{"product_id":"finnmark-fd-4-trinity-infrared-traditional-sauna","title":"Finnmark FD-4 Trinity Infrared \u0026 Steam Sauna | 2-Person | Cedar \u0026 Thermal Aspen","description":"\u003cstyle\u003e.fmfd4{--ink:#1A1410;--body:#463C33;--mut:#54493D;--accent:#96620A;--bright:#E8A33D;--dark:#171310;--sub:#54493D;--tint:#F7F1E6;--fill:#F0E9DB;--hl:#F6E7CB;--line:#DCCFB4;--warm:#DCCFB4;--edge:#CBBBA0;--rule:#DCCFB4;--r-lg:10px;--r-sm:10px;--r-xs:999px;--gut:20px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:var(--body);line-height:1.65;letter-spacing:normal;-webkit-font-smoothing:antialiased;background:#fff}.fmfd4 *{box-sizing:border-box}.fmfd4 .fmfd4-c img{margin:0 !important;border:0}.fmfd4 .fmfd4-c{max-width:1000px;margin:0 auto;padding:0 20px}.fmfd4 section{padding:52px 0}.fmfd4 section:first-of-type{padding-top:26px}.fmfd4 section.fmfd4-tinted{background:var(--tint)}.fmfd4 section + section.fmfd4-tinted,.fmfd4 section.fmfd4-tinted + 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a{min-height:44px;display:flex;flex-direction:column;justify-content:flex-end;padding-bottom:2px}}.rte .fmfd4 table th,.rte .fmfd4 table td{padding:11px var(--gut)}.fmfd4 .fmfd4-ladder th:last-child,.fmfd4 .fmfd4-ladder td:last-child{text-align:left;white-space:normal;overflow-wrap:anywhere}.fmfd4 .fmfd4-buy{align-items:start}.fmfd4 .fmfd4-buy li span a{display:inline-block;padding:16px 0;margin:-16px 0}.fmfd4 table.fmfd4-cmp td:first-child{position:sticky;left:0;z-index:1;background:#fff;box-shadow:inset 0 -1px 0 var(--rule),1px 0 0 var(--rule)}.fmfd4 table.fmfd4-cmp thead th:first-child{position:sticky;left:0;z-index:2;background:var(--fill)}@media screen and (max-width:560px){.fmfd4 .fmfd4-ladder td:last-child::before{content:\"Nameplate draw:\\00a0\";font-weight:700;color:var(--ink)}}@media screen and (max-width:480px){.fmfd4 table.fmfd4-spec th,.fmfd4 table.fmfd4-spec td{display:block;width:auto}.fmfd4 table.fmfd4-spec th{border-bottom:0;padding-bottom:0}}.fmfd4 .fmfd4-vid video{position:absolute;inset:0;width:100%;height:100%;display:block;border:0;background:var(--dark);object-fit:cover}.fmfd4 .fmfd4-vid video:focus-visible{outline:3px solid var(--bright);outline-offset:-3px}.fmfd4 .fmfd4-fig{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--edge);background:#fff}.fmfd4 .fmfd4-fig img{width:100%;height:auto;display:block;border:0;border-radius:0;box-shadow:none;mix-blend-mode:multiply}.fmfd4 .fmfd4-c\u003efigure{max-width:560px;margin-left:auto;margin-right:auto}\u003c\/style\u003e\n\u003cdiv class=\"fmfd4\"\u003e\n\u003c!-- ============ 01 ============ --\u003e\n\u003csection id=\"overview\"\u003e\n  \u003cdiv class=\"fmfd4-c\"\u003e\n    \u003cdetails class=\"fmfd4-disc\"\u003e\n      \u003csummary\u003eJump to \u003cspan class=\"fmfd4-ct\"\u003e14 sections\u003c\/span\u003e\u003c\/summary\u003e\n      \u003col\u003e\n        \u003cli\u003e\u003ca href=\"#overview\"\u003eOverview\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"#inside\"\u003eFit and the benches\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"#ready\"\u003eBefore you order\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"#built\"\u003eHow it is built\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"#power\"\u003eThe two circuits\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"#costs\"\u003eRunning cost\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"#crate\"\u003eWhat you get\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"#build\"\u003ePutting it together\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"#delivery\"\u003eDelivery day\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"#specs\"\u003eSpecifications\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"#compare\"\u003eCompare models\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"#reports\"\u003eEMF and certification\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"#faq\"\u003eBuyer questions\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"#order\"\u003eOrder\u003c\/a\u003e\u003c\/li\u003e\n      \u003c\/ol\u003e\n    \u003c\/details\u003e\n\n    \u003cp class=\"fmfd4-eyebrow\"\u003eThe short answer\u003c\/p\u003e\n    \u003ch2\u003eThe Finnmark FD-4 Trinity is a two person sauna with infrared panels and a real Harvia stove\u003c\/h2\u003e\n    \u003cp class=\"fmfd4-lead\"\u003eEverything below this model in the Finnmark range is infrared only. The Trinity adds a Harvia electric heater with stones, so the same cabin gives you a long low infrared session or a hot traditional one with steam when you pour water. That second heater is the whole product, and it is also the reason this sauna needs more than one circuit.\u003c\/p\u003e\n\n    \u003cdiv class=\"fmfd4-stat3\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"fmfd4-lbl\"\u003eThe room\u003c\/p\u003e\n        \u003cp class=\"fmfd4-big\"\u003e55 × 55 in\u003c\/p\u003e\n        \u003cp\u003e48.8 inches square and 83.1 tall, plus the 3 inches of clearance Finnmark asks for on every side and above. Ceiling 87 inches, which is the figure that rules out most basements.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"fmfd4-lbl\"\u003eThe fit\u003c\/p\u003e\n        \u003cp class=\"fmfd4-big\"\u003eTwo people\u003c\/p\u003e\n        \u003cp\u003eInside is 44.5 by 45.1 inches and 75.2 tall, on two tiers of cedar bench. Sit low for infrared, sit high for the steam.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"fmfd4-lbl\"\u003eThe power\u003c\/p\u003e\n        \u003cp class=\"fmfd4-big\"\u003eTwo circuits\u003c\/p\u003e\n        \u003cp\u003e120 volt, 15 amp, NEMA 5-15 for the infrared, and a separate circuit of its own for the Harvia. This is not a plug and play sauna.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ 02 ============ --\u003e\n\u003csection class=\"fmfd4-tinted\" id=\"inside\"\u003e\n  \u003cdiv class=\"fmfd4-c\"\u003e\n    \u003cp class=\"fmfd4-eyebrow\"\u003eFit\u003c\/p\u003e\n    \u003ch2\u003eInside the Finnmark FD-4 Trinity: two tiers of bench and 75.2 inches of headroom\u003c\/h2\u003e\n    \u003cp class=\"fmfd4-lead\"\u003eThe two tier bench is what tells you this cabin was built around a stove. Heat stratifies in a traditional sauna, so the upper bench is hotter than the lower one, and you choose.\u003c\/p\u003e\n    \u003cdiv class=\"fmfd4-pairup\"\u003e\n    \u003cdiv\u003e\n\u003cdiv class=\"fmfd4-tw\"\u003e\u003ctable class=\"fmfd4-spec\"\u003e\n      \u003ccaption\u003eInside the cabin\u003c\/caption\u003e\n      \u003ctr\u003e\n\u003cth\u003eInterior width\u003c\/th\u003e\n\u003ctd\u003e44.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eInterior depth\u003c\/th\u003e\n\u003ctd\u003e45.1 in\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr class=\"fmfd4-hl\"\u003e\n\u003cth\u003eInterior height\u003c\/th\u003e\n\u003ctd\u003e75.2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eUpper bench\u003c\/th\u003e\n\u003ctd\u003e44.5 in wide, 18.9 in deep\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eLower bench\u003c\/th\u003e\n\u003ctd\u003e44.5 in wide, 15.7 in deep\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eDoor glass\u003c\/th\u003e\n\u003ctd\u003e23.6 in wide, 68.9 in high, 8 mm tempered with a gasket\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eRoom volume\u003c\/th\u003e\n\u003ctd\u003e86 cubic feet\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003cp style=\"margin-top:24px\"\u003eSeventy five inches of interior height is nearly five more than the infrared only cabins, which is what makes the upper bench usable. The gasket on the door is there because this cabin holds steam, where the infrared models do not need to.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cfigure\u003e\u003cdiv class=\"fmfd4-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/04-finnmark-fd-4-trinity-infrared-traditional-sauna-interior-from-above.jpg?v=1791113999\u0026amp;width=1200\" alt=\"Looking down into the Finnmark FD-4 Trinity sauna at the two tier cedar bench and the Harvia stove with its stones\" width=\"721\" height=\"721\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eLooking down into the FD-4 Trinity. The Harvia sits in the corner with its stones; the cedar bench runs in two tiers.\u003c\/figcaption\u003e\u003c\/figure\u003e\n    \u003c\/div\u003e\n    \u003ch3\u003eWhere the heat comes from, and why this one is not full spectrum\u003c\/h3\u003e\n    \u003cp\u003eFinnmark's replacement parts list for the FD-4 names three Spectrum Plus Incoloy elements at 120 volts and 300 watts each, and no carbon panels at all. The infrared only cabins below it pair carbon with Spectrum Plus, which is what their spec sheets mean by full spectrum. Finnmark titles the FD-4 sheet a combination sauna instead, and the combination it means is infrared plus traditional, not two kinds of infrared.\u003c\/p\u003e\n    \u003cp\u003eThe traditional half is a Harvia electric heater with a bed of stones. Finnmark's spec sheet specifies a Harvia Vega Compact rated at 1.9 kilowatts. Pour water on the stones and you get steam, which no amount of infrared will give you.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ 03 ============ --\u003e\n\u003csection id=\"ready\"\u003e\n  \u003cdiv class=\"fmfd4-c\"\u003e\n    \u003cp class=\"fmfd4-eyebrow\"\u003eBefore you order\u003c\/p\u003e\n    \u003ch2\u003eFive checks before the Finnmark FD-4 Trinity ships\u003c\/h2\u003e\n    \u003cp class=\"fmfd4-lead\"\u003eThe ceiling and the second circuit are the two that catch people. Both are easier to answer now than after a pallet arrives.\u003c\/p\u003e\n    \u003cul class=\"fmfd4-chk\"\u003e\n      \u003cli\u003e\n\u003cb\u003eCeiling, with the clearance\u003c\/b\u003e\u003cspan\u003e83.1 inches tall plus 3 inches above it is 86.1, so plan on 87 inches, which is 7 feet 3. A standard 8 foot room is fine; a finished basement at 7 feet is not, and this is the check that rules the model out most often\u003c\/span\u003e\n\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eFloor, with the clearance\u003c\/b\u003e\u003cspan\u003eThe cabin is 48.8 inches square and Finnmark asks for 3 inches on every side, so plan 55 by 55\u003c\/span\u003e\n\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eThe route to the room\u003c\/b\u003e\u003cspan\u003eIt arrives flat on a pallet 80 by 36 by 52 inches. Measure the narrowest doorway or stair turn against the pallet, not the finished footprint\u003c\/span\u003e\n\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eTwo circuits, not one\u003c\/b\u003e\u003cspan\u003eA dedicated 120 volt 15 amp NEMA 5-15 for the infrared, and a separate circuit for the Harvia. Have an electrician read Finnmark's spec sheet before you order\u003c\/span\u003e\n\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eA solid, dry, indoor floor\u003c\/b\u003e\u003cspan\u003eFinnmark asks for a solid surface in a dry area. The removable feet adjust for floors that are not quite level\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cdiv class=\"fmfd4-warn\"\u003e\n\u003cstrong\u003eThis is an indoor sauna, in the manufacturer's own words.\u003c\/strong\u003e The manual says the cabin \"contains electronics and is intended for indoor use\", and that placing it outside without a cover will void the warranty. The manual also requires the cabin to stand free: it \"should not be built into any structure\", so it cannot be framed into an alcove or boxed in with joinery.\u003c\/div\u003e\n    \u003cp class=\"fmfd4-after\"\u003eIf a number is borderline, compare the cabin against the rest of the \u003ca href=\"\/collections\/finnmark\"\u003eFinnmark saunas\u003c\/a\u003e before you decide.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ 04 ============ --\u003e\n\u003csection class=\"fmfd4-tinted\" id=\"built\"\u003e\n  \u003cdiv class=\"fmfd4-c\"\u003e\n    \u003cp class=\"fmfd4-eyebrow\"\u003eConstruction\u003c\/p\u003e\n    \u003ch2\u003eThree things about the Finnmark FD-4 Trinity you cannot change later\u003c\/h2\u003e\n    \u003cp class=\"fmfd4-lead\"\u003eEverything else on a sauna is adjustable. These are set the day it is made.\u003c\/p\u003e\n    \u003ch3\u003eThe two timbers\u003c\/h3\u003e\n    \u003cp\u003eInside is Western Red Cedar, which Finnmark specifies for its resistance to mould, bacteria and fungus. Outside is Thermal Plus aspen, which Finnmark describes as treated with heat and steam. The cedar is the surface you sit against; the treated aspen is the shell that faces the room.\u003c\/p\u003e\n    \u003ch3\u003eThe stove, and the room built around it\u003c\/h3\u003e\n    \u003cp\u003eA cabin designed for a stove is not an infrared cabin with a stove added. The FD-4 is nearly five inches taller inside than the infrared only models, the bench runs in two tiers so you can choose your height in the heat, and the door glass carries a gasket. None of that can be retrofitted.\u003c\/p\u003e\n    \u003ch3\u003eThe emitters\u003c\/h3\u003e\n    \u003cp\u003eFinnmark warrants the Spectrum Plus elements for the life of the sauna. That is the longest term anywhere on the warranty sheet, and these are the parts that decide how a cabin ages.\u003c\/p\u003e\n    \u003cfigure\u003e\u003cdiv class=\"fmfd4-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/02-finnmark-fd-4-trinity-infrared-traditional-sauna-infrared-and-harvia-layout.jpg?v=1791113999\u0026amp;width=1200\" alt=\"Finnmark FD-4 Trinity layout diagram naming the Spectrum Carbon panels, the Spectrum Plus element and the Harvia traditional heater\" width=\"500\" height=\"500\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eFinnmark's own layout for the Trinity, naming the infrared panels and the Harvia stove in one diagram.\u003c\/figcaption\u003e\u003c\/figure\u003e\n    \u003cp class=\"fmfd4-after\"\u003eCompare it against the other \u003ca href=\"\/collections\/hybrid-saunas\"\u003ehybrid saunas\u003c\/a\u003e we carry, or against the \u003ca href=\"\/collections\/infrared-saunas\"\u003einfrared saunas\u003c\/a\u003e if the stove is not the point. Our \u003ca href=\"\/pages\/infrared-vs-traditional-sauna\"\u003einfrared or traditional sauna\u003c\/a\u003e guide covers what each kind of heat actually does.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ 05 ============ --\u003e\n\u003csection id=\"power\"\u003e\n  \u003cdiv class=\"fmfd4-c\"\u003e\n    \u003cp class=\"fmfd4-eyebrow\"\u003eThe decision that blocks the purchase\u003c\/p\u003e\n    \u003ch2\u003eWhat the Finnmark FD-4 Trinity asks of your electrical panel\u003c\/h2\u003e\n    \u003cp class=\"fmfd4-lead\"\u003eTwo heaters means two supplies. Any listing that calls this model plug and play is describing the infrared half and ignoring the stove.\u003c\/p\u003e\n    \u003cdiv class=\"fmfd4-tw\"\u003e\u003ctable class=\"fmfd4-spec\"\u003e\n      \u003ccaption\u003eElectrical, from the FD-4 manual, spec sheet and dimension drawing\u003c\/caption\u003e\n      \u003ctr class=\"fmfd4-hl\"\u003e\n\u003cth\u003eCircuits required\u003c\/th\u003e\n\u003ctd\u003eTwo. One for the infrared, one for the Harvia\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eInfrared voltage\u003c\/th\u003e\n\u003ctd\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eInfrared circuit\u003c\/th\u003e\n\u003ctd\u003eDedicated 15A, NEMA 5-15\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eInfrared power\u003c\/th\u003e\n\u003ctd\u003e1750 W, which is 14.6 amps, about 97 percent of a 15 amp breaker\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eTraditional heater\u003c\/th\u003e\n\u003ctd\u003eHarvia Vega Compact, 1.9 kW per the spec sheet, on a circuit of its own\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eSupply\u003c\/th\u003e\n\u003ctd\u003eInfrared power supply on top of the cabin, cord approximately 9 feet. The Harvia connects at floor level\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eCode\u003c\/th\u003e\n\u003ctd\u003eInstall per the National Electrical Code, ANSI\/NFPA 70. In Canada, per the applicable Canadian code\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003cp\u003eThe infrared side is settled: 120 volts, a dedicated 15 amp breaker, an ordinary three pin outlet, and at 14.6 amps that breaker has to be genuinely clear of anything else.\u003c\/p\u003e\n    \u003ch3\u003eThe Harvia circuit, and why we will not print a single figure for it\u003c\/h3\u003e\n    \u003cp\u003eFinnmark's three documents do not agree about the stove. The spec sheet gives the Harvia as 120 volts, 1.9 kilowatts and 20 amps. The dimension drawing names it a Harvia Vega Compact Pro and gives it as either 120 volts at 14.2 amps or 240 volts at 7.1 amps, which works out nearer 1.7 kilowatts, and the same drawing labels its receptacle \"120v 20a NEMA 6-15\", though a NEMA 6-15 is a 240 volt outlet rather than a 120 volt one.\u003c\/p\u003e\n    \u003cp\u003eWhat all three agree on is the part that matters to you: the Harvia needs a circuit of its own, and it can be wired at either 120 or 240 volts. Take the spec sheet and the drawing to your electrician and let them settle the configuration against your panel. We would rather hand you the conflict than invent a number that turns out wrong at the wall.\u003c\/p\u003e\n    \u003cdiv class=\"fmfd4-warn\"\u003e\n\u003cstrong\u003eA licensed electrician sizes and installs both circuits, not us and not the manual.\u003c\/strong\u003e Panel capacity, run length, continuous load rules and local permit requirements all change the job, and the manual requires the work to meet the National Electrical Code. Ask us and we will send you Finnmark's spec sheet and dimension drawing free, before you book anyone.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ 06 ============ --\u003e\n\u003csection class=\"fmfd4-tinted\" id=\"costs\"\u003e\n  \u003cdiv class=\"fmfd4-c\"\u003e\n    \u003cp class=\"fmfd4-eyebrow\"\u003eRunning cost\u003c\/p\u003e\n    \u003ch2\u003eWhat a Finnmark FD-4 Trinity session costs to run\u003c\/h2\u003e\n    \u003cp class=\"fmfd4-lead\"\u003eWorked at 1750 watts of infrared plus Finnmark's 1.9 kilowatt Harvia, so 3.65 kilowatts with both heaters running, and the US average residential rate of 18.34 cents per kilowatt hour, from the EIA Electric Power Monthly, June 2026. Your own rate is on your bill.\u003c\/p\u003e\n    \u003cdiv class=\"fmfd4-stat3\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"fmfd4-lbl\"\u003eOne hour, both heaters\u003c\/p\u003e\n        \u003cp class=\"fmfd4-big\"\u003e$0.67\u003c\/p\u003e\n        \u003cp\u003e3.65 kilowatts for one hour, at 18.34 cents. An infrared only session is 1.75 kilowatts, or $0.32 an hour.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"fmfd4-lbl\"\u003eA month\u003c\/p\u003e\n        \u003cp class=\"fmfd4-big\"\u003e$8.70\u003c\/p\u003e\n        \u003cp\u003eThree sessions a week, an hour each, about 13 hours a month, with both heaters on throughout.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"fmfd4-lbl\"\u003eA year\u003c\/p\u003e\n        \u003cp class=\"fmfd4-big\"\u003e$104\u003c\/p\u003e\n        \u003cp\u003eThe same three a week, every week. Roughly 156 hours.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery input is above, so redo it with your own rate: kilowatts times hours times cents. In practice both heaters rarely run flat out for a full hour, because each one cycles once the cabin reaches temperature.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ 07 ============ --\u003e\n\u003csection id=\"crate\"\u003e\n  \u003cdiv class=\"fmfd4-c\"\u003e\n    \u003cp class=\"fmfd4-eyebrow\"\u003eScope\u003c\/p\u003e\n    \u003ch2\u003eWhat arrives with the Finnmark FD-4 Trinity, and what it does not include\u003c\/h2\u003e\n    \u003cp class=\"fmfd4-lead\"\u003eThe Harvia stove is included. The stones, the circuits and the ladle are the things to check.\u003c\/p\u003e\n    \u003cdiv class=\"fmfd4-buy\"\u003e\n      \u003cdiv class=\"fmfd4-req\"\u003e\n\u003ch3\u003eRequired before it runs\u003c\/h3\u003e\n\u003cul\u003e\n        \u003cli\u003e\n\u003cb\u003eTwo circuits\u003c\/b\u003e\u003cspan\u003eA dedicated 120 volt 15 amp NEMA 5-15 for the infrared, and a separate circuit for the Harvia. An electrician's job\u003c\/span\u003e\n\u003c\/li\u003e\n        \u003cli\u003e\n\u003cb\u003eA second person\u003c\/b\u003e\u003cspan\u003eThe manual's own warning is that a minimum of two physically able people are required for installation\u003c\/span\u003e\n\u003c\/li\u003e\n        \u003cli\u003e\n\u003cb\u003eSauna stones for the Harvia\u003c\/b\u003e\u003cspan\u003eConfirm with us before you order whether your unit ships with stones, because a stove without them must not be run\u003c\/span\u003e\n\u003c\/li\u003e\n      \u003c\/ul\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"fmfd4-opt\"\u003e\n\u003ch3\u003eOptional\u003c\/h3\u003e\n\u003cul\u003e\n        \u003cli\u003e\n\u003cb\u003eProfessional setup and assembly\u003c\/b\u003e\u003cspan\u003eIf you would rather not build it yourself, see \u003ca href=\"\/pages\/white-glove-delivery-assembly\"\u003esetup and assembly\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n        \u003cli\u003e\n\u003cb\u003e\u003ca href=\"\/products\/finnmark-fd-4-trinity-sauna-cushion\"\u003eFinnmark FD-4 sauna cushion\u003c\/a\u003e\u003c\/b\u003e\u003cspan\u003eA fitted marine grade vinyl cushion for the bench\u003c\/span\u003e\n\u003c\/li\u003e\n        \u003cli\u003e\n\u003cb\u003e\u003ca href=\"\/products\/finnmark-fd-4-sauna-cover\"\u003eFinnmark FD-4 sauna cover\u003c\/a\u003e\u003c\/b\u003e\u003cspan\u003eA fitted marine grade cover. Finnmark describes it as limited weather protection, not an outdoor rating\u003c\/span\u003e\n\u003c\/li\u003e\n        \u003cli\u003e\n\u003cb\u003eA bucket and ladle\u003c\/b\u003e\u003cspan\u003eYou cannot raise steam without one, and Finnmark does not list one in the box\u003c\/span\u003e\n\u003c\/li\u003e\n      \u003c\/ul\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"fmfd4-tw\"\u003e\u003ctable class=\"fmfd4-spec\"\u003e\n      \u003ccaption\u003eIn the crate, from Finnmark's package contents list\u003c\/caption\u003e\n      \u003ctr\u003e\n\u003cth\u003ePanels\u003c\/th\u003e\n\u003ctd\u003eBottom, top, back, front, left, right\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eDoor\u003c\/th\u003e\n\u003ctd\u003eGlass door with gasket, and handle with screws\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eSeating\u003c\/th\u003e\n\u003ctd\u003eBench support, upper and lower bench tops\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr class=\"fmfd4-hl\"\u003e\n\u003cth\u003eHeating\u003c\/th\u003e\n\u003ctd\u003eSpectrum Plus infrared panels, Spectrum LED ceiling lights, and the Harvia traditional heater\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eControl\u003c\/th\u003e\n\u003ctd\u003eV2 LCD controller, 5 inch touchscreen with Bluetooth audio\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eElectrical\u003c\/th\u003e\n\u003ctd\u003ePower supply unit, power cable, heater cable, floor cable, interior heater connections with a wood cover\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eFixings\u003c\/th\u003e\n\u003ctd\u003eScrews, removable adjustable feet for uneven surfaces\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003ePaperwork\u003c\/th\u003e\n\u003ctd\u003eETL certification, limited warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003cp\u003eFreight to the lower 48 carries no delivery charge. Canada is quoted at a flat rate and Puerto Rico, Alaska and Hawaii are quoted case by case, so ask us before you order to either.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ 08 ============ --\u003e\n\u003csection class=\"fmfd4-tinted\" id=\"build\"\u003e\n  \u003cdiv class=\"fmfd4-c\"\u003e\n    \u003cp class=\"fmfd4-eyebrow\"\u003eSetup\u003c\/p\u003e\n    \u003ch2\u003eAssembling the Finnmark FD-4 Trinity\u003c\/h2\u003e\n    \u003cp class=\"fmfd4-lead\"\u003eIt arrives as panels and goes together without specialist tools, with one extra step the infrared cabins do not have.\u003c\/p\u003e\n    \u003cp\u003eThe manual's tool list is a screwdriver and a level. Panels lock to each other and are fixed with two screw lengths Finnmark supplies. The order is back panel, left side, bench support, right side, then the front wall and the top. The manual notes that the interior and exterior receptacles on the right panel are not used during assembly.\u003c\/p\u003e\n    \u003cp\u003eStep five on this model is the Harvia heater installation, which the infrared cabins do not have, and it is the step where the second circuit has to already exist. Finnmark's own warning is blunt: a minimum of two physically able individuals are required, and the manual says in capitals not to attempt the install without proper professionals or without proper tools and safety equipment. At 437 pounds of panels plus a stove, this is a model where paying for assembly is worth pricing. We do not publish an assembly time, because Finnmark does not state one.\u003c\/p\u003e\n    \u003ch3\u003eBefore the first session\u003c\/h3\u003e\n    \u003cp\u003eWipe the inside down with a damp cloth to clear any sawdust. Then run the cabin to burn off factory dust before anyone uses it. Check the Harvia's stones are in place and loosely stacked so air can move through them before you switch the stove on for the first time. The serial number plate, which you will want if you ever make a warranty claim, sits underneath the bench.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ 09 ============ --\u003e\n\u003csection id=\"delivery\"\u003e\n  \u003cdiv class=\"fmfd4-c\"\u003e\n    \u003cp class=\"fmfd4-eyebrow\"\u003eDelivery day\u003c\/p\u003e\n    \u003ch2\u003eWhat to check when your Finnmark FD-4 Trinity is delivered\u003c\/h2\u003e\n    \u003cp class=\"fmfd4-lead\"\u003eIt moves by freight at 485 pounds and comes off the truck at the curb. Ten minutes of checking there is the difference between a replacement panel and an argument.\u003c\/p\u003e\n    \u003cdiv class=\"fmfd4-reportgrid\"\u003e\n      \u003cdiv\u003e\n\u003cp class=\"fmfd4-rl\"\u003eBefore delivery\u003c\/p\u003e\n\u003cp\u003eHave both circuits finished and your second person booked for the day itself, not for the week after.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003cdiv\u003e\n\u003cp class=\"fmfd4-rl\"\u003eAt the truck\u003c\/p\u003e\n\u003cp\u003eWalk around the pallet before you sign. Photograph any crushed corner, tear or water mark, and write what you see on the delivery paperwork before you sign.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003cdiv\u003e\n\u003cp class=\"fmfd4-rl\"\u003eBefore you build\u003c\/p\u003e\n\u003cp\u003eOpen the crate and check the glass door, each panel face and the stove while the packaging is still there, and tell us straight away if anything is marked. Our \u003ca href=\"\/policies\/refund-policy\"\u003ereturn policy\u003c\/a\u003e sets out how long you have.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"fmfd4-warn\"\u003e\n\u003cstrong\u003eIf a panel, the glass or the stove is visibly damaged, note it on the paperwork before the driver leaves and call us on \u003ca href=\"tel:+18885005675\"\u003e(888) 500-5675\u003c\/a\u003e while they are still there.\u003c\/strong\u003e We would far rather sort it out at the curb than after the truck has gone.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ 10 ============ --\u003e\n\u003csection class=\"fmfd4-tinted\" id=\"specs\"\u003e\n  \u003cdiv class=\"fmfd4-c\"\u003e\n    \u003cp class=\"fmfd4-eyebrow\"\u003eReference\u003c\/p\u003e\n    \u003ch2\u003eFinnmark FD-4 Trinity infrared and traditional sauna specifications\u003c\/h2\u003e\n    \u003cdiv class=\"fmfd4-tw\"\u003e\u003ctable class=\"fmfd4-spec fmfd4-keyspec\"\u003e\n      \u003ccaption\u003eKey specification\u003c\/caption\u003e\n      \u003ctr class=\"fmfd4-hl\"\u003e\n\u003cth\u003eCapacity\u003c\/th\u003e\n\u003ctd\u003e2 person\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eExterior\u003c\/th\u003e\n\u003ctd\u003e48.8 in W x 48.8 in D x 83.1 in H\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eInterior\u003c\/th\u003e\n\u003ctd\u003e44.5 in W x 45.1 in D x 75.2 in H\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr class=\"fmfd4-hl\"\u003e\n\u003cth\u003eElectrical\u003c\/th\u003e\n\u003ctd\u003eTwo circuits. Infrared 120 VAC, 1750 W, dedicated 15A, NEMA 5-15. Harvia on its own circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eHeaters\u003c\/th\u003e\n\u003ctd\u003eThree Spectrum Plus Incoloy elements, plus a Harvia Vega Compact traditional stove\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eSteam\u003c\/th\u003e\n\u003ctd\u003eYes, from the Harvia's stones. The infrared only models cannot do this\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003cdetails class=\"fmfd4-more\"\u003e\n      \u003csummary\u003eFull specification tables\u003c\/summary\u003e\n      \u003cdiv class=\"fmfd4-tw\"\u003e\u003ctable class=\"fmfd4-spec\"\u003e\n        \u003ccaption\u003eDimensions and weight\u003c\/caption\u003e\n        \u003ctr\u003e\n\u003cth\u003eUpper bench\u003c\/th\u003e\n\u003ctd\u003e44.5 in W x 18.9 in D\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eLower bench\u003c\/th\u003e\n\u003ctd\u003e44.5 in W x 15.7 in D\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eDoor glass\u003c\/th\u003e\n\u003ctd\u003e23.6 in W x 68.9 in H, 8 mm tempered with a gasket\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eRoom volume\u003c\/th\u003e\n\u003ctd\u003e86 cubic feet\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eClearance required\u003c\/th\u003e\n\u003ctd\u003e3 in minimum, top and all sides\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"fmfd4-hl\"\u003e\n\u003cth\u003eCeiling required\u003c\/th\u003e\n\u003ctd\u003e87 in, which is 7 ft 3\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eProduct weight\u003c\/th\u003e\n\u003ctd\u003e437 lb (198.22 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eShipping weight\u003c\/th\u003e\n\u003ctd\u003e485 lb (219.99 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePallet\u003c\/th\u003e\n\u003ctd\u003e80 in x 36 in x 52 in\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePlacement\u003c\/th\u003e\n\u003ctd\u003eIndoor, freestanding, solid dry floor\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\u003c\/div\u003e\n      \u003cdiv class=\"fmfd4-tw\"\u003e\u003ctable class=\"fmfd4-spec\"\u003e\n        \u003ccaption\u003eConstruction and heating\u003c\/caption\u003e\n        \u003ctr\u003e\n\u003cth\u003eInterior wood\u003c\/th\u003e\n\u003ctd\u003eWestern Red Cedar\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eExterior wood\u003c\/th\u003e\n\u003ctd\u003eThermal Plus aspen, heat and steam treated\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eInfrared emitters\u003c\/th\u003e\n\u003ctd\u003eThree Spectrum Plus Incoloy, 120V, 300W each. No carbon panels\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTraditional heater\u003c\/th\u003e\n\u003ctd\u003eHarvia Vega Compact, 1.9 kW per Finnmark's spec sheet\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eBench\u003c\/th\u003e\n\u003ctd\u003eTwo tier Canadian cedar\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eLighting\u003c\/th\u003e\n\u003ctd\u003eSpectrum LED with colour chromotherapy. Finnmark specifies a 650 nm red setting\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eGlass\u003c\/th\u003e\n\u003ctd\u003e8 mm tempered with a gasket\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eControl\u003c\/th\u003e\n\u003ctd\u003eV2 LCD controller, 5 in touchscreen, Bluetooth audio\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaximum temperature\u003c\/th\u003e\n\u003ctd\u003e170 F on the infrared side\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\u003c\/div\u003e\n      \u003cdiv class=\"fmfd4-tw\"\u003e\u003ctable class=\"fmfd4-spec\"\u003e\n        \u003ccaption\u003ePower, certification, warranty and delivery\u003c\/caption\u003e\n        \u003ctr\u003e\n\u003cth\u003eInfrared voltage\u003c\/th\u003e\n\u003ctd\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eInfrared power\u003c\/th\u003e\n\u003ctd\u003e1750 W. 14.6 amps, about 97 percent of a 15 amp breaker\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eInfrared circuit\u003c\/th\u003e\n\u003ctd\u003eDedicated 15A, NEMA 5-15\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eHarvia circuit\u003c\/th\u003e\n\u003ctd\u003eIts own circuit. Finnmark's documents give either 120 V or 240 V; your electrician settles it\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eModel and part\u003c\/th\u003e\n\u003ctd\u003eFD-4, part number FD-KN004\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCertification\u003c\/th\u003e\n\u003ctd\u003eETL Listed to UL-875, and cETL to CAN\/CSA-C22.2 No. 164. The FD-4 is named on both certificates\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWarranty, home use\u003c\/th\u003e\n\u003ctd\u003eLifetime on the Spectrum Plus elements, 10 years on the cabin, the controls and the LED, 1 year on the remote. The sheet's preamble limits cover to residential use, and states terms can be changed on a quote or invoice. We will send you the full warranty document free on request\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eDelivery\u003c\/th\u003e\n\u003ctd\u003eFreight, no delivery charge to the lower 48. Canada quoted flat, PR, AK and HI by quote\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAssembly\u003c\/th\u003e\n\u003ctd\u003eScrewdriver and level. Two people minimum. Finnmark publishes no assembly time\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ 11 ============ --\u003e\n\u003csection id=\"compare\"\u003e\n  \u003cdiv class=\"fmfd4-c\"\u003e\n    \u003cp class=\"fmfd4-eyebrow\"\u003eThe range\u003c\/p\u003e\n    \u003ch2\u003eThe Finnmark FD-4 Trinity against the rest of the Finnmark indoor rooms\u003c\/h2\u003e\n    \u003cp class=\"fmfd4-lead\"\u003eThree infrared only cabins, then the two Trinity models. The line that matters is the stove, not the size.\u003c\/p\u003e\n    \u003cdiv class=\"fmfd4-tw fmfd4-tw--scroll\"\u003e\u003ctable class=\"fmfd4-cmp\"\u003e\n      \u003cthead\u003e\u003ctr\u003e\n        \u003cth\u003e\u003c\/th\u003e\n        \u003cth\u003e\n\u003cspan class=\"fmfd4-cmp-h\"\u003eFinnmark\u003c\/span\u003e\u003cspan class=\"fmfd4-cmp-m\"\u003eFD-1\u003c\/span\u003e\n\u003c\/th\u003e\n        \u003cth\u003e\n\u003cspan class=\"fmfd4-cmp-h\"\u003eFinnmark\u003c\/span\u003e\u003cspan class=\"fmfd4-cmp-m\"\u003eFD-2\u003c\/span\u003e\n\u003c\/th\u003e\n        \u003cth\u003e\n\u003cspan class=\"fmfd4-cmp-h\"\u003eFinnmark\u003c\/span\u003e\u003cspan class=\"fmfd4-cmp-m\"\u003eFD-3\u003c\/span\u003e\n\u003c\/th\u003e\n        \u003cth class=\"fmfd4-me\"\u003e\n\u003cspan class=\"fmfd4-cmp-h\"\u003eFinnmark\u003c\/span\u003e\u003cspan class=\"fmfd4-cmp-m\"\u003eFD-4\u003c\/span\u003e\u003cspan class=\"fmfd4-cmp-here\"\u003eYou are here\u003c\/span\u003e\n\u003c\/th\u003e\n        \u003cth\u003e\n\u003cspan class=\"fmfd4-cmp-h\"\u003eFinnmark\u003c\/span\u003e\u003cspan class=\"fmfd4-cmp-m\"\u003eFD-5\u003c\/span\u003e\n\u003c\/th\u003e\n      \u003c\/tr\u003e\u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e1 person\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e3 to 4\u003c\/td\u003e\n\u003ctd class=\"fmfd4-me\"\u003e2 person\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e37 in\u003c\/td\u003e\n\u003ctd\u003e48\u003c\/td\u003e\n\u003ctd\u003e72\u003c\/td\u003e\n\u003ctd class=\"fmfd4-me\"\u003e48.8 in\u003c\/td\u003e\n\u003ctd\u003e75\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e37.8 in\u003c\/td\u003e\n\u003ctd\u003e43.5\u003c\/td\u003e\n\u003ctd\u003e46\u003c\/td\u003e\n\u003ctd class=\"fmfd4-me\"\u003e48.8 in\u003c\/td\u003e\n\u003ctd\u003e64\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e78.3 in\u003c\/td\u003e\n\u003ctd\u003e78.3\u003c\/td\u003e\n\u003ctd\u003e78.3\u003c\/td\u003e\n\u003ctd class=\"fmfd4-me\"\u003e83.1 in\u003c\/td\u003e\n\u003ctd\u003e84\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eBench tiers\u003c\/td\u003e\n\u003ctd\u003eOne\u003c\/td\u003e\n\u003ctd\u003eOne\u003c\/td\u003e\n\u003ctd\u003eOne\u003c\/td\u003e\n\u003ctd class=\"fmfd4-me\"\u003eTwo\u003c\/td\u003e\n\u003ctd\u003eTwo\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCarbon panels\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd class=\"fmfd4-me\"\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"fmfd4-hl\"\u003e\n\u003ctd\u003eTraditional stove\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd class=\"fmfd4-me\"\u003eHarvia 1.9 kW\u003c\/td\u003e\n\u003ctd\u003eHarvia 4.5 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eSteam\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd class=\"fmfd4-me\"\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eInfrared voltage\u003c\/td\u003e\n\u003ctd\u003e120 V\u003c\/td\u003e\n\u003ctd\u003e120\u003c\/td\u003e\n\u003ctd\u003e240\u003c\/td\u003e\n\u003ctd class=\"fmfd4-me\"\u003e120 V\u003c\/td\u003e\n\u003ctd\u003e240\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCircuits\u003c\/td\u003e\n\u003ctd\u003eOne\u003c\/td\u003e\n\u003ctd\u003eOne\u003c\/td\u003e\n\u003ctd\u003eOne\u003c\/td\u003e\n\u003ctd class=\"fmfd4-me\"\u003eTwo\u003c\/td\u003e\n\u003ctd\u003eTwo\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eShipping weight\u003c\/td\u003e\n\u003ctd\u003e349 lb\u003c\/td\u003e\n\u003ctd\u003e441\u003c\/td\u003e\n\u003ctd\u003e536\u003c\/td\u003e\n\u003ctd class=\"fmfd4-me\"\u003e485 lb\u003c\/td\u003e\n\u003ctd\u003e654\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003cp\u003ePick the FD-4 when you want both kinds of heat in a two person footprint and have the ceiling for it. If the stove is not the point, the \u003ca href=\"\/products\/finnmark-fd-2-full-spectrum-infrared-sauna\"\u003eFinnmark FD-2\u003c\/a\u003e seats the same two people on one household circuit, in a cabin nearly five inches shorter. If four people need the steam, that is the Trinity XL. The infrared only \u003ca href=\"\/products\/finnmark-fd-3-full-spectrum-infrared-sauna\"\u003eFinnmark FD-3\u003c\/a\u003e seats three to four for less, on a single 240 volt line.\u003c\/p\u003e\n    \u003cp class=\"fmfd4-after\"\u003eThe stove inside this cabin is one we stock on its own: the \u003ca href=\"\/products\/harvia-vega-compact-1900-1-9kw-electric-sauna-heater\"\u003eHarvia Vega Compact 1900\u003c\/a\u003e.\u003c\/p\u003e\n    \u003cp class=\"fmfd4-after\"\u003eThe rest of the range: \u003ca href=\"\/products\/finnmark-fd-1-full-spectrum-infrared-sauna\"\u003eFinnmark FD-1\u003c\/a\u003e, \u003ca href=\"\/products\/finnmark-fd-5-trinity-xl-infrared-traditional-sauna\"\u003eFinnmark FD-5 Trinity XL\u003c\/a\u003e, \u003ca href=\"\/products\/finnmark-soulcold-cold-hot-plunge-tub\"\u003eFinnmark SoulCold\u003c\/a\u003e.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ 12 ============ --\u003e\n\u003csection class=\"fmfd4-tinted\" id=\"reports\"\u003e\n  \u003cdiv class=\"fmfd4-c\"\u003e\n    \u003cp class=\"fmfd4-eyebrow\"\u003eEvidence\u003c\/p\u003e\n    \u003ch2\u003eThe Finnmark FD-4 low EMF reading, and what the certificates say\u003c\/h2\u003e\n    \u003cp class=\"fmfd4-lead\"\u003eTwo documents on this sauna are worth reading in full. Here is what each actually says.\u003c\/p\u003e\n    \u003ch3\u003eThe low EMF survey, in full\u003c\/h3\u003e\n    \u003cp\u003eA third party laboratory in Tempe, Arizona measured Finnmark's Spectrum+ heaters in December 2019 under project PR108242, at three positions on each heater. With everything switched off, the room itself read 0.5304 milligauss. Running, the readings ran from 0.6881 milligauss up to a maximum of 1.1708 milligauss at the third position. So the heater added between 0.2 and 0.64 milligauss over what the room was already producing. The laboratory describes every result as magnitudes lower than the ICNIRP Occupational 2010 test limit.\u003c\/p\u003e\n    \u003cp\u003eThe 1.1708 maximum is the laboratory's own headline figure, from position three; position one at 100 Hz read 0.7328. Three caveats: the limit is the occupational one rather than the general public one, the survey tested heaters rather than an assembled cabin, and pages four and six of the log name the customer as Influence Sauna rather than Finnmark Designs. The survey covers the Spectrum+ elements, which are the only infrared emitters in this cabin.\u003c\/p\u003e\n    \u003ch3\u003eWhat the certificates actually say\u003c\/h3\u003e\n    \u003cp\u003eThe FD-4 is named on both Intertek certificates we hold, as ETL Listed to UL-875 and cETL to CAN\/CSA-C22.2 No. 164. Those two certificates name the FD-1, FD-2, FD-3 and FD-4 and no others, which is why we do not call the FD-5, FD-6 or FD-7 listed. The Harvia stove carries its own ETL listing, named on Finnmark's dimension drawing. Separately, Finnmark identifies its Spectrum Plus elements as UL component recognised under file E65554, which covers sheathed heating elements as a component rather than a finished sauna. That record names the tradename BKR, not Finnmark and not Spectrum Plus. We do not describe any Finnmark cabin as a UL listed sauna, because that is not what that record says.\u003c\/p\u003e\n    \u003ch3\u003eWhat we do not have\u003c\/h3\u003e\n    \u003cp\u003eNo owner reviews of our own yet, because this is a new listing for us, and no independent test of a finished FD-4 cabin as opposed to its heaters. Finnmark publishes a logged heat-up run for the two person FD-2 but not for this model, and none at all for the traditional side.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ 13 ============ --\u003e\n\u003csection id=\"faq\"\u003e\n  \u003cdiv class=\"fmfd4-c\"\u003e\n    \u003cp class=\"fmfd4-eyebrow\"\u003eBuyer questions\u003c\/p\u003e\n    \u003ch2\u003eFinnmark FD-4 Trinity, questions buyers ask before ordering\u003c\/h2\u003e\n    \u003cdiv class=\"fmfd4-faq\"\u003e\n    \u003cdetails\u003e\u003csummary\u003eCan the Finnmark FD-4 Trinity plug into a normal outlet?\u003c\/summary\u003e\u003cdiv class=\"fmfd4-fb\"\u003e\n      \u003cp\u003eThe infrared half can: a NEMA 5-15 at 120 volts, on a dedicated 15 amp circuit with nothing else on it. The Harvia stove needs a second circuit of its own, so taken as a whole this is not a plug and play sauna, whatever a listing elsewhere says. Finnmark's documents give the stove as either 120 or 240 volts, so have an electrician read the spec sheet and settle it against your panel before you order.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eIs the Finnmark FD-4 Trinity a full spectrum sauna?\u003c\/summary\u003e\u003cdiv class=\"fmfd4-fb\"\u003e\n      \u003cp\u003eNo, and Finnmark does not call it one. Its replacement parts list names three Spectrum Plus Incoloy elements and no carbon panels, and Finnmark titles the spec sheet a combination sauna rather than a full spectrum sauna. The combination it means is infrared plus traditional heat. For carbon and Spectrum Plus in the same cabin you want the FD-1, FD-2 or FD-3.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eDoes the Finnmark FD-4 Trinity make steam?\u003c\/summary\u003e\u003cdiv class=\"fmfd4-fb\"\u003e\n      \u003cp\u003eYes. The Harvia is a traditional electric stove with a bed of stones, so pouring water on the stones raises steam exactly as it would in a Finnish sauna. That is the whole reason to choose a Trinity over an infrared cabin. You will want a bucket and ladle, which Finnmark does not list in the box. The door glass carries a gasket on this model because the cabin is built to hold that steam.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eWhat ceiling height does the Finnmark FD-4 Trinity need?\u003c\/summary\u003e\u003cdiv class=\"fmfd4-fb\"\u003e\n      \u003cp\u003e87 inches, which is 7 feet 3. The cabin is 83.1 inches tall and the manual asks for 3 inches of clearance above it. A standard 8 foot room is fine. A finished basement at 7 feet is not, and this is the check that rules the model out most often, so measure to the lowest thing above the spot, including ducting and joists.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eCan I put the Finnmark FD-4 Trinity outside or on a covered porch?\u003c\/summary\u003e\u003cdiv class=\"fmfd4-fb\"\u003e\n      \u003cp\u003eIt is built as an indoor sauna. The manual says the cabin contains electronics and is intended for indoor use, and that placing it outside without a cover will void the warranty. Finnmark's fitted cover is described as limited weather protection, not full protection. A basement, garage, spare bedroom or new extension suits it, provided the ceiling clears 87 inches. For a covered porch, call us first.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eWhy does the Finnmark FD-4 Trinity have two benches?\u003c\/summary\u003e\u003cdiv class=\"fmfd4-fb\"\u003e\n      \u003cp\u003eBecause heat stratifies once there is a stove in the room. The air at head height on the upper bench is considerably hotter than the air at the lower one, so two tiers let you choose your intensity without changing the setting. The upper bench is 44.5 by 18.9 inches and the lower is 44.5 by 15.7. The infrared only models have one bench because infrared heats you rather than the air.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eWhat is the warranty on the Finnmark FD-4 Trinity?\u003c\/summary\u003e\u003cdiv class=\"fmfd4-fb\"\u003e\n      \u003cp\u003eLifetime on the Spectrum Plus elements, ten years on the cabin, the controls and the LED lighting, one year on the remote, and nothing on parts not fitted at the factory. The full terms, including the residential use condition, are in the specification table above. Ask us and we will send you the warranty document free before you buy.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eHow is the Finnmark FD-4 Trinity delivered, and will it fit through my door?\u003c\/summary\u003e\u003cdiv class=\"fmfd4-fb\"\u003e\n      \u003cp\u003eBy freight, with no delivery charge to the lower 48, as flat panels on a pallet 80 by 36 by 52 inches. That pallet is the measurement that matters for a stair turn, not the 48.8 inch finished width. The driver brings it to the curb at 485 pounds, so plan a second pair of hands and somewhere flat and dry to stage it. Canada is a flat quote; Puerto Rico, Alaska and Hawaii are quoted case by case.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eAm I buying from an authorized Finnmark dealer?\u003c\/summary\u003e\u003cdiv class=\"fmfd4-fb\"\u003e\n      \u003cp\u003eYes. Recovery Room Direct is a factory authorized Finnmark Designs dealer, so your FD-4 carries the full factory warranty rather than a reseller term. It also means the specification here comes from the manufacturer's own documents rather than from copied listings, which is why this page tells you where those documents disagree. Finnmark sets a minimum advertised price and enforces it, so if you find an authorized dealer advertising below it, our \u003ca href=\"\/pages\/price-match-guarantee\"\u003eprice match\u003c\/a\u003e covers it.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ 14 ============ --\u003e\n\u003cdiv class=\"fmfd4-close\" id=\"order\"\u003e\n  \u003cdiv class=\"fmfd4-c\"\u003e\n    \u003cp class=\"fmfd4-eyebrow\" style=\"color:#E8A33D\"\u003eOne last thing\u003c\/p\u003e\n    \u003ch2\u003eBefore you order the Finnmark FD-4 Trinity: the 87 inch ceiling and the second circuit\u003c\/h2\u003e\n    \u003cp\u003eOne measurement and two circuits decide this purchase. Tell us your ceiling height and what your panel has spare, and we will tell you whether the Trinity works in that room or whether an infrared cabin suits it better.\u003c\/p\u003e\n    \u003cdiv class=\"fmfd4-who\"\u003e\n      \u003cimg class=\"fmfd4-av\" src=\"https:\/\/recoveryroomdirect.com\/cdn\/shop\/files\/recovery_room_direct_specialist_customer_service.png?v=178611576\u0026amp;width=128\" alt=\"Recovery Room Direct sauna specialist\" width=\"128\" height=\"128\"\u003e\n      \u003cp\u003e\u003cb\u003eChaddy\u003c\/b\u003e\u003cspan\u003eSauna specialist\u003c\/span\u003e\u003cspan\u003eMon to Sat, 9am to 6pm ET\u003c\/span\u003e\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003ca class=\"fmfd4-btn\" href=\"tel:+18885005675\"\u003eCall (888) 500-5675\u003c\/a\u003e\n    \u003ca class=\"fmfd4-up\" href=\"#MainContent\"\u003eReady to order? Scroll up to add to cart ↑\u003c\/a\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Finnmark Designs","offers":[{"title":"Default Title","offer_id":67661169590639,"sku":"FD-KN004","price":7795.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/01-finnmark-fd-4-trinity-infrared-traditional-sauna-hero.jpg?v=1791114000","url":"https:\/\/recoveryroomdirect.com\/products\/finnmark-fd-4-trinity-infrared-traditional-sauna","provider":"Recovery Room Direct","version":"1.0","type":"link"}