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(max-width:480px){.srcharleston .srcharleston-c\u003e.srcharleston-tw\u003etable.srcharleston-spec th{width:auto}}@media screen and (max-width:480px){.srcharleston .srcharleston-dims table.srcharleston-spec th,.srcharleston .srcharleston-dims table.srcharleston-spec td{display:table-cell}.srcharleston .srcharleston-dims table.srcharleston-spec th{width:42%;border-bottom:1px solid var(--rule);padding-bottom:11px}.srcharleston .srcharleston-dims table.srcharleston-spec tr:last-child th{border-bottom:0}}.srcharleston .srcharleston-c\u003e.srcharleston-tw + p{margin-top:16px}.srcharleston .srcharleston-pairup\u003e.srcharleston-tw\u003etable.srcharleston-spec th{width:36%}.srcharleston .srcharleston-pairup:has(\u003e.srcharleston-tw)\u003efigure{align-self:center}@media screen and (max-width:560px){.srcharleston table.srcharleston-cmp{min-width:0}}@media screen and (max-width:480px){.srcharleston .srcharleston-pairup\u003e.srcharleston-tw\u003etable.srcharleston-spec th{width:auto}.srcharleston .srcharleston-dims table.srcharleston-spec th{width:36%}}.srcharleston table.srcharleston-cmp caption{caption-side:bottom;background:none;border:0;padding:10px 0 0;font-size:13.5px;font-weight:400;letter-spacing:0;text-transform:none;color:var(--sub);text-align:left}.srcharleston .srcharleston-vid video{position:absolute;inset:0;width:100%;height:100%;display:block;border:0;background:var(--dark);object-fit:cover}.srcharleston .srcharleston-vid video:focus-visible{outline:3px solid var(--bright);outline-offset:-3px}.srcharleston .srcharleston-fig{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--edge);background:#fff}.srcharleston .srcharleston-fig img{width:100%;height:auto;display:block;border:0;border-radius:0;box-shadow:none;mix-blend-mode:multiply}.srcharleston .srcharleston-c\u003efigure{max-width:560px;margin-left:auto;margin-right:auto}\u003c\/style\u003e\n\u003cdiv class=\"srcharleston\"\u003e\n\u003c!-- ============ 01 ============ --\u003e\n\u003csection id=\"overview\"\u003e\n  \u003cdiv class=\"srcharleston-c\"\u003e\n    \u003cdetails class=\"srcharleston-disc\"\u003e\n      \u003csummary\u003eJump to \u003cspan class=\"srcharleston-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=\"#watch\"\u003eWatch\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"#fit\"\u003eFit and the benches\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"#heat\"\u003eThe heater\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"#build\"\u003eHow it is built\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=\"#costs\"\u003eRunning cost\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"#box\"\u003eWhat you get\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"#assembly\"\u003eAssembly\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=\"#warranty\"\u003eWarranty\u003c\/a\u003e\u003c\/li\u003e\n        \u003cli\u003e\u003ca href=\"#faq\"\u003eBuyer questions\u003c\/a\u003e\u003c\/li\u003e\n      \u003c\/ol\u003e\n    \u003c\/details\u003e\n\n    \u003cp class=\"srcharleston-eyebrow\"\u003eThe short answer\u003c\/p\u003e\n    \u003ch2\u003eThe SunRay Charleston is a 4 person cedar indoor traditional sauna with two bench tiers\u003c\/h2\u003e\n    \u003cp class=\"srcharleston-lead\"\u003eThe Charleston (SunRay model 400TN) is the four seat cabin in the same SunRay series as the Aston and the Hampton: cedar, 71 inches wide by 63 deep, with an upper and a lower bench and a 6 kW Harvia electric heater. The heater's stones take water from the included ladle, so every session can be dry, steamy or anywhere between.\u003c\/p\u003e\n    \u003cp\u003eIt is built for a family or a group of friends who sauna together, with enough bench that SunRay says two people can stretch out when it is not full. Compare it across brands among our \u003ca href=\"\/collections\/traditional-saunas\"\u003etraditional saunas\u003c\/a\u003e.\u003c\/p\u003e\n\n    \u003cdiv class=\"srcharleston-stat3\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"srcharleston-lbl\"\u003eCapacity\u003c\/p\u003e\n        \u003cp class=\"srcharleston-big\"\u003eFour on two tiers\u003c\/p\u003e\n        \u003cp\u003eUpper and lower benches with backrests: sit high for more heat, low for less.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"srcharleston-lbl\"\u003eInterior\u003c\/p\u003e\n        \u003cp class=\"srcharleston-big\"\u003eThe most room inside\u003c\/p\u003e\n        \u003cp\u003e67 by 59 inches, the largest interior floor of any SunRay indoor traditional cabin.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"srcharleston-lbl\"\u003eWood and steam\u003c\/p\u003e\n        \u003cp class=\"srcharleston-big\"\u003eA cedar steam room\u003c\/p\u003e\n        \u003cp\u003eA cedar cabin around a Harvia heater with stones you ladle water onto.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ watch ============ --\u003e\n\u003csection class=\"srcharleston-tinted\" id=\"watch\"\u003e\n  \u003cdiv class=\"srcharleston-c\"\u003e\n    \u003cdiv class=\"srcharleston-vidrow\"\u003e\n      \u003cdiv class=\"srcharleston-vid\" style=\"--arn:1.7778\"\u003e\u003cvideo controls preload=\"none\" playsinline poster=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/drive_slides_charleston_trim_silent.jpg?v=1792995254\u0026amp;width=700\" aria-label=\"SunRay Charleston sauna, video by SunRay\"\u003e\u003csource src=\"https:\/\/cdn.shopify.com\/videos\/c\/vp\/4862bded96b14ceaa96b1dfdba6dbded\/4862bded96b14ceaa96b1dfdba6dbded.HD-1080p-3.3Mbps-98884679.mp4\" type=\"video\/mp4\"\u003e\u003c\/video\u003e\u003c\/div\u003e\n      \u003cdiv class=\"srcharleston-vidbody\"\u003e\n        \u003cp class=\"srcharleston-eyebrow\"\u003eWatch\u003c\/p\u003e\n        \u003ch2\u003eThe SunRay Charleston 4 person indoor sauna in pictures\u003c\/h2\u003e\n        \u003cp class=\"srcharleston-lead\"\u003eSunRay's own photos of the Charleston, run as a short slideshow.\u003c\/p\u003e\n        \u003cp\u003eIt starts on the two panel glass front, then shows the back wall with its backrest boards and ceiling light, the vent slots in the ceiling, the bucket and ladle on the bench, the door handle, the two levels of benches and the Harvia heater in its guard, and ends on the cabin against a white background.\u003c\/p\u003e\n        \u003cp class=\"srcharleston-vidmeta\"\u003e\u003cspan\u003e0:55\u003c\/span\u003e\u003cspan\u003eSlideshow of SunRay photos\u003c\/span\u003e\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ 03 ============ --\u003e\n\u003csection id=\"fit\"\u003e\n  \u003cdiv class=\"srcharleston-c\"\u003e\n    \u003cp class=\"srcharleston-eyebrow\"\u003eFit\u003c\/p\u003e\n    \u003ch2\u003eSunRay Charleston 4 person sauna dimensions and space\u003c\/h2\u003e\n    \u003cp class=\"srcharleston-lead\"\u003eA footprint of 71 by 63 inches, 80 inches tall, and an interior of 67 by 59 inches with 72 inches of headroom.\u003c\/p\u003e\n    \u003cdiv class=\"srcharleston-dims srcharleston-pairup\"\u003e\n    \u003cdiv\u003e\n      \u003cdiv class=\"srcharleston-tw\"\u003e\u003ctable class=\"srcharleston-spec\"\u003e\n        \u003ccaption\u003eOutside the Charleston\u003c\/caption\u003e\n        \u003ctr class=\"srcharleston-hl\"\u003e\n\u003cth\u003eExterior\u003c\/th\u003e\n\u003ctd\u003e71 W x 63 D x 80 H in\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFloor area\u003c\/th\u003e\n\u003ctd\u003eAbout 31 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCeiling needed\u003c\/th\u003e\n\u003ctd\u003e84 in or more\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\u003c\/div\u003e\n      \u003cdiv class=\"srcharleston-tw\"\u003e\u003ctable class=\"srcharleston-spec\"\u003e\n        \u003ccaption\u003eInside the Charleston\u003c\/caption\u003e\n        \u003ctr class=\"srcharleston-hl\"\u003e\n\u003cth\u003eInterior\u003c\/th\u003e\n\u003ctd\u003e67 W x 59 D x 72 H in\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eVolume\u003c\/th\u003e\n\u003ctd\u003eAbout 165 cu ft\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSeats\u003c\/th\u003e\n\u003ctd\u003e4, on a two tier double bench\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cfigure\u003e\u003cdiv class=\"srcharleston-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/sunray-charleston-indoor-sauna-two-tier-benches.jpg?v=1792995347\u0026amp;width=1200\" alt=\"Two-tier benches with backrest inside the SunRay Charleston, bucket on the bench beside the heater guard\" width=\"2048\" height=\"1365\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eThe Charleston's upper and lower benches with the backrest, and the bucket beside the heater guard.\u003c\/figcaption\u003e\u003c\/figure\u003e\n    \u003c\/div\u003e\n    \u003ch3\u003eRoom to sit four, or lie back with two\u003c\/h3\u003e\n    \u003cp\u003eAt 67 inches wide inside, four people sit across the two levels, and SunRay notes the bench layout lets two people stretch out when the cabin is not full. The upper tier sits in the hottest air under the ceiling and the lower one in milder air, so a group with different tastes can share a session.\u003c\/p\u003e\n    \u003ch3\u003ePlanning the floor and the ceiling\u003c\/h3\u003e\n    \u003cp\u003eThe Charleston takes about 31 square feet of floor. Its height of 80 inches, plus the 3 to 4 inches SunRay wants above the roof, means the ceiling should be at least 84 inches, which is 7 feet. Most finished basements and every 8 foot room clear that, but check under beams and ducts before you order.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ 04 ============ --\u003e\n\u003csection class=\"srcharleston-tinted\" id=\"heat\"\u003e\n  \u003cdiv class=\"srcharleston-c\"\u003e\n    \u003cp class=\"srcharleston-eyebrow\"\u003eThe heat\u003c\/p\u003e\n    \u003ch2\u003eInside the SunRay Charleston sauna: the 6 kW Harvia heater\u003c\/h2\u003e\n    \u003cp class=\"srcharleston-lead\"\u003eThe heater stands in a wooden frame next to the benches, with its stones on top.\u003c\/p\u003e\n    \u003ch3\u003eThe 6 kW Harvia heater\u003c\/h3\u003e\n    \u003cp\u003eSunRay's TN manual and its data sheet give the Charleston a 6 kW Harvia heater, a step up from the 4.5 kW in the three seat Hampton.\u003c\/p\u003e\n    \u003ch3\u003eSteam, by the ladle\u003c\/h3\u003e\n    \u003cp\u003eSunRay includes a wooden bucket and ladle. Water poured on the hot stones turns to steam and lifts the humidity; no water and you have dry heat. Watch both numbers on the thermo-hygrometer on the wall.\u003c\/p\u003e\n    \u003ch3\u003eHow long, how hot\u003c\/h3\u003e\n    \u003cp\u003eSunRay's TN manual tells you to allow approximately 12 to 15 minutes for the sauna to warm up before a session. Its newer Harvia heater sheet allows 45 to 60 minutes for the room to reach a usable temperature, which is the figure to plan on in a cool basement. The cabin heats up to 170 F, SunRay's stated maximum. The manual has you set the temperature on the heater's thermostat; once the cabin gets there, the heater turns itself off and on to hold the setting.\u003c\/p\u003e\n    \u003cdiv class=\"srcharleston-warn\"\u003e\n\u003cstrong\u003eHot stones, hot steam.\u003c\/strong\u003e The heater and its stones burn on contact, and a big pour of water sends up boiling steam. SunRay's TN manual advises sessions of no more than 30 minutes, plenty of water to drink, and leaving at once if you feel light headed.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ 05 ============ --\u003e\n\u003csection id=\"build\"\u003e\n  \u003cdiv class=\"srcharleston-c\"\u003e\n    \u003cp class=\"srcharleston-eyebrow\"\u003eConstruction\u003c\/p\u003e\n    \u003ch2\u003eThe SunRay Charleston cedar sauna cabin, panel by panel\u003c\/h2\u003e\n    \u003cp class=\"srcharleston-lead\"\u003eCedar walls, a glass front with an upgraded handle, a dome light and ceiling ventilation.\u003c\/p\u003e\n    \u003cdiv class=\"srcharleston-pairup\"\u003e\n    \u003cdiv\u003e\n    \u003ch3\u003eCedar\u003c\/h3\u003e\n    \u003cp\u003eThe 2026 Charleston is cedar; earlier units were hemlock.\u003c\/p\u003e\n    \u003ch3\u003eThe front and the door\u003c\/h3\u003e\n    \u003cp\u003eThe front is glazed with tempered glass, and the door carries what SunRay lists as an upgraded handle, a long stainless steel bar.\u003c\/p\u003e\n    \u003ch3\u003eLight and air\u003c\/h3\u003e\n    \u003cp\u003eA dome light lights the cabin from the ceiling. SunRay lists ventilation in the ceiling as well, and the manual notes that the vent or the door can be opened at any time to let air in.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cfigure\u003e\u003cdiv class=\"srcharleston-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/sunray-charleston-4-person-indoor-sauna-door-handle.jpg?v=1792669988\u0026amp;width=1200\" alt=\"Stainless steel door handle on the SunRay Charleston glass door, two-tier benches behind\" width=\"1331\" height=\"2048\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eThe stainless steel door handle, with the two bench tiers behind the glass.\u003c\/figcaption\u003e\u003c\/figure\u003e\n    \u003c\/div\u003e\n    \u003cp class=\"srcharleston-after\"\u003eLooking at other four seat rooms? Browse our \u003ca href=\"\/collections\/indoor-saunas\"\u003eindoor saunas\u003c\/a\u003e from every brand we stock.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ 06 ============ --\u003e\n\u003csection class=\"srcharleston-tinted\" id=\"ready\"\u003e\n  \u003cdiv class=\"srcharleston-c\"\u003e\n    \u003cp class=\"srcharleston-eyebrow\"\u003eBefore you order\u003c\/p\u003e\n    \u003ch2\u003eFive things to check before ordering the SunRay Charleston sauna\u003c\/h2\u003e\n    \u003cp class=\"srcharleston-lead\"\u003eThey cover the floor, the ceiling and the wiring: a tape measure and one call to an electrician settle all five.\u003c\/p\u003e\n    \u003cul class=\"srcharleston-chk\"\u003e\n      \u003cli\u003e\n\u003cb\u003e71 by 63 inches of floor\u003c\/b\u003e\u003cspan\u003eLeave working room around it for raising the walls and fitting the roof\u003c\/span\u003e\n\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eA 7 foot ceiling, at least\u003c\/b\u003e\u003cspan\u003e80 inches of cabin plus SunRay's 3 to 4 inches above it\u003c\/span\u003e\n\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eSturdy, level ground\u003c\/b\u003e\u003cspan\u003eThe TN manual asks for a solid level surface and, on a floor that can get damp, a moisture barrier below the cabin\u003c\/span\u003e\n\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eOne 240 V circuit for the sauna\u003c\/b\u003e\u003cspan\u003eHard-wired to the heater by a licensed electrician\u003c\/span\u003e\n\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003eAn indoor room\u003c\/b\u003e\u003cspan\u003eThe cabin has no weather roof, and SunRay's warranty keeps indoor saunas indoors\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003ch3\u003eThe electrician's brief\u003c\/h3\u003e\n    \u003cp\u003eGive your electrician three facts: a 6 kW Harvia electric heater, 240 V, a dedicated circuit with a hard-wired connection. SunRay's TN manual sends them to the heater manual for the voltage and current, and they size the circuit from it and from the National Electrical Code.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ 07 ============ --\u003e\n\u003csection id=\"costs\"\u003e\n  \u003cdiv class=\"srcharleston-c\"\u003e\n    \u003cp class=\"srcharleston-eyebrow\"\u003eRunning cost\u003c\/p\u003e\n    \u003ch2\u003eRunning the SunRay Charleston sauna: electricity per session\u003c\/h2\u003e\n    \u003cp class=\"srcharleston-lead\"\u003eThis allows 90 minutes of heater time, warm-up included, three times a week. Inputs: 6 kW, and 18.34 cents per kWh, the US residential average for June 2026 in the EIA's Electric Power Monthly.\u003c\/p\u003e\n    \u003cdiv class=\"srcharleston-stat3\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"srcharleston-lbl\"\u003eA 90 minute session\u003c\/p\u003e\n        \u003cp class=\"srcharleston-big\"\u003e$1.65\u003c\/p\u003e\n        \u003cp\u003e9 kWh at 18.34 cents.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"srcharleston-lbl\"\u003eA month\u003c\/p\u003e\n        \u003cp class=\"srcharleston-big\"\u003e$21.46\u003c\/p\u003e\n        \u003cp\u003eThree a week, 19.5 hours, 117 kWh.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"srcharleston-lbl\"\u003eA year\u003c\/p\u003e\n        \u003cp class=\"srcharleston-big\"\u003e$257\u003c\/p\u003e\n        \u003cp\u003e156 sessions, 234 hours, 1,404 kWh.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEach is a ceiling. After warm-up the heater cycles to hold the temperature, so it is not drawing 6 kW for the full 90 minutes. Shared four ways, the session figure is about 41 cents a person. Use your own rate from your bill in place of ours.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ 08 ============ --\u003e\n\u003csection class=\"srcharleston-tinted\" id=\"box\"\u003e\n  \u003cdiv class=\"srcharleston-c\"\u003e\n    \u003cp class=\"srcharleston-eyebrow\"\u003eWhat you get\u003c\/p\u003e\n    \u003ch2\u003eThe SunRay Charleston sauna in the box\u003c\/h2\u003e\n    \u003cp class=\"srcharleston-lead\"\u003eEvery part of the cabin and heater arrives together. The circuit is the one piece of work done on site by someone else.\u003c\/p\u003e\n    \u003cdiv class=\"srcharleston-buy\"\u003e\n      \u003cdiv class=\"srcharleston-req\"\u003e\n\u003ch3\u003eRequired before it runs\u003c\/h3\u003e\n\u003cul\u003e\n        \u003cli\u003e\n\u003cb\u003eA dedicated 240 V circuit\u003c\/b\u003e\u003cspan\u003eRun and hard-wired by a licensed electrician\u003c\/span\u003e\n\u003c\/li\u003e\n        \u003cli\u003e\n\u003cb\u003eTwo adults to build it\u003c\/b\u003e\u003cspan\u003eThe minimum in SunRay's TN manual\u003c\/span\u003e\n\u003c\/li\u003e\n      \u003c\/ul\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"srcharleston-opt\"\u003e\n\u003ch3\u003eOptional\u003c\/h3\u003e\n\u003cul\u003e\n        \u003cli\u003e\n\u003cb\u003eProfessional Setup \u0026amp; Assembly\u003c\/b\u003e\u003cspan\u003eRequest a setup quote next to Add to Cart and an independent crew puts the Charleston together where it will stand; see our \u003ca href=\"\/pages\/white-glove-delivery-assembly\"\u003esauna assembly and setup\u003c\/a\u003e page\u003c\/span\u003e\n\u003c\/li\u003e\n      \u003c\/ul\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"srcharleston-pairup\"\u003e\n    \u003cdiv class=\"srcharleston-tw\"\u003e\u003ctable class=\"srcharleston-spec\"\u003e\n      \u003ccaption\u003eWhat ships\u003c\/caption\u003e\n      \u003ctr\u003e\n\u003cth\u003eCabin\u003c\/th\u003e\n\u003ctd\u003eCedar floor, back wall, two side walls, front wall, roof\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr class=\"srcharleston-hl\"\u003e\n\u003cth\u003eHeater\u003c\/th\u003e\n\u003ctd\u003e6 kW Harvia electric heater with stones, in a wooden frame\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eBenches\u003c\/th\u003e\n\u003ctd\u003eLower bench, upper bench, ergonomic backrest\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eDoor\u003c\/th\u003e\n\u003ctd\u003eTempered glass with the upgraded handle\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eFixtures\u003c\/th\u003e\n\u003ctd\u003eDome light, thermo-hygrometer, sand timer\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eSteam kit\u003c\/th\u003e\n\u003ctd\u003eWooden bucket and ladle\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eYour part\u003c\/th\u003e\n\u003ctd\u003eThe circuit and the electrician\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003cfigure\u003e\u003cdiv class=\"srcharleston-fig\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/sunray-charleston-4-person-indoor-sauna-harvia-heater-guard.jpg?v=1792929217\u0026amp;width=1200\" alt=\"Harvia heater in its wooden guard rail beside the bench and bucket inside the SunRay Charleston\" width=\"2048\" height=\"1365\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cfigcaption\u003eThe 6 kW Harvia heater in its wooden guard rail, next to the bench and the bucket.\u003c\/figcaption\u003e\u003c\/figure\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ 09 ============ --\u003e\n\u003csection id=\"assembly\"\u003e\n  \u003cdiv class=\"srcharleston-c\"\u003e\n    \u003cp class=\"srcharleston-eyebrow\"\u003eAssembly\u003c\/p\u003e\n    \u003ch2\u003eHow to assemble the SunRay Charleston sauna\u003c\/h2\u003e\n    \u003cp class=\"srcharleston-lead\"\u003eThe TN manual covers the Charleston, and its walls clip together with buckles built into the panels.\u003c\/p\u003e\n    \u003cp\u003eBegin with the bottom panel on a flat, hard, level surface. Stand the back wall on its rear edge and fasten the right and left walls to it with the built in buckles. Add the front wall, place the roof, and attach the door handle.\u003c\/p\u003e\n    \u003cp\u003eNext, route the heater cable through the hole in the side wall and put together the wooden frame the heater stands in; the licensed electrician makes the connection. Then set in the bottom bench, the top bench and the backrest. Screw the hygrometer, sand timer and dome light into place with the screws provided, running the light's wire through the ceiling to connect it inside the heater.\u003c\/p\u003e\n    \u003cp\u003eThe manual asks for at least two adults.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ 10 ============ --\u003e\n\u003csection class=\"srcharleston-tinted\" id=\"delivery\"\u003e\n  \u003cdiv class=\"srcharleston-c\"\u003e\n    \u003cp class=\"srcharleston-eyebrow\"\u003eDelivery day\u003c\/p\u003e\n    \u003ch2\u003eSunRay Charleston sauna delivery to your curb\u003c\/h2\u003e\n    \u003cp class=\"srcharleston-lead\"\u003eFreight is free to the curb across the lower 48, on a lift gate truck, and SunRay's product sheet gives the shipping weight as 555 pounds. The buy box shows the expected delivery window in business days.\u003c\/p\u003e\n    \u003cdiv class=\"srcharleston-reportgrid\"\u003e\n      \u003cdiv\u003e\n\u003cp class=\"srcharleston-rl\"\u003eBefore delivery\u003c\/p\u003e\n\u003cp\u003eThe carrier calls to arrange a slot. Have an adult home to sign and a couple of people to help carry the cartons in.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003cdiv\u003e\n\u003cp class=\"srcharleston-rl\"\u003eAt the truck\u003c\/p\u003e\n\u003cp\u003eInspect every carton before signing. Crushed corners, holes or water marks: photograph them and write them on the receipt.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003cdiv\u003e\n\u003cp class=\"srcharleston-rl\"\u003eBefore you build\u003c\/p\u003e\n\u003cp\u003eUnpack and check the glass, the wall panels and the benches while the cartons are still there.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eShould you change your mind, start the return within 20 days of the date the Charleston ships, before anything is assembled. Change-of-mind returns travel back at your cost and a 20% restocking fee may apply; the original shipping is never deducted.\u003c\/p\u003e\n    \u003cdiv class=\"srcharleston-warn\"\u003e\n\u003cstrong\u003eDamage visible at delivery belongs on the receipt, in writing, before the driver leaves, and call \u003ca href=\"tel:+18885005675\"\u003e(888) 500-5675\u003c\/a\u003e while the driver is still there.\u003c\/strong\u003e Freight terms: our \u003ca href=\"\/pages\/sunray-shipping-policy\"\u003eSunRay shipping policy\u003c\/a\u003e. Returns: our \u003ca href=\"\/pages\/sunray-return-policy\"\u003eSunRay return policy\u003c\/a\u003e.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ 11 ============ --\u003e\n\u003csection id=\"specs\"\u003e\n  \u003cdiv class=\"srcharleston-c\"\u003e\n    \u003cp class=\"srcharleston-eyebrow\"\u003eReference\u003c\/p\u003e\n    \u003ch2\u003eSunRay Charleston 400TN 4 person cedar sauna specifications\u003c\/h2\u003e\n    \u003cdiv class=\"srcharleston-tw\"\u003e\u003ctable class=\"srcharleston-spec srcharleston-keyspec\"\u003e\n      \u003ccaption\u003eKey specification\u003c\/caption\u003e\n      \u003ctr class=\"srcharleston-hl\"\u003e\n\u003cth\u003eExterior\u003c\/th\u003e\n\u003ctd\u003e71 W x 63 D x 80 H in\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eCeiling needed\u003c\/th\u003e\n\u003ctd\u003e84 in or more, with SunRay's 3 to 4 in above the roof\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eInterior\u003c\/th\u003e\n\u003ctd\u003e67 W x 59 D x 72 H in\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eCapacity\u003c\/th\u003e\n\u003ctd\u003e4 person, two tier double bench with a backrest\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eHeater\u003c\/th\u003e\n\u003ctd\u003e6 kW Harvia electric, stones for steam, in a wooden frame\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr class=\"srcharleston-hl\"\u003e\n\u003cth\u003eElectrical\u003c\/th\u003e\n\u003ctd\u003e240 V dedicated circuit, hard-wired by a licensed electrician\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eHighest setting\u003c\/th\u003e\n\u003ctd\u003e170 F, SunRay's stated maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eWood\u003c\/th\u003e\n\u003ctd\u003eCedar on 2026 builds; earlier units were hemlock\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eIncluded\u003c\/th\u003e\n\u003ctd\u003eHeater stones, glass door with upgraded handle, dome light, bucket and ladle, thermo-hygrometer, sand timer\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eShipping weight\u003c\/th\u003e\n\u003ctd\u003e555 lb, per SunRay's product sheet\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e10 years structure, 1 year heater and electrical parts\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003cdetails class=\"srcharleston-more\"\u003e\n      \u003csummary\u003eFull specification tables\u003c\/summary\u003e\n      \u003cdiv class=\"srcharleston-moregrid\"\u003e\n        \u003cdiv class=\"srcharleston-tw\"\u003e\u003ctable class=\"srcharleston-spec\"\u003e\n          \u003ccaption\u003eDimensions\u003c\/caption\u003e\n          \u003ctr\u003e\n\u003cth\u003eExterior\u003c\/th\u003e\n\u003ctd\u003e71 W x 63 D x 80 H in, per SunRay's TN manual\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003cth\u003eFloor area\u003c\/th\u003e\n\u003ctd\u003eAbout 31 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003cth\u003eVolume inside\u003c\/th\u003e\n\u003ctd\u003eAbout 165 cu ft\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/table\u003e\u003c\/div\u003e\n        \u003cdiv class=\"srcharleston-tw\"\u003e\u003ctable class=\"srcharleston-spec\"\u003e\n          \u003ccaption\u003eConstruction\u003c\/caption\u003e\n          \u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003e400TN\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003cth\u003eDoor handle\u003c\/th\u003e\n\u003ctd\u003eLong stainless steel bar\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003cth\u003eLighting\u003c\/th\u003e\n\u003ctd\u003eDome light\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003cth\u003eVentilation\u003c\/th\u003e\n\u003ctd\u003eIn the ceiling\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003cth\u003ePlacement\u003c\/th\u003e\n\u003ctd\u003eIndoor only\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/table\u003e\u003c\/div\u003e\n        \u003cdiv class=\"srcharleston-tw\"\u003e\u003ctable class=\"srcharleston-spec\"\u003e\n          \u003ccaption\u003ePower and delivery\u003c\/caption\u003e\n          \u003ctr\u003e\n\u003cth\u003eWarm-up\u003c\/th\u003e\n\u003ctd\u003e12 to 15 minutes (SunRay's TN manual); 45 to 60 (its Harvia heater sheet)\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003cth\u003eFreight\u003c\/th\u003e\n\u003ctd\u003eFree curbside freight, lower 48, lift gate truck\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003cth\u003eAssembly\u003c\/th\u003e\n\u003ctd\u003eTwo or more adults\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/table\u003e\u003c\/div\u003e\n    \n      \u003c\/div\u003e\n    \u003c\/details\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ 12 ============ --\u003e\n\u003csection class=\"srcharleston-tinted\" id=\"compare\"\u003e\n  \u003cdiv class=\"srcharleston-c\"\u003e\n    \u003cp class=\"srcharleston-eyebrow\"\u003eThe range\u003c\/p\u003e\n    \u003ch2\u003eThe SunRay Charleston and its closest SunRay indoor traditional saunas\u003c\/h2\u003e\n    \u003cp class=\"srcharleston-lead\"\u003eEvery four seat SunRay indoor cabin runs a 6 kW heater. The Charleston is cedar, with its heater standing in a wooden frame and an upgraded door handle. Here it sits beside its closest siblings.\u003c\/p\u003e\n    \u003cdiv class=\"srcharleston-tw srcharleston-tw--scroll\"\u003e\u003ctable class=\"srcharleston-cmp\"\u003e\n      \u003ccaption\u003eSizes are W x D x H, in inches\u003c\/caption\u003e\n      \u003cthead\u003e\u003ctr\u003e\n        \u003cth\u003e\u003c\/th\u003e\n        \u003cth\u003e\u003ca href=\"\/products\/sunray-southport-3-person-traditional-indoor-sauna\"\u003e\u003cspan class=\"srcharleston-cmp-h\"\u003eSunRay\u003c\/span\u003e\u003cspan class=\"srcharleston-cmp-m\"\u003eSouthport\u003c\/span\u003e\u003c\/a\u003e\u003c\/th\u003e\n        \u003cth\u003e\u003ca href=\"\/products\/sunray-hampton-3-person-traditional-indoor-sauna\"\u003e\u003cspan class=\"srcharleston-cmp-h\"\u003eSunRay\u003c\/span\u003e\u003cspan class=\"srcharleston-cmp-m\"\u003eHampton\u003c\/span\u003e\u003c\/a\u003e\u003c\/th\u003e\n        \u003cth\u003e\u003ca href=\"\/products\/sunray-tiburon-4-person-traditional-indoor-sauna\"\u003e\u003cspan class=\"srcharleston-cmp-h\"\u003eSunRay\u003c\/span\u003e\u003cspan class=\"srcharleston-cmp-m\"\u003eTiburon\u003c\/span\u003e\u003c\/a\u003e\u003c\/th\u003e\n        \u003cth class=\"srcharleston-me\"\u003e\n\u003cspan class=\"srcharleston-cmp-h\"\u003eSunRay\u003c\/span\u003e\u003cspan class=\"srcharleston-cmp-m\"\u003eCharleston\u003c\/span\u003e\u003cspan class=\"srcharleston-cmp-here\"\u003eYou are here\u003c\/span\u003e\n\u003c\/th\u003e\n        \u003cth\u003e\u003ca href=\"\/products\/sunray-galaxie-4-person-traditional-indoor-sauna\"\u003e\u003cspan class=\"srcharleston-cmp-h\"\u003eSunRay\u003c\/span\u003e\u003cspan class=\"srcharleston-cmp-m\"\u003eGalaxie\u003c\/span\u003e\u003c\/a\u003e\u003c\/th\u003e\n      \u003c\/tr\u003e\u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eBathers\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd class=\"srcharleston-me\"\u003e4\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"srcharleston-hl\"\u003e\n\u003ctd\u003eInside floor, in\u003c\/td\u003e\n\u003ctd\u003e65 x 43\u003c\/td\u003e\n\u003ctd\u003e66 x 43\u003c\/td\u003e\n\u003ctd\u003e59 x 65\u003c\/td\u003e\n\u003ctd class=\"srcharleston-me\"\u003e67 x 59\u003c\/td\u003e\n\u003ctd\u003e67 x 51\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eInside height, in\u003c\/td\u003e\n\u003ctd\u003e69\u003c\/td\u003e\n\u003ctd\u003e72\u003c\/td\u003e\n\u003ctd\u003e75\u003c\/td\u003e\n\u003ctd class=\"srcharleston-me\"\u003e72\u003c\/td\u003e\n\u003ctd\u003e75\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eBench\u003c\/td\u003e\n\u003ctd\u003eSingle\u003c\/td\u003e\n\u003ctd\u003eTwo levels\u003c\/td\u003e\n\u003ctd\u003eTwo levels\u003c\/td\u003e\n\u003ctd class=\"srcharleston-me\"\u003eTwo levels\u003c\/td\u003e\n\u003ctd\u003eTwo levels\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eHarvia heater\u003c\/td\u003e\n\u003ctd\u003e4.5 kW\u003c\/td\u003e\n\u003ctd\u003e4.5 kW\u003c\/td\u003e\n\u003ctd\u003e6 kW\u003c\/td\u003e\n\u003ctd class=\"srcharleston-me\"\u003e6 kW\u003c\/td\u003e\n\u003ctd\u003e6 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eWood\u003c\/td\u003e\n\u003ctd\u003eHemlock\u003c\/td\u003e\n\u003ctd\u003eCedar\u003c\/td\u003e\n\u003ctd\u003eHemlock\u003c\/td\u003e\n\u003ctd class=\"srcharleston-me\"\u003eCedar\u003c\/td\u003e\n\u003ctd\u003eHemlock\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eStone wall, color LED, Bluetooth\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd class=\"srcharleston-me\"\u003eNo\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003cp\u003eAgainst the Tiburon, the Charleston sits on 71 by 63 inches to its 63 by 69, an inch taller, in cedar where the Tiburon is hemlock, with the heater in a floor frame rather than on a wall rack. The Galaxie seats four in SunRay's LX finish, with a cultured stone back wall, color-changing LED lighting and Bluetooth audio, on a footprint 8 inches shallower. Three seats enough? The Hampton is the same cedar cabin for three.\u003c\/p\u003e\n    \u003cp class=\"srcharleston-after\"\u003eTwo and three seat cabins, plus the outdoor models: \u003ca href=\"\/collections\/sunray-saunas\"\u003eevery SunRay sauna side by side\u003c\/a\u003e.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ 13 ============ --\u003e\n\u003csection id=\"warranty\"\u003e\n  \u003cdiv class=\"srcharleston-c\"\u003e\n    \u003cp class=\"srcharleston-eyebrow\"\u003eWarranty\u003c\/p\u003e\n    \u003ch2\u003eSunRay Charleston sauna warranty, cabin and heater\u003c\/h2\u003e\n    \u003cp class=\"srcharleston-lead\"\u003eSunRay's warranty certificate, the single document that applies to this sauna, splits cover in two: the room for ten years, the working parts for one.\u003c\/p\u003e\n    \u003cdiv class=\"srcharleston-tw\"\u003e\u003ctable class=\"srcharleston-spec\"\u003e\n      \u003ccaption\u003eWhat the certificate covers\u003c\/caption\u003e\n      \u003ctr class=\"srcharleston-hl\"\u003e\n\u003cth\u003e10 year structure\u003c\/th\u003e\n\u003ctd\u003eWooden sauna panels, flooring, ceiling and glass. Parts needed to repair them, or a replacement sauna at SunRay's discretion\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003e1 year parts\u003c\/th\u003e\n\u003ctd\u003eAll sauna parts including the heater and electrical components, as parts only. Labor to fit them is not covered\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eUse\u003c\/th\u003e\n\u003ctd\u003eResidential. Commercial use voids the warranty, and indoor saunas must be used indoors\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eOwner\u003c\/th\u003e\n\u003ctd\u003eThe original customer at the original delivery address; no transfer\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\u003c\/div\u003e\n    \u003cp\u003eBefore you buy, note three points: SunRay does not count surface cracks or minor blemishes in the wood as defects; the interior should only be cleaned with a water soluble cleaner meant for unfinished wood; and SunRay must agree in writing before a repair if you want it reimbursed. Our \u003ca href=\"\/pages\/sunray-warranty-policy\"\u003eSunRay warranty policy\u003c\/a\u003e page carries the full terms, and we can email you the certificate.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- ============ 14 ============ --\u003e\n\u003csection class=\"srcharleston-tinted\" id=\"faq\"\u003e\n  \u003cdiv class=\"srcharleston-c\"\u003e\n    \u003cp class=\"srcharleston-eyebrow\"\u003eBuyer questions\u003c\/p\u003e\n    \u003ch2\u003eSunRay Charleston 4 person traditional sauna FAQ\u003c\/h2\u003e\n    \u003cdiv class=\"srcharleston-faq\"\u003e\n    \u003cdetails\u003e\u003csummary\u003eHow big is the SunRay Charleston?\u003c\/summary\u003e\u003cdiv class=\"srcharleston-fb\"\u003e\n      \u003cp\u003e71 inches wide, 63 deep and 80 tall outside; 67 by 59 inches and 72 inches high inside. SunRay asks for 3 to 4 inches or more above the roof, so the room's ceiling needs to be at least 84 inches.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eDoes the SunRay Charleston have a 6 kW or an 8 kW heater?\u003c\/summary\u003e\u003cdiv class=\"srcharleston-fb\"\u003e\n      \u003cp\u003e6 kW. SunRay's relaunched site shows 8 kW, but SunRay's own Charleston page from May 2026, its 2024 data sheet and the TN assembly manual all give 6 kW.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eWhat electrical work does the SunRay Charleston need?\u003c\/summary\u003e\u003cdiv class=\"srcharleston-fb\"\u003e\n      \u003cp\u003eA dedicated 240 volt circuit, hard-wired to the 6 kW Harvia heater by a licensed electrician. SunRay's TN manual refers the electrical requirements to the heater manual, which the electrician uses with the National Electrical Code to size the circuit.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eHow quickly does the SunRay Charleston heat up?\u003c\/summary\u003e\u003cdiv class=\"srcharleston-fb\"\u003e\n      \u003cp\u003eSunRay's TN manual allows about 12 to 15 minutes before a session, and its newer Harvia heater sheet 45 to 60 minutes to a usable temperature; allow the longer time in a cold room. It heats up to 170 F, SunRay's stated maximum.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eIs the SunRay Charleston cedar?\u003c\/summary\u003e\u003cdiv class=\"srcharleston-fb\"\u003e\n      \u003cp\u003eYes, current builds are cedar. SunRay switched the Charleston from hemlock to cedar in early 2026; Charlestons built before that were hemlock.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eWhat is the SunRay Charleston warranty?\u003c\/summary\u003e\u003cdiv class=\"srcharleston-fb\"\u003e\n      \u003cp\u003eTen years on the wooden panels, flooring, ceiling and glass, and one year on every part including the heater and electrical components, parts only. Cover is for home use by the original owner at the original address, and commercial use voids it.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eHow is the SunRay Charleston delivered?\u003c\/summary\u003e\u003cdiv class=\"srcharleston-fb\"\u003e\n      \u003cp\u003eFree freight to the curb in the lower 48, on a lift gate truck, at a shipping weight of 555 pounds. An adult must be present to sign; check the cartons first and write any visible damage on the delivery receipt.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eCan two people lie down in the SunRay Charleston?\u003c\/summary\u003e\u003cdiv class=\"srcharleston-fb\"\u003e\n      \u003cp\u003eSunRay says the two tier double bench seats four, or lets two people stretch out. The interior is 67 inches wide, so how fully you can stretch depends on your height; a tall adult will not lie flat at full length.\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!-- ============ close ============ --\u003e\n\u003cdiv class=\"srcharleston-close\" id=\"order\"\u003e\n  \u003cdiv class=\"srcharleston-c\"\u003e\n    \u003cp class=\"srcharleston-eyebrow\" style=\"color:#E8A33D\"\u003eOne last thing\u003c\/p\u003e\n    \u003ch2\u003eOrder the SunRay Charleston 4 person sauna\u003c\/h2\u003e\n    \u003cp\u003eA cedar room with two bench tiers, a 6 kW Harvia heater and stones for steam, with free freight to your curb. Add the Charleston to your cart above. If the ceiling or the wiring needs a second opinion, call us before you order.\u003c\/p\u003e\n    \u003cdiv class=\"srcharleston-who\"\u003e\n      \u003cimg class=\"srcharleston-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=\"srcharleston-btn\" href=\"tel:+18885005675\"\u003eCall (888) 500-5675\u003c\/a\u003e\n    \u003ca class=\"srcharleston-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":"SunRay Saunas","offers":[{"title":"Default Title","offer_id":67837338255727,"sku":"HL400TN","price":4598.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/0674\/1103\/files\/sunray-charleston-4-person-traditional-indoor-sauna-lifestyle-sq.jpg?v=1793098112","url":"https:\/\/recoveryroomdirect.com\/products\/sunray-charleston-4-person-traditional-indoor-sauna","provider":"Recovery Room Direct","version":"1.0","type":"link"}