Narvi NC 24 Wood-Burning Sauna Stove, 17 kW | Black
Narvi NC 24 Wood-Burning Sauna Stove, 17 kW | Black
- Regular price
- $2,095.00
- Regular price
- Sale price
- $2,095.00
- Unit price
- per
Found it lower? We'll match it, before or after you buy.
Send us a link to the lower price. If it is the same model, new and in stock at an authorized U.S. online retailer, we match it. Already ordered? If it was lower on your order date, claim the difference within 30 days.
Excludes sale pricing, marketplace sellers and later price drops.
Read the full price match terms →- The largest stove in the NC range
- Hand-fired, with no element and no circuit
- Declared burn figures from a VTT test
Width × height of each glass or tile surface, added together. A 2 × 6.5 ft glass door is 13 sq ft.
Measure the inside of the room, in feet. For a barrel sauna or a sauna kit, go with the heater size the sauna’s manufacturer recommends.
Room volume is length x width x height in feet.
Lets the stove sit closer to a combustible wall.
Heats washing water on top of the stove, on its upper flue opening.
The stove's flue is 4.5 in and a US chimney is 6 in. This adapter joins the two.
Curbside delivery, insured in transit
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1-888-500-5675
How does delivery work?
How does delivery work?
Free curbside delivery to the contiguous 48 states on every Narvi stove. The chimney parts and smaller accessories follow our store-wide free shipping threshold, so they ship free with a stove and on any order that clears it. Stoves travel by LTL freight because of their weight; the smaller parts travel by parcel carrier.
Curbside means the curb. The driver brings the shipment to the end of your driveway and that is where the handover happens. Taking it from there to the sauna is yours to arrange, and a Narvi 30 weighs 331 lbs before a single stone goes in, so plan the last fifty feet before the truck arrives rather than on the day.
Alaska, Hawaii and Canada are quoted case by case. Contact us before ordering and we will price the lane.
Most orders leave the warehouse within one to two weeks. If a model is between containers we tell you the date before we take the order, not after.
Inspect before you sign. Freight damage has to be noted on the delivery receipt at the moment of handover. Photograph the crate before it comes off the truck and write any damage on the paperwork before the driver leaves. A receipt signed clean makes a damage claim very hard to win.
What does the warranty cover?
What does the warranty cover?
Two years in residential use on the Kaamos 20, NC 16, NC 20, NC 24, Luosto, Luosto VS, Inari, Inari Plus and Narvi 30. One year on the Kuru 14 and the Kuru 20.
Non-private use halves the term, and Narvi voids the warranty entirely if the main purpose of use changes during the period.
Covered: defects in materials and workmanship under normal use, on a new product bought from an authorized dealer. It does not limit your rights under applicable law.
Not covered: sauna stones and firebox fire protection plates, which Narvi treats as consumables; improper installation, alteration or misuse; a product incorrectly dimensioned for the room; transport and storage damage, including storage anywhere not indoors, dry, ventilated and above freezing; damage from insufficient ventilation or constant humidity; non-recommended or badly stacked stones; non-original parts; and removal, re-installation, service calls and shipping costs.
Report a fault within 14 days of discovering it, in writing, with proof of purchase and the type designation.
Installation is a condition. Narvi warrants a stove installed the way its manual requires: a chimney of class T600, at least 120 mm across, with a draught of at least 12 Pa, the published clearances and the ventilation the manual calls for. Transport damage is not a warranty matter. Note it on the delivery receipt before the driver leaves, photograph the pallet, and contact us within 48 hours.
What if I need to return it?
What if I need to return it?
30 days from purchase, unused and in the original packaging.
Get a return authorization first. Nothing should be sent back before we issue one. Contact us, we raise the authorization with the distributor, and the return then travels against a number that identifies it. A stove returned without one can be refused at the dock.
No percentage restocking fee. Full credit for the product, less a repackaging fee of 20 to 50 dollars depending on the item. An administrative fee of up to 5% may apply if you cancel after we have released the order, and we waive it when we are not charged.
You pay the return freight unless the item arrived damaged, the wrong item was shipped, or the fault is ours. In those cases the return costs you nothing and we arrange the collection.
A fired stove cannot come back. Once wood has been burned in it the appliance is used and no distributor will take it. Sauna stones are a consumable and are not returnable once the box is opened.
Chimney parts and accessories get the same 30 days and the same condition, unused and in the original packaging. A flue section that has been cut, fitted or soot marked cannot come back. Cancelling before it ships is easier than returning: before we release the order to the distributor there is no fee at all.
PRODUCT DESCRIPTION
Jump to12 sections
The short answer
The largest NC, 176 lb of stone
The Narvi NC 24 is a wood-burning sauna stove built in Lappi, Finland, rated at 17 kW for a room of 353-848 cu. ft. and holding 176 lbs of stone. It burns wood and nothing else: there is no element, no control and no circuit to run.
The room
353-848
Cubic feet of hot room Narvi rates this stove for. Measure the inside of the room, and count any uninsulated glass or stone face for more than its area.
The stone
176 lbs
Stones are not supplied with any Narvi stove. Narvi specifies 10 to 15 cm olivine diabase or vulcanite, which is 4 boxes of Harvia AC3020 split-face olivine diabase at 44 lbs a box.
The flue
119 mm
The connective flue, which is 4.7 in. US stove pipe is 6 in or 8 in, so the chimney is a decision you make before the stove arrives, not after.
Room size
Will the Narvi NC 24 heat your sauna room?
Narvi rates the NC 24 for 353-848 cu. ft..
Measure the inside of the hot room rather than the footprint of the building. Narvi's own guidance is that an uninsulated surface, a glass wall or a stone face, counts for roughly one and a half to two times its area, so a room with a full glass front behaves like a larger room than its dimensions suggest.
Going too large is the more common mistake and the harder one to live with. A wood fire has no thermostat. An oversized stove in a small room runs hot and the stones never get the long soak that makes the steam soft, which is the thing people buy a Finnish stove for in the first place.
The sauna heater buyer’s guide works through the same arithmetic with examples.
The fire
What the NC 24 burns, and what Narvi measured it doing
Narvi publishes no maximum log length for this model. Its manuals recommend firewood around 5 cm thick and 33 cm long, roughly 13 in, which is a fuel recommendation rather than a firebox dimension, so we do not print it as one.
Narvi declares the test firing as 4.5 + 3.5 + 3 kg, a total of 11 kg across the burn, at 65% total efficiency with carbon monoxide at 0.17% and a flue gas temperature of 463 °C. Those are the figures from its Declaration of Performance, test report VTT-S-02015-13, and they are the closest thing to a fuel-consumption number any sauna stove maker publishes.
US cordwood is cut to 16 in as standard, so order your firewood to the stove rather than the other way round. Dry wood matters more than species: Narvi's declared figures assume seasoned logs, and wet wood will miss them in both directions, less heat into the room and more soot into the flue.
Flue and chimney
119 mm, and why that decides your chimney
The connective flue is 119 mm, which is 4.7 in, and it connects top or rear.
That size is the single thing most likely to catch a US buyer out. Stove pipe here is 6 in or 8 in; 119 mm is neither, so you cannot finish this installation with parts from a hardware store. Narvi builds its own chimney system and we stock it, along with an adaptor that takes the 119 mm collar out to a 6 in chimney. Both are on this page: the Narvi chimney kit and the 119 mm to 6 in adaptor.
What the chimney has to meet
Whatever the chimney is made of, Narvi requires temperature class T600 with a minimum modular diameter of 120 mm and a draught of at least 12 Pa. An uninsulated flue must stay 1,000 mm from anything combustible, which is 39 in. Where the stove itself stands against masonry or another non-combustible wall, a 50 mm air gap is enough.
Stones
The NC 24 takes 176 lbs of stone, sold separately
This stove holds 176 lbs of stone, and Narvi supplies none of it.
Narvi specifies 10 to 15 cm olivine diabase or vulcanite. That is a larger, coarser stone than an electric heater takes, and the difference is not cosmetic: a wood firebox runs hotter and a small stone cracks in it. For this stove the order is 4 boxes of Harvia AC3020 split-face olivine diabase at 44 lbs a box.
Stack them loosely so air moves through the pile rather than packing them tight, and leave the largest at the bottom. Narvi treats stones as a consumable, so they sit outside the warranty and are re-stacked every season or two as they settle and break down.
Before you order
Clearances, floor and air for the NC 24
Narvi's clearances to combustible material for the NC 24, taken from its installation manual rather than from the older Declaration of Performance where the two differ.
| Back | 150 mm (5.9 in) |
|---|---|
| Sides | 150 mm (5.9 in) |
| Front | 500 mm (19.7 in) |
| Ceiling above the stove | 1200 mm (47.2 in) |
Narvi sells protective shields that reduce these distances, and we stock the ones that fit this stove. Read the figures as a starting point for a conversation with your building department, not as the final word: a stove without a North American listing is treated as unlisted, and that carries its own clearance rule regardless of what the manufacturer measured in Finland.
A combustible floor needs a base
Narvi's installation base goes under the stove, with sheet metal extending at least 100 mm each side of the firebox door and 400 mm in front of it, edges turned up so coal cannot get underneath. The stove also needs an air gap of at least 25 mm below it. Both the base and a floor plate are on this page.
The room needs combustion air
A wood fire takes its air from the room, so the sauna needs 6 to 10 cubic metres of air per kilo of wood burned, through an opening of at least 100 mm. An extraction fan running in the same room as the firebox can pull the draught the wrong way.
Shields change the numbers
Narvi sells protective shields that reduce the distances in the table, and we stock the ones that fit this stove. A single or double screen changes the figure by a published amount, but Narvi's English manual prints those two percentages the wrong way round, so we do not quote either until Narvi confirms which is which.
What you get
What arrives with the NC 24, and what you add
What arrives on the pallet, and what you add to it.
In the delivery
3 items
Sauna Stove. Installation and Operation Manual. 2-Year Limited Warranty.
Ordered with it
Stones
4 boxes of Harvia AC3020 split-face olivine diabase at 44 lbs a box. Plus the chimney: Narvi's own 119 mm system or the 6 in adaptor, and floor or wall protection if your build needs it.
Not required
No wiring
No control panel, no sensor, no electrical supply and no electrician. A wood stove is the one sauna heater that needs none of it.
Delivery day
How the NC 24 ships
Free curbside freight delivery to the contiguous 48 states.
The NC 24 weighs 181 lbs before a single stone goes in. The carrier brings it to the end of your driveway and the handover happens there; moving it from the curb to the sauna is yours to arrange, and it is worth arranging before the truck arrives rather than on the day.
Inspect the pallet while the driver is still there and write any damage on the delivery receipt before you sign. A receipt signed clean makes a freight claim very hard to win, and it is the one step in this process we cannot do for you.
The full terms, including what happens outside the contiguous 48, are on the Narvi shipping policy page, and returns are on the Narvi return policy page.
Reference
Narvi NC 24 specifications
| Model | Narvi NC 24 (part 102315) |
|---|---|
| Heat output | 17 kW |
| Fuel | Solid wood only |
| Recommended room volume | 353-848 cu. ft. |
| Stone capacity | 176 lbs |
| Stone grade | 10 to 15 cm (4 to 6 in) olivine diabase or vulcanite |
| Total efficiency | 65% |
| Carbon monoxide at 13% O2 | 0.17% |
| Flue gas temperature | 463 °C |
| Test firing | 4.5 + 3.5 + 3 kg |
| Connective flue diameter | 119 mm (4.7 in) |
| Flue connection | Top or rear |
| Chimney temperature class | T600 required |
| Minimum flue draught | 12 Pa |
| Clearance, back | 150 mm |
| Clearance, sides | 150 mm |
| Clearance, front | 500 mm |
| Clearance, ceiling | 1200 mm |
| Width | 580 mm |
| Depth | 580 mm |
| Height | 820 mm |
| Stove weight | 181 lbs |
| Construction | Steel |
| Electrical supply | None required |
| Certification | CE, EN 15821:2010. See the listing note below |
| Warranty | 2 years residential |
The range
The NC 24 against the rest of the NC range
| Model | Output | Room | Stone | Weight |
|---|---|---|---|---|
| NC 24 | 17 kW | 353-848 cu. ft. | 176 lbs | 181 lbs |
| NC 16 | 16 kW | 283-565 cu. ft. | 110 lbs | 159 lbs |
| NC 20 | 16 kW | 353-706 cu. ft. | 132 lbs | 168 lbs |
Every Narvi stove sits together in the Narvi collection, and the whole category, all makers, is in wood burning sauna stoves.
Warranty and listing
Narvi NC 24 warranty, and what CE does not cover
2 years in residential use. Narvi halves the term for any non-private installation, and voids it entirely if the main purpose of use changes during the period.
Sauna stones and the firebox fire protection plates are consumables and sit outside the cover, as does damage from poor ventilation, from storage anywhere that is not indoors, dry and above freezing, and from stones Narvi does not recommend. Report a fault in writing within 14 days of finding it. Our full terms are on the Narvi warranty policy page.
The listing note. This stove carries the CE mark and is tested to the European standard EN 15821:2010 by VTT in Finland, notified body 0809. It does not carry a UL, ULC, CSA or ETL listing, and CE is not a North American listing. For a solid-fuel appliance that can affect your permit and what a home insurer will accept. Your chimney must be a UL 103 Type HT system and the installation follows NFPA 211; an appliance without a North American listing is treated as unlisted, which means 36 in clearances to combustibles unless a listed shield is used. Talk it through with your building department and your chimney professional before you order.
Buyer questions
Narvi NC 24 questions, answered from the manual
Does the NC 24 carry a UL listing?
No. It carries the CE mark and is tested to EN 15821:2010 by VTT in Finland, notified body 0809. There is no UL, ULC, CSA or ETL listing, and CE is not a North American listing. Check with your building department before you order, because an unlisted appliance is treated differently on clearances.
Are stones included?
No. No Narvi stove ships with stones. This one holds 176 lbs of 10 to 15 cm olivine diabase or vulcanite, which is 4 boxes of Harvia AC3020 split-face olivine diabase at 44 lbs a box.
Can I connect it to a standard 6 in US stove pipe?
Not directly. The connective flue is 119 mm, which is 4.7 in. Narvi makes its own chimney system and we stock it, along with an adaptor out to a 6 in chimney. Whichever you use, the chimney must be temperature class T600.
What is the warranty?
2 years for residential use. Narvi halves the term for non-private use, and sauna stones are a consumable the warranty excludes.
Can I put it in a commercial or public sauna?
Ask us first. Narvi files only the Narvi 30 under stoves for professional use, the CE declaration is written for residential buildings, and the warranty halves for non-private use and is void if the purpose of use changes. We will not promise cover the manufacturer does not give.
Why does my paperwork say Kota rather than Narvi?
Because of a merger. In 2010 Aitolampo, which owned the Kota and Aito brands, merged into Narvi, and several stoves in the range still carry Kota declarations of performance and the older four digit Kota part numbers. It is the same company and the same factory in Lappi; only the name on the document is older. Narvi Oy signs the declaration as the manufacturer either way.
What wood can I burn in it?
Dry split logs, which is what Narvi tests to: its declarations describe a multi-firing sauna stove fired by natural wood logs. Keep to the maximum log length for this model and do not burn treated, painted or glued timber, driftwood, chipboard or rubbish. Wet wood lowers the output, sooties the glass and loads the chimney.
Do I need a floor plate and a protective wall?
Only where your build needs them. A combustible floor needs an installation base with sheet metal in front of the firebox door, and a protective shield is what lets you sit the stove closer to a combustible wall than the clearances in the spec table allow. Both are on this page, and the Kuru pair has its own fitted safety wall set. Against masonry or another non combustible wall a 50 mm air gap is enough.
One last thing
Get the chimney right before the NC 24 arrives
The flue size, the chimney class and the clearances are all easier to settle now than on delivery day. Tell us the chimney you have or the one you are planning and we will tell you what it needs, and how many boxes of stone to put on the order.
ChaddySauna specialist, Recovery Room DirectMonday to Saturday, 9AM to 6PM ET
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Ed and Kay HinkleVerified buyerDynamic Venice 2-Person Sauna
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Shipped and arrived faster than expected. The unit itself is great and zero issues! Thank you!
Russell M.Verified buyerHarvia Cilindro PC80
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As a personal trainer I use this with my clients daily as well as for my personal use.
Heather H.Power Plate MOVE
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It has a beautiful design, and slim profile. … It gets hot fast, and puts off some great heat.
Caleb W.Harvia The Wall Sauna Heater -
Very pleased with the price and quality of the [sauna]
Ed H.Verified buyerDynamic Venice 2-Person Sauna
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Robert W.Power Plate MOVE
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I use it every morning for stretching and three times a week with my kettle bell
Tim J.Power Plate pro5 -
Debbie H.Power Plate MOVE
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Been using it in my 6x8 Princeton sauna since 2019. Powerful and kicks up to 170 degrees
PeterHarvia KIP80B 8 kW Sauna Heater -
Ciaran, Float On Hong KongDreampod float pods
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After five months of comparing different models, my wife and I finally decided on the Dios. … We use it every day and are very happy with our choice.
John K.Kahuna DIOS 7300 Massage Chair -
We have the smaller unit of this model and it has been a real work horse, getting at least two daily uses since it was installed in July of last year.
SteveHarvia KIP45B 4.5 kW Sauna Heater
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