Quick Answer: The best wood-fired hot tub for most buyers is a Snorkel cedar barrel with the Snorkel stove. Snorkel rates its submerged aluminum stove at 120,000 BTU an hour, and Snorkel’s own heating chart shows it raising a 335-gallon 5x3 tub about 45°F an hour. By our math, that gets a 50°F fill to 104°F in roughly 1.2 hours, about 3.5 times faster than the chart’s 10 kW electric heater on the same tub. The cheapest wood-fired tub with a published price is the LeisureCraft Starlight at $7,390 (The Sauna Place, November 4, 2026): 233 gallons, aluminum-lined and under 3 hours to heat. Almost Heaven’s turnkey Nordic-style soak tubs run $10,620.99 to $13,549.99.
Published November 4, 2026. Prices checked November 4, 2026 on Almost Heaven’s and The Sauna Place’s online stores and Snorkel’s parts shop. Heating rates, capacities, weights and care rules come from each maker’s own published charts, FAQs and care pages. We don’t test hot tubs ourselves. Heat-up times are our math from the makers’ figures.
A wood-fired hot tub heats its water with a fire instead of an electric element or a gas burner. Most models put a sealed aluminum firebox right in the water (an internal or submerged stove). Others use an external boiler that circulates water through a coil. Neither needs a pump, a filter, an outlet or a gas line, which is why they’re the go-to hot tub for cabins, off-grid lots and anyone who wants the soak to start with lighting a fire. The trade-offs are real, though: no thermostat, more frequent water changes, and a cedar barrel that needs looking after.
Wood-fired hot tubs by the numbers
- 120,000 BTU per hour: Snorkel’s rating for its full-size Snorkel stove, which it calls the largest of any stove on the market. Its smaller Scuba stove is rated at 60,000 BTU. For scale, a 10 kW electric spa heater puts out about 34,000 BTU an hour (1 kW = 3,412 BTU).
- 45°F vs. 13°F an hour: the temperature rise Snorkel’s chart lists for a 335-gallon 5x3 tub with the Snorkel stove vs. a 10 kW electric heater. A 125,000 BTU gas heater manages 29°F an hour on the same tub. On Snorkel’s chart, wood beats gas on every tub 5 feet or wider.
- Under 3 hours: LeisureCraft’s heat-up time for its Original, Starlight and Cascade tubs. Its HDPE-lined Evolution tub takes about 2 hours, the fastest in its lineup.
- $7,390 to $13,549.99: the published price range on November 4, 2026, from the LeisureCraft Starlight at The Sauna Place to the Almost Heaven Legend Soak Tub. Snorkel’s stove-and-fence kit alone lists at $1,095 to $2,150.
- 3,113 to 11,110 lb: Snorkel’s full weights for its 5x3 and 8x4 tubs. A small cedar barrel full of water still weighs more than most electric spas do, so check our deck weight limit guide before you put one on a deck.
Best wood-fired hot tubs compared
| Tub | Maker | Build | Size / seats | Heat-up (maker's figure) | Price (Nov 4, 2026) |
|---|---|---|---|---|---|
| Snorkel cedar tub + Snorkel stove | Snorkel Hot Tubs, Seattle | Clear-grain western red cedar barrel, submerged powder-coated aluminum stove (120,000 BTU) | 4–8 ft wide, 3 or 4 ft tall; 209–1,251 gal; 1 to 6–7 adults wood-fired | 12–45°F per hour, by size | Quote (stove and fence kit $1,095–$2,150) |
| Snorkel cedar tub + Scuba stove | Snorkel Hot Tubs | Same barrel, smaller 60,000 BTU stove, needs 20 in of water | 4–5 ft tubs; fits most stock tanks | 16–36°F per hour | Quote (same kit range) |
| LeisureCraft Starlight (CT372W) | Dundalk LeisureCraft, Ontario | 5052 aluminum-lined interior, white cedar skirting, internal wood heater | 233 gal | Under 3 hours | $7,390 at The Sauna Place |
| LeisureCraft Evolution Cedar Tub 5 ft | Dundalk LeisureCraft | Cedar shell with a 3/8 in HDPE liner | 5 ft (150 cm) | About 2 hours | Dealer quote |
| LeisureCraft Original Cedar Hot Tub | Dundalk LeisureCraft | All western red cedar, internal aluminum heater with stainless shield | 5, 6 or 7 ft; 3–5 people | Under 3 hours | Dealer quote |
| LeisureCraft Cascade 3x7 (372CS) | Dundalk LeisureCraft | Aluminum shell, hot tub or cold plunge | 2 people | Under 3 hours | Dealer quote |
| Almost Heaven Sindri Soak Tub | Almost Heaven (Harvia group) | Thermowood; heater, cover and step included | Not listed | "Within hours" | $10,620.99 |
| Almost Heaven Serenity Soak Tub | Almost Heaven | Heater, cover and step included | 4–6 people | "A few hours" | $11,798.99 |
| Almost Heaven Kirami Soak Tub | Kirami (Finland), sold by Almost Heaven | Built-in heater, cover and steps | 4–6 people | Not listed | $13,249.99 |
| Almost Heaven Legend Soak Tub | Almost Heaven | Self-circulating firebox, cover and step included | 4–6 people | "A couple of hours" | $13,549.99 |
Almost Heaven prices are from its own store, before freight. All four of its soak tubs ship by flatbed. Snorkel, LeisureCraft’s Evolution, Original and Cascade, and LeisureCraft’s other dealers price by quote, so we list them without a figure rather than guess.
How fast does a wood-fired hot tub heat up?
Snorkel publishes the most complete heating chart we found from a wood-fired tub maker, and it compares its own stoves with a 10 kW electric heater and a 125,000 BTU gas heater on the same barrels. We turned its approximate rates into heat-up times for a 50°F fill to 104°F (a 54°F rise):
| Snorkel tub (diameter x height) | Gallons | Weight full | Wood-fired | 125k BTU gas | 10 kW electric |
|---|---|---|---|---|---|
| 4 x 3 ft | 209 | 1,950 lb | 36°F/hr: about 1.5 h | 64°F/hr: about 0.8 h | 20°F/hr: about 2.7 h |
| 4 x 4 ft | 290 | 2,670 lb | 26°F/hr: about 2.1 h | 46°F/hr: about 1.2 h | 15°F/hr: about 3.6 h |
| 5 x 3 ft | 335 | 3,113 lb | 45°F/hr: about 1.2 h | 29°F/hr: about 1.9 h | 13°F/hr: about 4.2 h |
| 5 x 4 ft | 467 | 4,250 lb | 32°F/hr: about 1.7 h | 28°F/hr: about 1.9 h | 9°F/hr: about 6 h |
| 6 x 3 ft | 495 | 4,554 lb | 30°F/hr: about 1.8 h | 27°F/hr: about 2 h | 9°F/hr: about 6 h |
| 6 x 4 ft | 686 | 6,195 lb | 22°F/hr: about 2.5 h | 19°F/hr: about 2.8 h | 6°F/hr: about 9 h |
| 7 x 3 ft | 683 | 6,177 lb | 22°F/hr: about 2.5 h | 19°F/hr: about 2.8 h | 6°F/hr: about 9 h |
| 7 x 4 ft | 947 | 8,455 lb | 16°F/hr: about 3.4 h | 14°F/hr: about 3.9 h | 5°F/hr: about 10.8 h |
| 8 x 3 ft | 902 | 8,136 lb | 17°F/hr: about 3.2 h | 15°F/hr: about 3.6 h | 5°F/hr: about 10.8 h |
| 8 x 4 ft | 1,251 | 11,110 lb | 12°F/hr: about 4.5 h | 11°F/hr: about 4.9 h | 3°F/hr: about 18 h |
Rates and weights are from Snorkel’s Tub Sizing and Heating Rates pages (March 2026). The wood-fired column is the best stove Snorkel lists for each size. On 5 ft tubs, the smaller Scuba stove manages 22°F an hour (5x3) and 16°F an hour (5x4), about half the Snorkel stove’s rate, which matches Snorkel’s FAQ saying the Snorkel stove heats about twice as fast. The hours are our math at a steady rate. Real fires start slow, and a cold wind or wet wood stretches every number.
Two things stand out. First, a good submerged stove is not the slow option. Snorkel’s 45°F an hour on 335 gallons works out to roughly 126,000 BTU an hour reaching the water (335 gallons × 8.34 lb × 45°F), which lines up with the stove’s 120,000 BTU rating. Second, the electric column explains why plug-in cedar tubs are usually kept hot around the clock instead of heated from cold. Heating a 495-gallon 6x3 from 50°F to 104°F takes about 223,000 BTU, roughly 65 kWh, or about $11.90 of electricity at the U.S. average residential price of 18.16 cents per kWh (EIA, August 2026), before any heat loss. A wood-fired tub replaces that bill with firewood and your time. For the electric side of that math, see our hot tub running cost guide.
The best wood-fired hot tubs, picked
1. Snorkel cedar hot tub with the Snorkel stove — Best overall
- Snorkel Hot Tubs of Seattle says the original Snorkel stove was patented as the first submersible wood-fired hot tub stove. The current stove is powder-coated marine-grade aluminum rated at 120,000 BTU per hour. Snorkel says the coating protects it from the calcium and magnesium in many water supplies, which can corrode bare aluminum.
- The firebox takes standard 16 in firewood and logs up to 26 in long laid flat. The stove needs at least 30 in of water, so it's for Snorkel's 3 ft and 4 ft tall barrels (31 in and 43 in of water), not stock tanks.
- Sizes run from 4 to 8 ft across. Snorkel's own seat counts for wood-fired tubs are lower than for its powered tubs because the stove takes up room: a 6 ft tub seats 3–4 adults wood-fired vs. 4–6 powered, and an 8 ft tub seats 6–7 vs. up to 10.
- Snorkel says 90% of its customers assemble the barrel themselves from the kit. It will pre-assemble at extra cost. Orders need a 50% deposit, lead times run from a few days to 4–6 weeks, and Snorkel offers a 60-day money-back guarantee on hot tubs, barrels and complete heating systems.
- Warranty: 5 years on the wood tub and wooden accessories. The stoves are guaranteed leak-free for 5 years, which Snorkel says is not a 5-year warranty for other defects. Damage from firing a stove with too little water isn't covered.
2. Snorkel Scuba stove — Best for small tubs and stock-tank builds
- The Scuba is Snorkel's smaller stove, made for tubs 5 ft across or smaller. Snorkel's chart lists 36°F an hour in a 209-gallon 4x3 barrel, about 1.5 hours from a 50°F fill to 104°F by our math.
- It's the stove to look at if you want to convert a galvanized stock tank. Snorkel says the Scuba needs just 20 in of water and fits most stock tanks, while the full Snorkel stove won't fit any standard stock tank.
- The firebox takes 16 in firewood and logs up to 21 in flat. In a 5 ft barrel it heats at about half the Snorkel stove's rate (22°F vs. 45°F an hour in a 5x3), so pick the bigger stove if you plan to fill from cold often.
- A stock tank has no insulation and no seat, so budget for a cover and a floating thermometer. Plug-in temperature controllers like the ones in our hot tub thermostat guide only work with an electric heater. A fire has no switch for them to turn off.
3. LeisureCraft Starlight — Best value with a published price
- Part of Dundalk LeisureCraft's Canadian Timber Collection. The interior is lined with 5052 aluminum and the outside is clad in white cedar, with western red cedar backrests and flooring, according to The Sauna Place's listing.
- LeisureCraft says the 233-gallon tub heats in under three hours with its internal wood-burning heater, and that its insulated covers hold warmth for up to twelve hours between sessions.
- Every LeisureCraft tub ships assembled and ready to fill, with a floor drain that takes a standard garden hose. The Starlight's crate weighs 701 lb (model CT372W).
- The water touches aluminum, not cedar, so LeisureCraft's note that cedar tannins can tint the water applies to its traditional cedar tubs rather than this one. It's the cheapest wood-fired tub we found with a price you can see without a quote.
4. LeisureCraft Evolution Cedar Tub — Best easy-clean cedar tub
- A cedar shell with a 3/8 in HDPE plastic liner inside. LeisureCraft says that makes cleaning easier and leaks "aren't a concern," and that it heats in about 2 hours, the fastest in its range.
- Order it without the heater and LeisureCraft says it works as a cold plunge. See our hot tub and cold plunge guide if you want both in one yard.
- Pricing goes through LeisureCraft's dealer network. LeisureCraft covers its own products with a 5-year residential limited warranty from the date the first owner receives the tub.
5. LeisureCraft Original Cedar Hot Tub — Best classic all-cedar tub
- LeisureCraft's traditional design, which it says has been part of Canadian cottage life for over two decades. It's all western red cedar, with an internal aluminum wood-burning heater behind a stainless steel shield so bathers can't touch hot surfaces.
- It comes in 5 ft (152 cm), 6 ft (182 cm) and 7 ft (214 cm) diameters, seating three to five, and reaches soaking temperature in under three hours, per LeisureCraft.
- Expect cedar care. LeisureCraft says unfinished cedar weathers to silver-grey without losing durability, and recommends a penetrating exterior finish such as Livos if you want to keep the original color.
6. Almost Heaven Sindri Soak Tub — Best turnkey Nordic-style tub
- The least expensive of Almost Heaven's four wood-fired soak tubs. Almost Heaven says it needs no electricity, gas, pumps or filtration, and that the heated water circulates on its own.
- Almost Heaven lists Thermowood (heat-treated timber) as the lumber, and the price includes the heater, cover and step.
- Almost Heaven describes itself as a member of the Harvia family, the Finnish sauna-heater maker, so it's a natural match if you already own or plan a barrel sauna. Our hot tub vs. sauna comparison covers how the two differ.
7. Almost Heaven Kirami Soak Tub — Best Finnish-made pick
- Kirami is the Finnish hot tub maker that Almost Heaven sells in the U.S. Kirami says it's a family company founded in 2001 and part of the Harvia Group since May 28, 2021, and it calls itself the world's largest hot tub manufacturer.
- Kirami says its heaters are made of marine aluminum, and it also sells a hybrid model that combines wood and electric heating.
- It has the longest wait of Almost Heaven's tubs: an expected 6–10 weeks before it ships by flatbed.
8. Almost Heaven Legend Soak Tub — Best for hot-and-cold use
- Almost Heaven pitches the Legend for both cold plunges and hot soaks: fill it and use it cold, or light the firebox and it's ready "in just a couple of hours," with a self-circulating system.
- The most expensive tub in this guide. The Serenity ($11,798.99, also 4–6 people) is the same no-power, heater-cover-and-step package for $1,751 less.
- Both ship by flatbed with a 2–4 week expected lead time, per Almost Heaven.
Water care: the brands don’t agree
A wood-fired tub has no filter or circulation pump, so most owners treat the water more like a bath than a spa.
- Snorkel’s three methods: “Japanese style” (everyone washes first, no chemicals, change the water every 1–2 weeks); ions plus a chlorine or non-chlorine oxidizer (water lasts 1–2 months, back in about 15 minutes after dosing); or liquid or granular chlorine (water lasts 2–3 months, up to 24 hours before you can get back in). Snorkel says not to use the chlorine pucks sold for pools.
- LeisureCraft’s routine: many owners use the tub a few times, then drain and refill. LeisureCraft says to drain and rinse whenever the water turns cloudy or smells.
- On bleach, they disagree. Snorkel suggests scrubbing the empty tub with an 8:1 water-to-bleach solution (or 4:1 hydrogen peroxide) at each water change. LeisureCraft says to avoid bleach and harsh chemical cleaners and use mild soap and a soft cloth. Follow your own tub’s maker. If you do sanitize, our hot tub sanitizer guide explains the options.
- Tea-colored water is normal in cedar. Snorkel says tannins leach out of the wood most during the first 12–18 months.
Safety: no thermostat means you are the thermostat
An electric spa stops heating at its set point. A fire doesn’t. The CPSC recommends a maximum of 104°F, and a wood-fired tub will go past that if you keep feeding the stove. Keep a floating thermometer in the water (see our hot tub thermometer picks), stop adding wood a few degrees short of your target, and stir before anyone gets in. LeisureCraft says to check the water temperature before entering and mix the water to an even temperature. Snorkel advises keeping young children’s water at 95–98°F or lower and says children under 5 should generally avoid hot tubs. Our hot tub temperature guide has the full range by age and health.
Never light a submerged stove without the minimum water level, and never drain the tub while the stove is burning or still hot. LeisureCraft says never to run its heater without the proper amount of water, and Snorkel says low water can warp or melt a stove and excludes that damage from its warranty. Check local burn rules and chimney clearances before you build.
Winter, covers and lifespan
- Freezing is the big risk. Snorkel says a full tub that freezes solid is likely to be damaged. Let no more than a couple of inches of ice form, or drain to about 6 in of water if the tub will sit unattended. LeisureCraft says to drain the tub, drain assembly and fittings completely if you won’t use it in freezing weather. Our winterizing guide covers the general steps.
- Pick an insulated cover. Snorkel rates its insulated vinyl cover ($550–$775) at R-16 and says its cedar cover ($545–$1,500) mainly keeps debris out and does little to hold heat. A floating foam cover costs $130–$180.
- Cedar lasts 15–20 years. That’s Snorkel’s typical figure, with some tubs replaced after 35 years. Plan a tune-up every 5–7 years to dry the barrel and re-tighten the bands. Snorkel says its stoves often last 40 years or more and can move to a new tub.
- Keep it full. Snorkel says cedar tubs wear least when left full and saturated, so drain for winter only if freezing is a concern.
Who should skip a wood-fired hot tub
If you want a 104°F soak every evening with no planning, an electric tub is the better buy: a plug-and-play hot tub stays hot on a standard outlet, and an inflatable hot tub costs a fraction as much. Skip wood fire too if your area has frequent burn bans, if the tub would sit under trees or eaves without chimney clearance, or if the only spot is a deck that can’t carry 3,000 lb or more.
The bottom line
Buy a Snorkel tub with the full Snorkel stove if you want the fastest wood-fired heat-up with published numbers to back it: about 1.2 hours from a 50°F fill in a 5x3 tub on Snorkel’s own chart, about 3.5 times the 10 kW electric rate. Choose the Scuba stove for a 4–5 ft barrel or a stock tank. The LeisureCraft Starlight is the value pick at $7,390, assembled and aluminum-lined so there’s no cedar to swell or stain the water. The Evolution is LeisureCraft’s easy-clean cedar option. If you want a matched set with a Harvia sauna, Almost Heaven’s soak tubs are the turnkey route at $10,620.99 to $13,549.99. Whichever you buy, the floating thermometer matters more than the stove.
Sources (checked November 4, 2026): snorkel.com wood-fired hot tub, Tub Sizing, Heating Rates (March 20, 2026), FAQ, warranty, tub configurator and Stove and Fence Kit pages; leisurecraft.com hot tub collection, product, care and warranty pages; The Sauna Place listing for the LeisureCraft Starlight; almostheaven.com product listings for the Sindri, Serenity, Kirami and Legend soak tubs; kirami.com company and heater information; CPSC spa temperature guidance; U.S. EIA average residential electricity price (August 2026). Heat-up times, BTU conversions and electricity costs are our calculations from those figures.