
Choosing Your Perfect Fit
By Sweet Life Saunas Content
Some like it hot. Others like it infrared. Whether you’re craving steam, glow, or both, your perfect sauna isn’t a trend—it’s a reflection of how you rest, reset, and come...
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Cozy Heat O-TW Wood-Burning Sauna Stove, Up to 18kW - 12kW is backordered and will ship as soon as it is back in stock.
Cozy Heat has taken the time-honored craft of building sauna stoves to a higher level. The part of the wood-burning heater that must be the strongest, the flame cutter, is made of sturdy, 5mm-thick stainless steel making COZY heaters extremely durable.
This wood-fired sauna stove is hand-made in Estonia, where sauna bathing is a national tradition.
Perfect for mild, long-lasting heat, the O TW is designed for pouring water over hot stones to create intense and luxurious steam for a more gratifying sauna experience.
The Cozy Heat O TW wood-burning sauna stove features a through-the-wall design that lets you load firewood from outside your sauna. At the heart of the Cozy Heat O TW is its innovative circular rim design, which not only enhances the heater's aesthetic appeal, but also ensures efficient heat distribution throughout your sauna space.
Cozy Heat Manufacturer's Warranty
Model | Cozy O Thru-Wall 12 |
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Kilowatt Rating | 12kW |
Primary Fuel | Wood |
Maximum Firewood Length | 2.99" (329mm) |
Diameter of Firewood | 3.14" to 4.72" (80mm-120mm) |
Minimum Cubic Feet | 210 Cu. Ft. |
Maximum Cubic Feet | 423 Cu. Ft. |
Minimum Room Height | 72" (1828mm) |
Flue Connection Location | Top |
Heater Weight | 125 lbs |
Shipping Weight with Sauna Stones | 367 lbs |
Safety Distance Front to Back | 55.1" (1400mm) |
Safety Distance Left to Right | 33.06" (840mm) |
Stove Depth | 26.37" (670 mm) |
Stove Width | 17.71" (450 mm) |
Stove Height | 27.55" (700 mm) |
Model | Cozy O Thru-Wall 18 |
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Kilowatt Rating | 18kW |
Primary Fuel | Wood |
Maximum Firewood Length | 15.74" (400mm) |
Diameter of Firewood | 3.14" to 4.72" (80mm-120mm) |
Minimum Cubic Feet | 317 Cu. Ft. |
Maximum Cubic Feet | 635 Cu. Ft. |
Minimum Room Height | 82" (2096mm) |
Flue Connection Location | Top |
Heater Weight | 181 lbs |
Shipping Weight with Sauna Stones | 533 lbs |
Safety Distance Front to Back | 59.43" (1510mm) |
Safety Distance Left to Right | 39.75" (1010mm) |
Stove Depth | 30.70" (780 mm) |
Stove Width | 19.88" (505 mm) |
Stove Height | 29.76" (756 mm) |