





Cozy Heat SW Thru-Wall 18kW Wood Burning Sauna Stove
Cozy Heat SW Thru-Wall 18kW Wood Burning Sauna Stove
Description
With its convenient through-the-wall design, which lets you feed the firebox from outside your sauna, the Cozy SW-TW sets the standard for wood-burning sauna stoves. Hand-crafted in Estonia, where sauna is a tradition. Wood-fired sauna stoves produce a mild and long-lasting heat, and are designed for ladling water over hot stones to create a satisfying steam sauna.Â
- 18kW - for saunas from 318 to 636 cu.ft.
Sauna Stones sold separately.
COZY has taken the craft of building a wood-fired sauna stove to a higher level. The SW-TW’s convenient through-the-wall design lets you feed the firebox from outside your sauna so you don’t need to bring wood into the room.
Cozy Heat’s SW-TW wood-burning sauna stoves are made in Estonia, where sauna bathing is a way of life. Designed for performance and durability and strength. 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 robust.
Wood-fired sauna stoves produce a mild and long-lasting heat and are designed for ladling water over hot stones to create the most satisfying steam sauna.Â
Experience the epitome of comfort and style with the Cozy Heat SW-TW wood stove.
Product Feature
- Wood-burning
- Steel Construction
- Smoke gases are 6x cleaner
- German BIMSCH certificate
- Stove utilizes 25%-40% less fuel than comparable sauna stoves
- Boasts minimal safety distances
- Mild and long-lasting heat
- Floor mount tru-wall
- Sauna room sizes:
- 12kWÂ - 210Â to 423 cu.ft.
- 18kWÂ - 318 to 636 cu.ft.
- Stone Requirements:
- 12kWÂ - minimum of 265lbs of stones
-
18kWÂ - minimum of 353lbs of stones
- Please note that each natural stone is unique in shape and size. We recommend purchasing an additional box of sauna stones to allow you to choose the highest quality of stone for fit, form, and function (Additional freight charges will apply).Â
- 2-Year Warranty
- Designed and engineered in Estonia
What's Included?
- Outer frame of the heater
- Chimney pipeÂ
- Heater body
- Cleaning hatch
- Heater door with glass
- Ash box
- Installation and operation manual
- 2-Year Warranty
Product Specifications
Cozy Heat SW Thru-Wall 18kW Wood Burning Sauna Stove Product Specifications
| Model | Cozy SW-Thru-Wall 18 |
|---|---|
| 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 | 236 lbs |
| Shipping Weight with Sauna Stones | 633 lbs |
| Safety Distance Front to Back | 60.22" (1530mm) |
| Safety Distance Right to Left | 40.54" (1030mm) |
| Stove Depth | 31.49" (800 mm) |
| Stove Width | 21.65" (550 mm) |
| Stove Height | 34.25" (870 mm) |
Product Manual
Cozy Heat Manual 2024.pdf
Product Warranty
Cozy Heat Products have a 2 year warranty.
Product FAQs
N/A
Original: $2,884.50
-65%$2,884.50
$1,009.57Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Cozy Heat SW Thru-Wall 18kW Wood Burning Sauna Stove
Description
With its convenient through-the-wall design, which lets you feed the firebox from outside your sauna, the Cozy SW-TW sets the standard for wood-burning sauna stoves. Hand-crafted in Estonia, where sauna is a tradition. Wood-fired sauna stoves produce a mild and long-lasting heat, and are designed for ladling water over hot stones to create a satisfying steam sauna.Â
- 18kW - for saunas from 318 to 636 cu.ft.
Sauna Stones sold separately.
COZY has taken the craft of building a wood-fired sauna stove to a higher level. The SW-TW’s convenient through-the-wall design lets you feed the firebox from outside your sauna so you don’t need to bring wood into the room.
Cozy Heat’s SW-TW wood-burning sauna stoves are made in Estonia, where sauna bathing is a way of life. Designed for performance and durability and strength. 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 robust.
Wood-fired sauna stoves produce a mild and long-lasting heat and are designed for ladling water over hot stones to create the most satisfying steam sauna.Â
Experience the epitome of comfort and style with the Cozy Heat SW-TW wood stove.
Product Feature
- Wood-burning
- Steel Construction
- Smoke gases are 6x cleaner
- German BIMSCH certificate
- Stove utilizes 25%-40% less fuel than comparable sauna stoves
- Boasts minimal safety distances
- Mild and long-lasting heat
- Floor mount tru-wall
- Sauna room sizes:
- 12kWÂ - 210Â to 423 cu.ft.
- 18kWÂ - 318 to 636 cu.ft.
- Stone Requirements:
- 12kWÂ - minimum of 265lbs of stones
-
18kWÂ - minimum of 353lbs of stones
- Please note that each natural stone is unique in shape and size. We recommend purchasing an additional box of sauna stones to allow you to choose the highest quality of stone for fit, form, and function (Additional freight charges will apply).Â
- 2-Year Warranty
- Designed and engineered in Estonia
What's Included?
- Outer frame of the heater
- Chimney pipeÂ
- Heater body
- Cleaning hatch
- Heater door with glass
- Ash box
- Installation and operation manual
- 2-Year Warranty
Product Specifications
Cozy Heat SW Thru-Wall 18kW Wood Burning Sauna Stove Product Specifications
| Model | Cozy SW-Thru-Wall 18 |
|---|---|
| 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 | 236 lbs |
| Shipping Weight with Sauna Stones | 633 lbs |
| Safety Distance Front to Back | 60.22" (1530mm) |
| Safety Distance Right to Left | 40.54" (1030mm) |
| Stove Depth | 31.49" (800 mm) |
| Stove Width | 21.65" (550 mm) |
| Stove Height | 34.25" (870 mm) |
Product Manual
Cozy Heat Manual 2024.pdf
Product Warranty
Cozy Heat Products have a 2 year warranty.
Product FAQs
N/A


















