Cozy Heat SW Thru-Wall Sauna Stove - The Rich Nest

Ships in 5–7 business days. Delivery times may vary slightly depending on your location and carrier availability.

Ships in 5–7 business days. Delivery times may vary slightly depending on your location and carrier availability.

Cozy Heat SW Thru-Wall Sauna Stove

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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. 

Experience the epitome of comfort and style with the Cozy Heat SW-TW wood stove.

Model: Cozy SW-Thru-Wall 12

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: 161 lbs

Shipping Weight with Sauna Stones: 425 lbs

Safety Distance Front to Back: 55.89" (1420mm)

Safety Distance Left to Right: 33.85" (860mm)

Stove Depth: 27.16" (690mm)

Stove Width: 19.29" (490mm)

Stove Height: 32.12" (816mm)

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 Left to Right: 40.54" (1030mm)

Stove Depth: 31.49" (800mm)

Stove Width: 21.65" (550mm)

Stove Height: 34.25" (870mm)

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 thru-wall installation

Sauna Room Sizes:

12kW – 210 to 423 cu. ft.

18kW – 317 to 635 cu. ft.

Stone Requirements:

12kW – Minimum of 265 lbs of stones

18kW – Minimum of 353 lbs 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.)

2-Year Warranty

Designed and engineered in Estonia

  • Outer frame of the heater
  • Chimney pipe 
  • Heater body
  • Cleaning hatch
  • Heater door with glass
  • Ash box
  • Installation and operation manual
  • 2-Year Warranty

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