Cozy Heat OG 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 OG Thru-Wall Sauna Stove

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Cozy Heat has taken the time-honored craft of building sauna stoves to a higher level. This wood-fired sauna stove is hand-made in Estonia, where sauna bathing is a national tradition.

The OG-TW's clever "Through-the-Wall" design lets you load firewood from outside your sauna. Wood-burning sauna stoves produce a mild and long-lasting heat and are designed for pouring water over hot stones to create your perfect amount of steam. 

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. 

Cozy Heat's OG-TW model has an elegant and sophisticated trilateral design that is elegant and sophisticated, elevating the aesthetic appeal of your sauna. With its sleek lines and contemporary finish, this stove complements any sauna decor, creating a luxurious ambiance that beckons you.

Experience the pinnacle of comfort and sophistication with the Cozy Heat OG-TW!

Model: Cozy OG Thru-Wall 12

Kilowatt Rating: 12kW

Primary Fuel: Wood

Maximum Firewood Length: 12.99" (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: 139 lbs

Shipping Weight with Sauna Stones: 404 lbs

Safety Distance (Front to Back): 56.09" (1425mm)

Safety Distance (Left to Right): 34.05" (865mm)

Stove Depth: 27.36" (695mm)

Stove Width: 19.60" (498mm)

Stove Height: 27.91" (709mm)

Model: Cozy OG 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: 199 lbs

Shipping Weight with Sauna Stones: 551 lbs

Safety Distance (Front to Back): 60.42" (1535mm)

Safety Distance (Left to Right): 40.74" (1035mm)

Stove Depth: 31.69" (805mm)

Stove Width: 22.04" (560mm)

Stove Height: 29.72" (755mm)

Artistically inventive design

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

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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