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Sauna One

Cozy Heat OG Thru-Wall Sauna Stove

Cozy Heat OG Thru-Wall Sauna Stove

Wood Burning Sauna Stove, Up to 18kW

Model: COZY OG-TW

SKU: 4745010348082

The Cozy Heat OG TW is an authentic wood-burning sauna stove hand-made in Estonia with through-the-wall design, so the firebox can be filled from outside your sauna. Wood-fired sauna stoves create a mild and long-lasting heat. Designed for pouring water over hot stones for an intense steam and a more satisfying sauna experience.

  • 12kW - for saunas from 210 to 423 cu.ft.
  • 18kW - for saunas from 318 to 636 cu.ft.

Sauna stones sold separately

$1,985.00 USD
$1,985.00 USD
Sale Sold out
Tax included.
Kilowatt
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  • Description
  • Features
  • Includes
  • Specifications
  • Technical

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!

  • 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:
  • Stone Requirements:
  • 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

ModelCozy OG Thru-Wall 12
Kilowatt Rating12kW
Primary FuelWood
Maximum Firewood Length2.99" (329mm)
Diameter of Firewood3.14" to 4.72" (80mm-120mm)
Minimum Cubic Feet210 Cu. Ft.
Maximum Cubic Feet423 Cu. Ft.
Minimum Room Height72" (1828mm)
Flue Connection LocationTop
Heater Weight139 lbs
Shipping Weight with Sauna Stones404 lbs
Safety Distance Front to Back56.09" (1425mm)
Safety Distance Right to Left34.05" (865mm)
Stove Depth27.36" (695 mm)
Stove Width19.60" (498 mm)
Stove Height27.91" (709 mm)
ModelCozy OG Thru-Wall 18
Kilowatt Rating18kW
Primary FuelWood
Maximum Firewood Length15.74" (400mm)
Diameter of Firewood3.14" to 4.72" (80mm-120mm)
Minimum Cubic Feet317 Cu. Ft.
Maximum Cubic Feet635 Cu. Ft.
Minimum Room Height82" (2096mm)
Flue Connection LocationTop
Heater Weight199 lbs
Shipping Weight with Sauna Stones551 lbs
Safety Distance Front to Back60.42" (1535mm)
Safety Distance Right to Left40.74" (1035mm)
Stove Depth31.69" (805 mm)
Stove Width22.04" (560 mm)
Stove Height29.72" (755 mm)

Installation and Operation Manual