Cozy Heat Heaters Cozy Heat SW Thru-Wall Sauna Stove
Cozy Heat Heaters Cozy Heat SW Thru-Wall Sauna Stove
Cozy Heat Heaters Cozy Heat SW Thru-Wall Sauna Stove
Cozy Heat Heaters Cozy Heat SW Thru-Wall Sauna Stove
Cozy Heat Heaters Cozy Heat SW Thru-Wall Sauna Stove
Cozy Heat Heaters Cozy Heat SW Thru-Wall Sauna Stove
Cozy Heat Heaters Cozy Heat SW Thru-Wall Sauna Stove
Cozy Heat Heaters Cozy Heat SW Thru-Wall Sauna Stove
Cozy Heat Heaters Cozy Heat SW Thru-Wall Sauna Stove
Cozy Heat Heaters Cozy Heat SW Thru-Wall Sauna Stove
Cozy Heat Heaters Cozy Heat SW Thru-Wall Sauna Stove
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" (800 mm)
Stove Width 21.65" (550 mm)
Stove Height 34.25" (870 mm)
  • 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

COZY has elevated the art of building wood-fired sauna stoves with the SW-TW, featuring a convenient through-the-wall design that allows you to load firewood from outside the sauna, keeping the interior clean and clutter-free. Handcrafted in Estonia, where sauna bathing is a way of life, these stoves are built for performance, durability, and strength. The flame cutter, made from robust 5mm-thick stainless steel, ensures exceptional durability. Designed to provide mild, long-lasting heat, the SW-TW is perfect for ladling water over hot stones to create a satisfying steam sauna experience. Elevate your comfort and style with the Cozy Heat SW-TW wood stove.

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

Yes, we really do offer FREE shipping! We will send your order at no additional cost to anywhere in the lower 48 states in the US. If you have questions about shipping to Alaska or Hawaii, please contact us through our live chat to discuss options on a custom freight quote.

Cozy Heat SW Thru-Wall Sauna Stove

Cozy Heat Logo
Authorized Dealer
Full Warranty Included
Sale price$1,985.00 Regular price$2,200.00
You Save $215.00 (10% Off)

  • 12kW - For saunas from 210 to 423 cu.ft.
  • 18kW - For saunas from 317 to 635 cu.ft.

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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" (800 mm)
Stove Width 21.65" (550 mm)
Stove Height 34.25" (870 mm)
  • 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

COZY has elevated the art of building wood-fired sauna stoves with the SW-TW, featuring a convenient through-the-wall design that allows you to load firewood from outside the sauna, keeping the interior clean and clutter-free. Handcrafted in Estonia, where sauna bathing is a way of life, these stoves are built for performance, durability, and strength. The flame cutter, made from robust 5mm-thick stainless steel, ensures exceptional durability. Designed to provide mild, long-lasting heat, the SW-TW is perfect for ladling water over hot stones to create a satisfying steam sauna experience. Elevate your comfort and style with the Cozy Heat SW-TW wood stove.

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

Yes, we really do offer FREE shipping! We will send your order at no additional cost to anywhere in the lower 48 states in the US. If you have questions about shipping to Alaska or Hawaii, please contact us through our live chat to discuss options on a custom freight quote.

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FAQ

GENERAL INQUIRIES

We are located in Indianapolis, Indiana.

Yes, we have some great financing options from our partner, Bread Pay. Just choose the monthly payment option at checkout to get started.

SHIPPING

Shipping in the Continental U.S. is free!

Since we carry different brands our products also ship from different locations.  See the list below:

  • Almost Heaven Saunas -  West Virginia
  • Dundalk Leisure Craft - Canada
  • Harvia - Portland
  • Baltic Leisure - Pennsylvania
  • Saunacore - Canada
  • TheraSauna- Iowa

The list below is the current delivery timeline by brand:

  • Almost Heaven Barrel Saunas - 6 to 8 Weeks
  • Almost Heaven Indoor Saunas - 4 to 6 Weeks
  • Amba Products - 1 to 2 weeks
  • Baltic Leisure - 3 to 4 weeks
  • Dundalk Leisure Craft -  Approximately 1 to 2 weeks after the estimated build date
  • Golden Designs Sauna - Within 1 week
  • Saunacore - 2 to 3 weeks
  • TheraSauna - 10 to 12 weeks

We currently do not ship to Alaska but if you are really interested we can request for a custom freight quote.

SAUNA ASSEMBLY

It is an easy assembly. Here is the link to our video gallery for a quick look.

The sauna comes in a crate. You'll need to assemble it but it is a very quick assembly.