• Description
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Cozy Heat O Thru-Wall 18kW Wood Burning Sauna Stove

Description

The Cozy Heat O TW is a through-the-wall wood-burning sauna stove that lets you load firewood from outside your sauna room! Hand-made in Estonia, where sauna is a way of life, this wood-fired sauna stoves is engineered for mild, long-lasting heat. Pouring water over hot stones creates intense steam to further enhance your sauna experience. 

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

    Sauna Stones sold separately.

    Cozy Heat has taken the time-honored craft of building sauna stoves to a higher level. 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. 

    This wood-fired sauna stove is hand-made in Estonia, where sauna bathing is a national tradition.

    Perfect for mild, long-lasting heat, the O TW is designed for pouring water over hot stones to create intense and luxurious steam for a more gratifying sauna experience.

    The Cozy Heat O TW wood-burning sauna stove features a through-the-wall design that lets you load firewood from outside your sauna. At the heart of the Cozy Heat O TW is its innovative circular rim design, which not only enhances the heater's aesthetic appeal, but also ensures efficient heat distribution throughout your sauna space.

    Product Features

      • 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 - 318 to 636 cu.ft.
      • Stone Requirements:
        • 12kW - minimum of 265lbs of stones
        • 18kW - 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). 
      • 2-Year Warranty
      • Designed and engineered in Estonia

      What's Included?

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

      Product Specifications

      Cozy Heat O Thru-Wall 18kW Wood Burning Sauna Stove Product Specifications


      Model Cozy O 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 181 lbs
      Shipping Weight with Sauna Stones 533 lbs
      Safety Distance Front to Back 59.43" (1510mm)
      Safety Distance Right to Left 39.75" (1010mm)
      Stove Depth 30.70" (780 mm)
      Stove Width 19.88" (505 mm)
      Stove Height 29.76" (756 mm)

      Product Manual

      Cozy Heat Manual 2024.pdf

      Product Warranty

      Cozy Heat  Products have a 2 year warranty.

      Product FAQs

      N/A

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      At Green Vista Living, we’re passionate about providing top-quality renewable energy and eco-friendly products that not only enhance your life but also help protect the planet. We’ve built our business with one mission in mind: to be the go-to destination for renewable energy solutions, outdoor gear, and off-grid supplies. When you shop with us, you’re not just getting innovative products—you’re joining a community that’s committed to sustainability.

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      Our love for the outdoors and sustainable living runs deep. Most of our team hails from the mountains of Colorado, where renewable energy and the environment are part of daily life. So when you call Green Vista Living, you’ll speak directly with an expert who understands both the technical side of renewable products and the lifestyle they support. Whether you’re looking for solar generators, EV chargers, or any of our eco-friendly offerings, you can trust us to guide you with expertise and passion.

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