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Cozy Heat Thru Wall Sauna Heater
Cozy Heat

Cozy Heat Thru-Wall Wood Burning Sauna Stove

$1,790.00 - $2,675.00
$1,790.00
$1,790.00 - $2,675.00
$1,790.00
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Cozy Heat Thru-Wall Sauna Heater - Wood-Burning Sauna Stove

The Ultimate Traditional Sauna Experience – With Convenient Thru-Wall Design

Cozy Heat Thru-Wall Wood Burning Sauna Stove

Want a truly authentic sauna experience without the mess of firewood inside your sauna? The Cozy Heat Thru-Wall Sauna Heater offers the perfect solution. This handcrafted wood-burning sauna stove is designed and built in Estonia, where saunas are a way of life.

Its thru-wall design lets you load firewood from outside the sauna room, keeping your space clean and uncluttered while still delivering mild, long-lasting heat and luxurious steam.

Built for efficiency, this wood-fired sauna stove burns up to 40% less wood than comparable models and meets strict German BIMSCH emissions standards—producing smoke that is up to 6x cleaner.

Whether you're outfitting a backyard retreat, cabin, or off-grid sauna, this stove is built for lasting performance and an unmatched sauna experience.

Cozy Heat Cozy Series Thru-Wall Sauna Heater Features

  • Thru-Wall Firebox for Clean, Tidy Sauna Space: Load firewood from outside the sauna to keep ash, debris, and mess away from your relaxation zone.
  • Efficient Wood-Burning Heat: Provides deep, radiant warmth while allowing you to ladle water over stones for a traditional steam sauna experience.
  • Durable Steel Construction: Crafted from 5mm-thick stainless steel, including a reinforced flame cutter for long-lasting durability.
  • Highly Fuel-Efficient Design: Burns 25-40% less wood than comparable stoves, saving time and fuel.
  • Eco-Friendly Operation: Meets German BIMSCH certification, ensuring 6x cleaner smoke emissions for an environmentally responsible sauna.
  • Minimal Safety Clearance Requirements: Compact and efficient design allows for safer installation in smaller sauna spaces.
  • Two Power Options for Different Sauna Sizes
    • 12kW Model: Heats saunas from 210 to 423 cu. ft.
    • 18kW Model: Heats saunas from 317 to 635 cu. ft.
  • High-Quality Sauna Stone Capacity (Sold separately)
    • 12kW Model: Requires at least 265 lbs of stones.
    • 18kW Model: Requires at least 353 lbs of stones.
    • Additional stones are recommended to ensure the best heat retention and steam production.
  • Included: Comes with a chimney pipe, heater body, cleaning hatch, glass door, ash box, and a detailed operation manual for easy setup.

Cozy Heat Thru-Wall Sauna Heater Specifications

Cozy 12 Thru-Wall Model:

  • Power Output: 12kW
  • Sauna Room Size: 210 - 423 cu. ft.
  • Firewood Length: Up to 12.95" (329mm)
  • Firewood Diameter: 3.15" - 4.72" (80-120mm)
  • Weight: 126 lbs (Shipping Weight with Stones: 368 lbs)
  • Dimensions: 25.98" D x 16.92" W x 27.55" H
  • Safety Distances: 54.71" front-to-back, 32.67" left-to-right
  • Flue Connection: Top

Cozy 18 Thru-Wall Model:

  • Power Output: 18kW
  • Sauna Room Size: 317 - 635 cu. ft.
  • Firewood Length: Up to 15.74" (400mm)
  • Firewood Diameter: 3.15" - 4.72" (80-120mm)
  • Weight: 185 lbs (Shipping Weight with Stones: 537 lbs)
  • Dimensions: 30.51" D x 19.68" W x 29.76" H
  • Safety Distances: 71.06" front-to-back, 39.56" left-to-right
  • Flue Connection: Top

Warranty: 2 Years

Download the Installation and Operation Manual

Enjoy the convenience of a thru-wall wood-burning sauna heater while experiencing the authentic heat and steam of a traditional sauna. 

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