Cozy Heat SW Series Thru-Wall Sauna Stove

Cozy Heat SW Thru-Wall Sauna Stove – Wood-Burning Sauna Heater

The Perfect Blend of Convenience, Performance, and Timeless Sauna Tradition

Looking for the ultimate sauna heater that keeps your space clean while delivering exceptional warmth? The Cozy Heat SW Thru-Wall Sauna Stove is the perfect choice. Handcrafted in Estonia, where saunas are an integral part of daily life, this high-efficiency wood-burning sauna stove delivers mild, long-lasting heat while allowing you to pour water over hot stones for a deep, luxurious steam sauna experience.

The thru-wall design allows you to load firewood from outside your sauna, keeping your space clean and free of wood debris. Plus, its sleek cylindrical shape isnt just for aestheticsit also enhances heat distribution, ensuring consistent, even warmth throughout your sauna.

Built formaximum durability, this 5mm-thick stainless steel heater burns 25-40% less wood and meets German BIMSCH emission standards, producing 6x cleaner smoke gases.

Whether youre setting up a backyard sauna, off-grid retreat, or home spa, the Cozy Heat SW Thru-Wall Stove is the perfect combination of elegance, efficiency, and performance.

Cozy Heat SW Thru-Wall Sauna Stove Features

• Thru-Wall Firebox for a Clean Sauna Space: Load firewood from outside your sauna, keeping ash and wood debris out of your relaxation area.
• Sleek Cylindrical Design: A modern, rounded shape enhances both heat circulation and the overall sauna aesthetic.
• Efficient Wood-Burning Heat: Provides deep, consistent warmth, perfect for traditional steam sauna sessions.
• Heavy-Duty Steel Construction: Built with 5mm-thick stainless steel, ensuring exceptional durability and heat resistance.
• Fuel-Saving Performance: Burns 25-40% less firewood than comparable sauna stoves, reducing costs and wood consumption.
• Eco-Friendly Emissions: Meets strict German BIMSCH certification, producing 6x cleaner smoke gases for a healthier sauna experience.
• Minimal Safety Clearance Requirements: Designed for compact sauna spaces, requiring minimal safety distances.
• 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.
• Premium Sauna Stone Capacity
  • 12kW Model: Requires at least 265 lbs of stones.
  • 18kW Model: Requires at least 353 lbs of stones.
  • Additional stones are recommended to ensure optimal 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.

SW Series Thru-Wall Sauna Stove Specifications

Cozy SW Thru-Wall 12 Model:

• Power Output: 12kW
• Sauna Room Size: 210 – 423 cu. ft.
• Firewood Length: 12.95″ (329mm)
• Firewood Diameter: 3.14″ – 4.72″ (80-120mm)
• Weight: 161 lbs (Shipping Weight with Stones: 425 lbs)
• Dimensions: 27.16″ D x 19.29″ W x 32.12″ H
• Safety Distances: 55.89″ front-to-back, 33.85″ left-to-right
• Flue Connection: Top

Cozy SW Thru-Wall 18 Model:

• Power Output: 18kW
• Sauna Room Size: 317 – 635 cu. ft.
• Firewood Length: Up to 15.74″ (400mm)
• Firewood Diameter: 3.14″ – 4.72″ (80-120mm)
• Weight: 236 lbs (Shipping Weight with Stones: 633 lbs)
• Dimensions: 31.49″ D x 21.65″ W x 34.25″ H
• Safety Distances: 60.22″ front-to-back, 40.54″ left-to-right
• Flue Connection: Top

Warranty: 2 Years

Download the Installation Manual.

Upgrade your sauna with a wood-fired heater that blends modern design, traditional performance, and convenient functionality.