Cozy Heat Thru-Wall Sauna Heater
Best wood-burning heater for homeowners seeking efficient, authentic sauna experiences.
This Estonian-crafted stove brings the authentic ritual of wood-fired heat into your home without the mess of indoor loading. By venting through the wall, you trade the traditional interior fire-tending for a cleaner, more efficient burn that keeps your sauna sanctuary pristine.
$1790.00
at
Cottage Spas
Who it's for
- Sauna owners heating large, spacious cabin environments
- Users wanting a clean, smoke-free sauna interior
- Traditionalists seeking an authentic, rustic sensory experience
Who should skip it
- Convenience-seekers preferring low-maintenance, plug-and-play operation
- DIY homeowners lacking specialized venting and fire safety expertise
- Precision-focused bathers requiring exact, steady temperature control
Performance breakdown
Thermal Efficiency
Advanced combustion design significantly reduces fuel consumption compared to standard heaters.
Operational Convenience
External loading keeps the sauna clean and free of wood debris.
Build Quality
Heavy-duty steel construction ensures long-term durability in high-heat environments.
Environmental Impact
Cleaner smoke emissions make this a responsible choice for wood-fired heating.
Heat Quality
Massive stone capacity provides a soft, consistent, and long-lasting radiant heat.
Installation Flexibility
Minimal safety clearances allow for easier integration into smaller sauna layouts.
Key Specs
Heating Capacity
18.0 kW
Mounting Type
Floor Standing
Stone Capacity
265 lbs
Housing Material
Powder Coated Steel
Exterior Material
Powder Coated Steel
Heating Element Material
Stainless Steel
Warranty Length
2 years
Power Source Type
Wood Burning
Control Type
Built-in Mechanical
Construction Material
Steel with 5mm stainless steel flame cutter
Know before you buy
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