Harvia M3 SL Sauna Stove
Best wood-burning heater for homeowners seeking clean, dual-room sauna heating.
This heater transforms your sauna into a dual-room experience, letting you feed the fire from outside to keep your steam room pristine. You sacrifice the traditional interior fire-tending ritual, but you gain a cleaner, more spacious sauna environment that stays free of ash and debris.
$1416.00
at
Cottage Spas
More M Series options
Who it's for
- Sauna owners prioritizing a clean and debris-free interior
- Quality-focused buyers seeking reliable and long-lasting heating performance
- Traditionalists craving an authentic, sensory-rich sauna atmosphere
Who should skip it
- Homeowners avoiding complex wall construction or renovation projects
- Users preferring the convenience and low maintenance of electric heaters
- People with limited space for firewood storage and fuel management
Performance breakdown
Heating Efficiency
Powerful 16.5kW output ensures rapid, consistent heat for mid-sized sauna rooms.
Operational Convenience
External feed system keeps the sauna interior pristine and ash-free.
Build Durability
Robust steel construction withstands high-heat cycles with long-term reliability.
Ambiance Factor
Cast-iron glass door provides a soothing, authentic wood-burning fire glow.
Installation Flexibility
Adjustable legs simplify leveling on uneven flooring surfaces during setup.
Dual-Room Versatility
Clever design effectively warms both the sauna and the adjacent room.
Key Specs
Heat Output
16.5 kW
Fuel Type
Wood Burning
Recommended Sauna Volume
212 to 459 cubic feet
Material
Steel build with cast-iron glass door
Installation Type
Floor model
Control Type
Built-in Mechanical
Chimney Required
Yes
Steam Generation
Yes
Housing Material
Powder Coated Steel
Mounting Type
Floor Standing
Know before you buy
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Ask Metto anything about the Harvia M3 SL Sauna Stove before you decide.
