Harvia Pro 20 SL Sauna Stove
Best wood-burning heater for those wanting dual-room ambiance and authentic steam.
This stove brings the raw, authentic heat of a Finnish wood-fired sauna into your home with the added luxury of a fireplace view. By feeding the fire from an adjacent room, you gain a cozy hearth for your living space while keeping the mess and maintenance strictly outside the steam room.
$1781.00
at
Saunastore
More Pro Series options
Who it's for
- Sauna owners prioritizing a clean and debris-free interior space
- Users seeking a durable heater built for long-term reliability
- Efficiency-minded bathers wanting rapid heating with minimal wood consumption
Who should skip it
- Homeowners preferring low-maintenance heating solutions over manual cleaning
- People with limited floor space or tight sauna layouts
- Bathers who prefer the convenience of automated temperature control
Performance breakdown
Steam Quality
Generates a thick, traditional löyly that defines the authentic Finnish experience.
Heating Efficiency
Powerful 24.1kW output ensures rapid temperature rise for medium-sized sauna rooms.
Dual-Room Utility
Exterior feed design effectively bridges sauna heat with cozy fireplace ambiance.
Build Durability
Robust construction and cast-iron framing promise years of reliable, heavy-duty service.
Stone Capacity
Large stone reservoir provides consistent heat retention and smooth steam release.
Operational Ease
Mechanical controls are straightforward, though wood-burning requires active manual maintenance.
Key Specs
Heating Power Rating
24.1 KW
Recommended Sauna Volume
283 CF to 706 CF
Dimensions
430mm W x 730mm D x 760mm H
Heater Weight
69.85 kg (154 lbs)
Maximum Firewood Length
350mm
Stone Capacity
88.0 lbs
Mounting Type
Floor Standing
Control Type
Built-in Mechanical
Power Source Type
Wood Burning
Warranty
2 years limited
Know before you buy
Still have a question?
Ask Metto anything about the Harvia Pro 20 SL Sauna Stove before you decide.
