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Choosing the right heater for your sauna

Harvia Top Steel M60

Harvia Top Steel M60

6.0 kW Electric

Best For
First-time sauna owners or outdoor saunas on a budget

Heat-Up Time
~25–45 min (based on 5–8 m³ sauna)
Max Temp Up to 90°C+
Sauna Size 5–8 m³
Power Source 230V 1-phase / 400V 3-phase
Controls Built-in timer & thermostat
Stones ✓ Included (25 kg)
Standout Feature
Compact, affordable & simple – no separate controller needed
Sentiotec Viking

Sentiotec Viking

9.0 kW Electric

Best For
Families, frequent users and larger cabins that need fast, powerful heat

Heat-Up Time
~20–35 min (based on 5–8 m³ sauna)
Max Temp Up to 105°C
Sauna Size 9–14 m³
Power Source 230V 1-phase / 400V 3-phase
Controls Built-in digital control
Stones ✓ Included
Standout Feature
Highest power electric option – heats large spaces fast with serious performance
Harvia M3 Wood-Burning Set

Harvia M3 Wood-Burning Set

13 kW Wood-Fired

Best For
Sauna purists, off-grid setups and anyone who loves the ritual of a real wood fire

Heat-Up Time
~20–50 min (based on 5–8 m³ sauna)
Max Temp Up to 110°C+
Sauna Size 4.5–13 m³
Power Source Wood – no electricity
Controls Manual – real fire
Stones ✓ Included (40 kg) + chimney
Standout Feature
Glass door with flame view – the full traditional Finnish experience, complete package

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