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Harvia Virta HL90E: Specs, Room Size & Circuit
The Harvia Virta HL90E is a 9 kW heater for rooms of 283–494 cubic feet. At 240V it needs a 50 A breaker on 8 AWG copper.
| Power | 9 kW |
|---|---|
| Voltage / phase | 240V / 1-ph |
| Current draw | 37.5 A (calc) |
| Recommended room | 283–494 cf |
| Stone capacity | 110.3 lb |
| Control | wall |
| IP rating | IPX4 |
| Weight | 59.5 lb |
| Warranty | 2 yr |
Specs from the manufacturer source: manual / spec sheet · confidence: med.
Licensed electrician required. This is a reference estimate, not an electrical design. Circuit sizing, GFCI/GFPE requirements, and conductor selection must be verified and installed by a licensed electrician to your local code (NEC and any local amendments take precedence).
What room size?
Rated for 283–494 cf. Glass, cold surfaces, uninsulated walls and outdoor installs raise the requirement, check with the heater-size calculator.
What circuit does it need?
A 9 kW heater at 240V draws 37.5 A → a 50 A breaker with 8 AWG copper on a short run. See breaker, wire & cost for 9 kW ›
Price & where to buy
Not stocked on Amazon, typically sold through the brand or a specialist dealer. Manufacturer page ›