Harvia Virta Pro Electric Sauna Heater
Harvia Virta Pro — high-output heater for large and commercial saunas. Available in 16 kW (single-phase) and 20 kW (208V three-phase).
About this heater.
The Harvia Virta Pro delivers commercial-grade output with the refined Virta design, built for large rooms and heavy use. Choose your output below.
16 kW — single-phase; operated with a separate Harvia Xenio CX45 control unit (MyHarvia WiFi optional).
20 kW — 208V three-phase; operated with a separate Harvia Xenio CX170-class control unit (sold separately).
Certification: ETL Listed (Intertek). Finnish-built by Harvia.
Will this heater fit your sauna?
Enter the inside dimensions of your finished sauna for a baseline power check.
Awaiting dimensions
Enter all three inside dimensions to see whether this heater fits.
This check assumes a properly insulated indoor sauna. Glass, tile, stone, concrete, log construction, outdoor exposure and heat loss can increase the output you need. Final selection must follow the heater manufacturer’s published room range and installation manual; electrical work must be completed by a licensed electrician.
Everything required for installation.
In the box
- Harvia Virta Pro Electric Sauna Heater sauna heater unit
- Wall mounting bracket & hardware kit
- Warranty certificate & installation guide
You'll also need
- Sauna stones — sized to capacity
- Electrical supply — dedicated circuit, licensed electrician required
- Control system — wall control and contactor box, required and sold separately (Wi‑Fi control optional)
Premium stones for peak löyly.
Every electric heater needs the right stone mass for stable heat & soft steam. These high-density igneous picks are sized to this Harvia heater.
Controls that pair with this heater.
This Harvia heater is operated by a separate wall control, sold below. The Wi‑Fi models add compatible app control — remote start, scheduling and temperature — from your phone.
Full technical details.
Now available
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