Harvia Virta Pro 20 kW Electric Sauna Heater (208V, 3 Phase)

Up to 1130 ft 3
Warranty: Up to 3 years

Harvia Virta Pro 20 kW Electric Sauna Heater (208V, 3 Phase)

The Harvia Virta Pro 20 kW is a professional-grade electric sauna heater engineered for large commercial saunas in spas, hotels, wellness centers, apartment buildings, and high-demand residential installations. Built in Finland, it combines heavy-duty construction with consistent, efficient heating for extended daily operation.

With a massive 264 lb (120 kg) stone capacity, the Virta Pro 20 delivers stable, even heat and rich steam (löyly) for bigger sauna rooms. Its heating elements are divided into two groups, allowing efficient load distribution, improved heat-up time, and reliable performance in demanding environments.

The heating elements are separated from the stones, which improves airflow, enhances durability, and extends element lifespan — a critical feature in commercial environments where uptime matters.

A front-mounted maintenance hatch provides direct access to electrical components. If servicing is required, the heating elements can be replaced without removing the stones, minimizing downtime.

This model requires a Harvia control unit (sold separately), such as Harvia Xenio CX45-U1-U3-XW or the newer Harvia Fenix Smart Wi-Fi Control (FX45-U1-U3-XC). Fenix connects to the MyHarvia 2 app; free Core features include remote monitoring + notifications, and full remote control is available via an optional one-time Control upgrade ($134.99) (no subscription; eligible products include a 3-month trial).

This heater also requires the Harvia LTY45-U1-U3 power extension unit for proper operation.

⚠️ Control unit, power extension unit, and sauna stones sold separately.

  • Two heating banks for efficient power distribution and quick heating
  • Heating elements are separated from the stones for longer lifespan
  • Front access hatch allows easy maintenance and quick element replacement
  • Freestanding design with durable black steel housing
  • Made in Finland for professional and residential use
  • ETL Listed (CSA & UL)
  • Warranty: Up to 3 years for residential use (2 years + 1 year with registration)
Model HL20U3
Sauna Room Size 354–1130 ft³ (10–32 m³)
Stone Capacity 264.6 lb (120 kg), Ø 10–15 cm
Heater Dimensions 33″ W x 20″ D x 35″ H (838 x 508 x 889 mm)
Electrical Voltage: 208 V, 3-phase
Breaker: 2 × 30 A, 3-pole breakers
Wire: 6 x 8 AWG copper, 90 °C insulation

Disclaimer: Bsaunas Inc. is not responsible for any electrical work. Installation must be completed by a licensed electrician in accordance with local electrical codes and the manufacturer’s installation manual.

  • Harvia Xenio/Fenix control units (touch pad and power unit) must be installed in a room that does not go below 0 °C (32 °F). For outdoor saunas, they’re usually placed inside the house, with cables running up to 80 ft (24 m) to the sauna. Beyond that distance, there’s a risk of inaccurate readings or malfunction.

    Harvia Fenix Wi-Fi Control uses the MyHarvia 2 app. Core features are included for free (remote monitoring + notifications). Full remote control requires an optional one-time Control upgrade ($134.99) (no subscription; eligible products include a 3-month trial).

  • Choose Sauna Accessories
    Thermometers
    Clocks and Sand Timers
    Pails and Ladles
    Sauna Rests
    Miscellaneous
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Harvia Virta Pro 20 kW Electric Sauna Heater (208V, 3 Phase)

$4,576.00

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