Harvia HGS
Harvia HGS
Harvia HGS
Harvia HGS
Harvia HGS

Harvia HGS Steam Generator

Harvia HGS is a compact steam generator range covering four outputs from 4.5 to 10.8 kW. HGS45, HGS60, HGS90 and HGS110 serve steam rooms from 2 to 21 m³, subject to wall construction and ventilation. The system is operated through its dedicated external control panel.

Choose HGS45 for 2–7 m³, HGS60 for 2–11 m³, HGS90 for 3–17 m³, or HGS110 for 6–21 m³; final sizing must follow the applicable wall-construction and ventilation row.

Explore our full range of sauna steam generators, or browse matching sauna accessories to complete your setup. For custom requirements, learn more about ROC Sauna Solution.

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Technical Specifications

Detailed performance data for all available models in the Harvia HGS Steam Generator series.

Specification HGS45 HGS60 HGS90 HGS110
Model HGS45 HGS60 HGS90 HGS110
Power (KW) 4.5 5.7 9 10.8
Dimensions (mm) 520x196x411 520x196x411 520x196x411 520x196x411
Room Volume (m³) for Thin Walls (e.g., plastic panels) With Ventilation 2-5 2.5-8 6-12 10-14.5
Room Volume (m³) for Thin Walls (e.g., plastic panels) Without Ventilation 2-7 3.5-11 9-17 15-21
Room Volume (m³) for Tiled Thin Walls With Ventilation 2-4 2-6 4.5-10 8-12
Room Volume (m³) for Tiled Thin Walls Without Ventilation 2-6 3-9 7.5-14 12-17
Room Volume (m³) for Stone/Brick Walls With Ventilation 2-3.5 2-5 3-8 6-10
Room Volume (m³) for Stone/Brick Walls Without Ventilation 2-4.5 2-7.5 6-11.5 10-14
Steam Output 5.5 7.6 12 14.6
400V 3N~ Cable (mm²) 5x1.5 5x1.5 5x2.5 5x2.5
400V 3N~ Fuse (A) 3x10 3x10 3x16 3x16
230V 1N~ Cable (mm²) 3x6 3x6 -- --
230V 1N~ Fuse (A) 25 25 -- --
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Frequently Asked Questions

Which models and power ratings are published for the Harvia HGS Steam Generator?

4 published models: HGS45 = 4.5 kW; HGS60 = 5.7 kW; HGS90 = 9 kW; HGS110 = 10.8 kW.

What steam room size does the Harvia HGS Steam Generator support?

The published ratings run from about 2 m3 up to 21 m3 depending on the model, the wall material (thin panel, tiled or stone/brick) and whether the room is ventilated. The full sizing matrix is in the specification table above.

How big is the Harvia HGS Steam Generator unit?

All published models share the same housing: 520x196x411 mm.

How do I choose the right Harvia HGS Steam Generator model?

Match your steam room volume and wall type against the published table above; heavier walls and ventilation raise the power you need. For hotel or spa projects, reach out via the quote form on this page and our team will help you directly.