Harvia Glow
Harvia Glow
Harvia Glow
Harvia Glow
Harvia Glow

Harvia Glow Sauna Heater

Harvia Glow is available as TRT70 (6.8 kW) for 6–10 m³ sauna rooms and TRT90 (9 kW) for 8–14 m³ rooms. Both models measure 364 × 364 × 1076 mm; TRT70 weighs 14 kg and holds 80 kg of stones, while TRT90 weighs 15 kg and holds 90 kg. Review the technical specifications below before selecting the model for your installation.

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Technical Specifications

Detailed performance data for all available models in the Harvia Glow Sauna Heater series.

Specification TRT70 TRT90
Model TRT70 TRT90
Power (KW) 6.8 9
Room Volume (m³) 6-10 8-14
Dimensions (mm) 364x364x1076 364x364x1076
Device Weight 14 15
Stone Weight (KG) ø 5-10cm 80 90
Minimum safe distance: A_min (mm) 100 100
Minimum safe distance: B_min (mm) 850 850
Minimum safe distance: C_min (mm) 30 30
Minimum safe distance: D_min (mm) 570 570
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Frequently Asked Questions

Which sauna room sizes does the Harvia Glow Sauna Heater cover?

Published ratings: TRT70 (6.8 kW) suits 6-10 m3 rooms; TRT90 (9 kW) suits 8-14 m3 rooms. Pick the model whose range covers your room volume.

How do I choose between the TRT70 and the TRT90?

The published difference is capacity: TRT70 is 6.8 kW for 6-10 m3 rooms; TRT90 is 9 kW for 8-14 m3 rooms. Measure your sauna in cubic metres and pick the model whose range covers it. If your room falls in an overlap zone, send your exact room details via the quote form and we will size it for you.

How much clearance does the Harvia Glow Sauna Heater need when installed?

Published minimum safe distances in mm: to the side (A_min) TRT70 = 100; TRT90 = 100; to the ceiling direction (B_min) TRT70 = 850; TRT90 = 850. The full installation data is in the specification table above.

Can I buy the Harvia Glow Sauna Heater wholesale for a hotel or spa project?

Yes. As an authorized Harvia distributor we supply this heater to hotels, spas and dealers. For project pricing, reach out via the quote form on this page and our team will help you directly.

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