Harvia Top Steel M90 - Electric Heater

Description

The Harvia Top Steel M90 is a compact and powerful electric sauna heater designed for medium-sized sauna rooms. With a nominal power output of 9 kW, it is suitable for sauna volumes of approximately 5 to 14 m³, making it well suited for private indoor saunas and larger garden sauna cabins with electrical connection.

The heater features a durable stainless steel housing and an open stone compartment, allowing efficient heat transfer and even temperature distribution throughout the sauna. Its clean, functional design supports stable operating temperatures and a balanced, comfortable sauna climate during regular use.

The Top Steel M90 is equipped with integrated mechanical controls, including a thermostat and timer, allowing the heater to be operated directly at the unit without the need for a separate digital control panel. This makes it a practical solution for users who prefer straightforward, on-device control without additional electronics.

With a stone capacity of up to 20 kg, the heater provides sufficient heat storage for consistent temperatures and controlled steam when water is poured over the stones, in accordance with the manufacturer’s guidelines.

Compact in design yet offering increased heating capacity, the Harvia Top Steel M90 delivers a dependable electric heating solution from a well-established Finnish manufacturer for medium-sized private saunas.

Installation & Electrical Notice

Electrical connection and commissioning must be carried out by a qualified electrician in accordance with local electrical regulations and the manufacturer’s installation instructions.
This sauna heater is designed for fixed electrical installation and is not supplied as a plug-in appliance.

Technical Information

Output power: 9.0 kW
Stone capacity: max. 20 kg
Dimensions (H × W × D): approx. 580 × 430 × 280 mm
Weight: approx. 11 kg (without stones)
Materials: stainless steel outer casing, steel internal structure
Water tank: none
Tank heating: not applicable
Control system: integrated mechanical thermostat and timer (no separate digital control unit required)
Electrical connection: fixed electrical installation, professional connection required
Fuel: electric
Heating method: electric resistance heating with integrated temperature and time control
Design: compact wall-mounted design with stainless steel finish
Origin: Made in Finland
Suitability: Designed for medium-sized private saunas, suitable for indoor installations or garden saunas with electrical connection

Delivery & Warranty

Delivery:
The estimated delivery time is shown above on each product page. Shipping costs are calculated at checkout based on the product size and destination. Detailed shipping information and delivery costs can be found here: https://polaris-sauna.ie/shipping-information/

Warranty: This product is covered by a 2-year manufacturer’s warranty for private use. [View warranty & after-sales support]. If you experience any issues, our support team in Greystones, Co. Wicklow, is happy to help with service or replacement.