Kastor Karhu
The stunning Karhu from Kastor is the ultimate in CE-marked wood burning sauna heaters for the home
Part of a range of intelligent wood burning sauna heaters from Kastor, the Karhu offers everything you could ever need for pure home sauna enjoyment. With an extensive range of sizes this remarkable heater can warm a domestic or commercial sauna from as small as 8m3 right up to a substantial 37m3 with complete ease.
With the Kastor Karhu you get everything you need for the perfect sauna, however there are a range of extensions such as the Karhu Pata water tank, protective wall element and base. Stunning to look at with brushed steel two-tone finish, the Karhu heater is designed to burn as little wood as possible to extract the maximum heat.
Technical information for this wood burning sauna heater
Brand | ![]() |
Product name | Karhu |
Product type | Wood burning sauna heater |
Water tank | Available as accessory |
Usage type | Home |
Available finishes | Dark grey |
Control panel | N/A |
Relay box | N/A |
Installation type | Floor standing |
Product variations | PK 12, PK 16, PK 18 ES, PK 20, PK 20 V, PK 27, PK 27 V, PK 37, PK 37 V |
Power output | 16-29kw (see instructions) |
Sauna size | 8-37m3 (see instructions) |
Product size (WxHxD) | Various (see instructions) |
Sauna stones | 35-90kg |
Min. distance from wall | Various (see instructions) |
Min. ceiling height | Various (see instructions) |
Additional innovations | CE-marked heater, adjustable legs |
Warnings | Do not place on burning material without a protective base |
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Prices for all products are on application. Discounts available for supply only customers.