Sauna heater brand comparison
Harvia covers the widest range, HUUM and EOS lead on design, Saunum is built around even heat, and Kuuma, IKI and Narvi are the names to know for wood-burning stoves. The tables below put the main facts for each brand in one place.
Brands at a glance
| Brand | Country | Since | Group | Electric | Wood-burning | Other |
|---|---|---|---|---|---|---|
| Harvia | Finland | 1950 | Harvia Group | Yes | Yes | Steam, Infrared |
| HUUM | Estonia | 2013 | Independent | Yes | Yes | None |
| Saunum | Estonia | 2014 | Independent | Yes | No | None |
| Narvi | Finland | 1937 | Independent | Yes | Yes | None |
| IKI | Finland | 1997 | Independent | Yes | Yes | None |
| EOS | Germany | 1970s | Harvia Group | Yes | No | Steam, Infrared |
| Tylö, Helo and Kastor | Sweden / Finland | 1919 | Sauna360 | Yes | Yes | Steam |
| Finnleo | USA | 1984 | Sauna360 | Yes | Yes | Infrared |
| Amerec | USA | Not stated | Sauna360 | Yes | No | Steam |
| Scandia | USA | 1964 | Independent | Yes | No | Gas |
| Kuuma | USA | 1930s | Independent | No | Yes | None |
Phone apps and smart controls
App control is now common, but it almost always depends on buying the brand's Wi-Fi control panel. A basic heater with built-in knobs cannot be upgraded with an app.
| Brand | App | Needs |
|---|---|---|
| Harvia | MyHarvia | Xenio WiFi or Fenix control |
| HUUM | HUUM | UKU control |
| Saunum | Saunum Leil | Saunum control unit |
| Finnleo | SaunaLogic | SaunaLogic2 control |
| Helo, Tylö | Helo Control, Tylö Elite | Elite control |
Published warranties
Warranty terms change and often differ between home and commercial use. These are the residential terms each brand publishes; anything not listed should be confirmed with the dealer.
| Brand | Residential electric heater warranty |
|---|---|
| Scandia | 10-year limited: full cover in year one, parts in years two to ten with some components excluded |
| Amerec | 5 years parts, 2 years labour (US and Canada) |
| Harvia | 2 years, plus 1 year when an electric heater is registered (general terms) |
Best brand for each type of sauna
| Your sauna | Brands to look at first | Why |
|---|---|---|
| Small indoor home sauna | Harvia, Amerec, Finnleo | Compact wall heaters, North American models and many dealers |
| Design-led bathroom or spa | HUUM, EOS, Tylö | Visible heaters built to look good, premium controls |
| Even heat for the whole family | Saunum | Air-mixing unit cuts the gap between ceiling and bench temperature |
| Cabin or cottage with wood heat | Kuuma, IKI, Narvi, Harvia Legend | Large stone mass and stoves built for cold climates |
| No 240 V supply available | Scandia gas | Gas-fired heaters that do not need a 240 V circuit |
Not sure whether to go electric or wood? Read electric vs wood-burning sauna heaters, then size the heater with the sauna heater size calculator.
Questions buyers ask
Which sauna heater brands have a phone app?
Harvia (MyHarvia), HUUM (HUUM app with the UKU control), Saunum (Saunum Leil), Finnleo (SaunaLogic), Helo (Helo Control) and Tylö (Elite) all offer app control. The app usually needs a specific Wi-Fi control unit, not the heater alone.
Which brand has the longest sauna heater warranty?
Among published residential terms, Scandia offers a ten-year limited warranty on its electric heaters, with full coverage in year one. Amerec gives five years on parts and two years on labour in the US and Canada.
Which brands make gas sauna heaters?
Scandia, based in Idaho, makes 40,000 and 80,000 BTU gas sauna heaters. Gas models are rare; most brands make only electric heaters and wood-burning stoves.
Last checked November 8, 2026. Facts come from the brands' own sites and documents. How we check