Sauna Heaters
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Harvia
Finnish-made electric and wood-burning heaters with a model for almost every room size, from compact wall-mounted units to traditional stoves.
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HUUM
Estonian-designed electric and wood-fired heaters with a sculptural, open-stone look and app-based control. We are a fully authorized HUUM dealer.
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Saunum
Estonian heaters engineered to move heat and steam around the room, so bench level and head height warm up together. We are the number one Saunum dealer in Wisconsin.
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Finsauna
Straightforward, well-built electric heaters with a model for home, cabin and club-sized rooms.
Choosing the Best Heat for Comfortable Sauna Sessions
We stock four brands and can talk you through all of them in the showroom.
Harvia is the Finnish name most buyers already recognize, and the range covers a wide spread of room sizes. The KIP is a wall-mounted electric heater for smaller rooms, quick to heat and easy to fit where floor space is tight. The Cilindro holds a tall column of stones for softer, steadier steam and suits medium and larger rooms. On the wood-burning side, the M3 is the straightforward stove for cabins and outdoor builds, and the Legend carries a much larger stone load for the deep, rolling steam that traditionalists are after. Controls run from a simple dial through to Wi-Fi options depending on the model.
HUUM heaters are designed in Estonia and are the most design-led part of our range. The Drop is a compact, rounded electric heater suited to smaller home saunas, while the Hive holds a much larger volume of stones for softer, longer-lasting steam in bigger rooms. Both can be paired with the HUUM UKU controller, which adds Wi-Fi and app control so you can start the sauna before you get home. As a fully authorized dealer we can help with sizing, electrical requirements and stone selection.
Saunum is also Estonian, and the Air series is built around evening out the climate inside the sauna. Rather than leaving the hottest air trapped at the ceiling, the heater moves heat and steam through the room so the temperature at bench level is much closer to the temperature at head height. The Air Perfect is the model we recommend most often and the Air L suits larger rooms. We are the number one Saunum dealer in Wisconsin.
Finsauna covers the practical end of the range with straightforward electric heaters. HomeHeat is aimed at home and cabin saunas, ProHeat steps up for heavier or more frequent use, and Club Heat is built for club and light commercial rooms.
Call us or visit the showroom for help with questions, sizing and choosing the right heater for your sauna.
Brand Comparison: Harvia vs HUUM vs Saunum vs Finsauna
Choosing between the five brands comes down to the size of the room, how traditional you want the steam to feel, and whether you want electric or wood-fired.
| Feature | Harvia | HUUM | Saunum | Finsauna |
|---|---|---|---|---|
| Origin | Finland | Estonia | Estonia | Finland |
| Fuel types stocked | Electric and wood-burning | Electric and wood-fired | Electric | Electric |
| Models We Stock | KIP, Cilindro, M3, Legend | Drop, Hive | Air Perfect, Air L | ProHeat, HomeHeat, Club Heat |
| Design style | Classic Finnish, from compact wall units to traditional stoves | Sculptural, open-stone centerpiece | Column heater with built-in air distribution | Simple, functional cabinet |
| Steam character | Soft, steady steam with quick recovery | Soft and long-lasting, especially the Hive | Even heat from bench level to ceiling | Consistent everyday heat |
| Controls | Dial, wall control unit or Wi-Fi, depending on model | UKU controller with Wi-Fi and app options | Saunum control unit | Built in and Separate Wifi control options |
| Best for | Buyers who want a familiar Finnish name and a model for almost any room | Design-led builds and tech-minded owners | Comfort and an even temperature | Home, cabin and club saunas |
Best Heater for Your Sauna Setup
Not every sauna needs the same heater. Here's how to match heater types to your space:
Recommended: Harvia KIP, HUUM Drop, Finsauna HomeHeat
- Compact footprint
- Quick to reach temperature
- Works well in spare-room and closet conversions
Recommended: Harvia Cilindro, Saunum Air L
- Even heat across the benches
- Space-saving wall and corner mounting
- Comfortable for longer sessions
Recommended: HUUM Hive, Harvia Cilindro
- High stone volume for repeated ladles
- Holds temperature when the door keeps opening
- Suits group sessions
Recommended: Finsauna Club Heat
- Built for back-to-back sessions
- Durable construction
- Talk to us about commercial requirements
Recommended: Saunum Air Perfect
- Moves heat and steam through the whole room
- Evens out the cold feet and hot head problem
- Our favorite heater in the showroom
Recommended: Harvia M3 or Legend, HUUM Hive Wood
- No electrical supply needed
- Deep, authentic steam
- Ideal for off-grid and lakeside saunas
Maintenance and Longevity Tips
Looking after your heater is what keeps a sauna feeling good for years. These tips apply to Harvia, HUUM, Saunum, and Finsauna models alike.
Check Stone Placement Regularly
Stack the stones loosely so air can move between them. Even airflow gives even heat and stops hot spots forming.
Clean Sauna Stones Annually
Take the stones out once a year, rinse off the dust and put them back. Replace any that have cracked, because broken stones dull the steam.
Wipe Exterior Surfaces
A soft cloth and a mild detergent is all the casing needs. Avoid abrasive cleaners on stainless and painted surfaces.
Inspect Connections and Wiring
Have the power connections on electric heaters checked once a year. Anything electrical in a hot, humid room deserves a proper look.
Monitor Rust or Corrosion
Outdoor saunas take more weather. Stainless models hold up well, but a quick seasonal check still pays off.
Follow Heater Break-in Period
A new heater needs a first burn or first heat cycle before normal use. Run it with the ventilation open and no one in the room so the protective coating on the elements or firebox can burn off, and expect a little smell and smoke the first time. Follow the temperature and timing in the manual for your model, because rushing this stage can warp metal and crack stones.
Keep the Air Path Clear
Saunum models rely on moving air through the room, so do not block the heater with benches, backrests or towels.
Schedule a Professional Check-Up
Book a certified technician every few years to get the most life out of the heater.
Sauna Heater Buying Checklist
Before choosing a sauna heater, make sure you’ve considered these key points:
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Make sure the heater’s power rating matches your space.
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Electric or wood-burning?
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Do you prefer soft, gentle steam or quick, intense heat?
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Manual dials, wall controls, or Wi-Fi app compatibility?
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Does the heater fit your sauna’s layout comfortably?
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Minimalist open-stone heater or classic enclosed design?
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Especially important for frequent users.
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Don’t forget to factor in installation costs and any needed accessories.
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For outdoor saunas in the Midwest, durability against seasonal shifts matters.
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Confirm the electrical supply available, or the flue route for a wood-burning stove.