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Explore Our 4kW Sauna Heaters
HUUM Drop Sauna Heater Electric
Original price
$1,599.00
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Original price
$2,099.00
Original price
$1,599.00
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Original price
$2,099.00
Original price
$1,599.00
$1,334.00
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$1,751.00
$1,334.00
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$1,751.00
Current price
$1,334.00
Description A Work of Art That Delivers Perfect Steam Inspired by the purest element in nature—a drop of water—the HUUM DROP is for the sauna owner...
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HUUM STEEL Mini Series 3.5kW Sauna Heater
Original price
$1,899.00
Original price
$1,899.00
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Original price
$1,899.00
Original price
$1,899.00
Current price
$1,576.00
$1,576.00
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$1,576.00
Current price
$1,576.00
Description The compact STEEL Mini 3.5 kW sauna heater, with exceptionally short safety distances, is a wall-mounted model that is especially suite...
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HUUM CLIFF Mini 3.5kW Electric Sauna Heater
Original price
$2,399.00
Original price
$2,399.00
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Original price
$2,399.00
Original price
$2,399.00
Current price
$2,003.00
$2,003.00
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$2,003.00
Current price
$2,003.00
Description The compact CLIFF Mini 3.5 kW sauna heater, with extremely short safety distances, is a wall-mounted model that is especially suited fo...
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Harvia KIP Series Electric Heater with Built-In Time and Temperature Controls (4.5kW/ 6kW/ 8kW)
Original price
$1,399.00
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Original price
$1,499.00
Original price
$1,399.00
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Original price
$1,499.00
Original price
$1,399.00
$1,155.00
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$1,258.00
$1,155.00
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$1,258.00
Current price
$1,155.00
Description The Harvia KIP Series sauna heaters combines traditional design with modern convenience, making it a solid choice for home saunas. With...
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Harvia KIP Series Electric Heater (4.5kW/ 6kW/ 8kW)
Original price
$999.00
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Original price
$1,299.00
Original price
$999.00
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Original price
$1,299.00
Original price
$999.00
$801.00
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$1,054.00
$801.00
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$1,054.00
Current price
$801.00
Description The Harvia KIP Series is a traditional wall-mounted sauna heater that uses a multi-function digital Xenio wall-mounted control panel (...
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HUUM DROP 4.5kW Electric Heater Package
Original price
$3,299.00
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Original price
$4,699.00
Original price
$3,299.00
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Original price
$4,699.00
Original price
$3,299.00
$2,716.00
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$3,901.00
$2,716.00
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$3,901.00
Current price
$2,716.00
Description Complete HUUM DROP 4.5kW 240V/1PH Electric Sauna Heater Package The HUUM DROP 4.5STU PKG features all the necessities to give your saun...
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HUUM STEEL Mini 3.5kW Electric Heater Package
Original price
$4,599.00
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Original price
$5,999.00
Original price
$4,599.00
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Original price
$5,999.00
Original price
$4,599.00
$3,773.00
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$4,958.00
$3,773.00
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$4,958.00
Current price
$3,773.00
Description Complete HUUM Steel Mini 3.5kW 240V/1PH Electric Sauna Heater Package This HUUM Steel Mini sauna heater package comes complete with the...
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HUUM CLIFF Mini 3.5kW Electric Sauna Heater Package
Original price
$4,099.00
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Original price
$5,499.00
Original price
$4,099.00
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Original price
$5,499.00
Original price
$4,099.00
$3,385.00
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$4,570.00
$3,385.00
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$4,570.00
Current price
$3,385.00
Description Complete HUUM Cliff Mini 3.5kW 240V/1PH Electric Sauna Heater Package This HUUM Cliff Mini sauna heater package comes complete with the...
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Harvia KIP 4.5kW Electric Heater Package w/ Built-In Controller and Stones
Original price
$1,399.00
Original price
$1,399.00
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Original price
$1,399.00
Original price
$1,399.00
Current price
$1,214.00
$1,214.00
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$1,214.00
Current price
$1,214.00
Description The Harvia KIP 4.5kW Sauna Heater Package is a traditional, wall-mounted heater designed for home saunas up to 210 cubic feet. Featurin...
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Harvia KIP 4.5kW Electric Heater Package w/ Digital Controller and Wifi and Stones
Original price
$2,399.00
Original price
$2,399.00
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Original price
$2,399.00
Original price
$2,399.00
Current price
$2,048.00
$2,048.00
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$2,048.00
Current price
$2,048.00
Description The Harvia KIP 4.5kW Sauna Heater Package is a traditional, wall-mounted heater designed specifically for home saunas up to 210 cubic f...
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Harvia KIP Electric Heater Package w/ Built-In Controller and Stones
Original price
$1,399.00
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Original price
$1,599.00
Original price
$1,399.00
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Original price
$1,599.00
Original price
$1,399.00
$1,214.00
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$1,317.00
$1,214.00
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$1,317.00
Current price
$1,214.00
Description Harvia KIP Series heaters are perfect for home saunas and this version has built-in controls at the base of the heater for on/off, temp...
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Harvia KIP Electric Heater Package w/ Digital Controller and Wifi and Stones
Original price
$2,399.00
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Original price
$2,499.00
Original price
$2,399.00
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Original price
$2,499.00
Original price
$2,399.00
$2,048.00
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$2,148.00
$2,048.00
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$2,148.00
Current price
$2,048.00
Description Harvia KIP Series heaters are perfect for home saunas and this version pairs with a Xenio digital touchscreen control panel and Xenio W...
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Saunum Air Electric Sauna Heater Package
Original price
$4,961.11
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Original price
$5,294.44
Original price
$4,961.11
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Original price
$5,294.44
Original price
$4,961.11
$4,465.00
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$4,765.00
$4,465.00
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$4,765.00
Current price
$4,465.00
Description Transform your sauna experience with the Saunum Air Electric Sauna Heater Package, expertly engineered to eliminate the discomfort of u...
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A 4kW sauna heater is the perfect heart for your small-to-medium-sized sauna. These compact powerhouses are designed for efficiency, making them the ideal electric sauna heater for your wellness retreat. Need a different size? Explore our full collection of sauna heaters.
Your guide to choosing the best 4kW Sauna Heaters...
How do I know if a 4kW heater is the right size for my sauna?
A 4kW heater is typically ideal for well-insulated indoor sauna rooms ranging from 100 to 210 cubic feet. To get a precise recommendation based on your room's specific dimensions and features, we strongly recommend using our official sauna heater size calculator to ensure the perfect fit.
What's the difference between 120V and 240V heaters?
Think of it like a garden hose—a 240V connection is like a wider hose that can deliver more "power" more quickly. While some very small heaters might use a standard 120V outlet, nearly all traditional sauna heaters, including most 4kW models, require a 240V dedicated circuit. This allows them to heat the space powerfully and efficiently. Always have a licensed electrician handle the installation to ensure everything is safe and up to code!
Can I pour water on the rocks of these heaters?
Absolutely! That amazing burst of steam, or "löyly," is what a traditional sauna is all about. Our 4kW electric heaters are designed for this, so you can splash water over the hot rocks to create that wonderful, humid atmosphere. Just be sure to use the proper tools from our sauna heater accessories collection.
What are the benefits of a WiFi-enabled heater?
A WiFi-enabled heater brings your sauna into the smart home era. The biggest perk is convenience—you can turn on your sauna from your phone while you're heading home from work or the gym, and it will be perfectly heated and ready the moment you walk in the door. It also helps with energy efficiency, as you can schedule heating times and ensure you never accidentally leave it on.
For an even deeper dive, check out our complete guide to choosing the perfect sauna heater.