9 KW
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HUUM HIVE Mini Electric Sauna Heater | 6, 9 & 10.6 kW
Price range: $2,502.00 through $2,785.00HUUM HIVE Mini puts 331 lb of stones into a compact 18 1/8-inch floor heater for gentle, long-lasting steam. The current 2025+ version includes HUUM’s stainless steel air tunnel, engineered to improve airflow, speed warm-up, support the heating elements, and help them last longer. Choose 6, 9, or 10.6 kW for current 240V U.S. room ranges of 177 to 566 cubic feet. A HUUM UKU control and ten 33-lb boxes of 2 to 4-inch stones are required and sold separately.
Harvia Spirit – Wall-Mounted Rock Basket, Big Steam, UL Listed (6KW, 8KW, 9KW)
Price range: $1,715.00 through $1,930.00The Harvia Spirit is a modern rock basket electric sauna heater with massive stone capacity delivering world class heat (up to 194°F), steam, and reliability for small to medium saunas from 177 to 494 cubic feet. It requires 220v power, rocks, and a WI-FI enabled Xenio Control system.
HUUM CORE Electric Sauna Heater with Alder Exterior | Black or Stainless Inlay, 6.5-10.5 kW
Price range: $2,820.00 through $3,075.00HUUM CORE with Alder exterior panels is available in 6.5, 9, or 10.5 kW for current U.S. manual room ranges from 177 to 566 cubic feet. Choose a black or stainless-steel inlay for the compact 15.16-inch finished footprint. UKU control and the current manual’s 88-lb stone load are required and sold separately.
Harvia Cilindro Electric Sauna Heater
Price range: $1,181.00 through $1,625.00Dreaming of Steam? Harvia Cilindro is the classic pillar, rock basket electric sauna heater, the best selling heater in Finland for almost a decade. The Cilindro is for steam lovers who like lower temperatures and endless steam. Note the minimum room requirements are the same throughout, and the footprint is larger for the 10.5KW model. The 9KW and 10.5KW are best for most applications. Choose Wi-Fi Enabled Xenio for easy control and scheduling. Choose built-in controls for price and simplicity.
HUUM DROP Electric Sauna Heater | 4.5, 6, 7.5 & 9 kW
Price range: $1,334.00 through $1,751.00HUUM DROP combines a wall-mounted, water-drop form with 122 lb of exposed stones for soft, abundant steam. This is the latest current U.S. generation, with HUUM’s reflector, heat diverter, element retainers, and element spacers included. Choose 4.5, 6, 7.5, or 9 kW for adjusted sauna volumes from 106 to 460 cubic feet.
Build your complete DROP system. Every new installation needs three components: the DROP heater, a HUUM UKU controller, and 122 lb of 2–4 inch sauna stones. We’ve preselected the most popular Wi-Fi controller and the correct stones. Your complete subtotal updates below.
Harvia Virta Electric Sauna Heater With Wi-Fi (6, 8, 9 kW)
Price range: $2,017.00 through $2,143.00Harvia Virta is a modern, floor‑standing electric sauna heater available in 6 kW, 8 kW, and 9 kW for ~175–500 ft³ rooms, running on 240 V single‑phase and controlled with the Harvia Xenio (Wi‑Fi/MyHarvia comes standard on Sauna Marketplace). All Virta models reach 194°F and are designed for steam by ladling water on the heated rocks – for automatic steam choose Virta Combi; for larger rooms, see Virta 10.5 kW or Virta Pro.
The standard Harvia Virta is our go-to heater for the most reliable, consistent heat with no hot spots that fits perfectly in almost any sauna. It’s sleek outer shell acts as an integrated safety shield while minimizing safety clearances. We find its 100-pound rock capacity to be the sweet spot for comfortable (not harsh) heat without long heat-up times. Buy now and get an extra year’s warranty when you register with Harvia.
Harvia Virta Combi Auto Steam Sauna Heater
Price range: $3,648.00 through $3,711.00If you want a true sauna with the option to dial in gentle steam and set a specific humidity level, this is the only heater we recommend. Virta Combi is a traditional electric rock heater with a built-in steamer. You can throw water on the stones for classic löyly, or let the steamer do the work and hold a steady, softer humidity that feels closer to a steam room. Not sure if you want a steam room or a sauna? Combi gives you both in one unit.
*Requires two separate 240v circuits
ThermaSol Vue Sauna Cabin | 9.0 kW
$51,071.00A glass front that reads two ways. Named for the French word for view, the Vue won the 2026 LUXE RED Award and was named a finalist in the Hospitality Design Awards. The Vue’s 1.3 in Mirror+ glazing is transparent during the day and a privacy mirror at night, which is the spec that makes a glass-front outdoor cabin practical for a yard with neighbors. 87 by 79 inches, three to four people, 354 cu ft. 9 kW Harvia Virta with Wi-Fi, CX45 controller. Rustic Tyrol interior with Aspen benches. Pick door side at checkout. Built in Finland by Kirami. Twelve weeks to build, ships free.
ThermaSol Medium Lumaria Sauna Cabin | 9.0 kW
$21,276.00Two to three regulars, indoor footprint. The Lumaria Medium is the mid-size ThermaSol indoor: 86.6 by 66.9 inches, 278 cu ft, with a transparent panoramic glass front and a 9 kW Harvia Virta paired with the CX45 controller. Brushed Tyrol panel walls, 24-inch Thermo-Aspen benches. Lives inside a finished room: no foundation pour, no demo. Pick door side at checkout. Designed and crafted in the USA by ThermaSol. Four-to-eight-week build, free shipping.
ThermaSol Large Lumaria Sauna Cabin | 9.0 kW
$23,648.00Honest take: most indoor sauna kits do not look like the renderings. The Lumaria Large is the exception. ThermaSol’s biggest indoor footprint, 86.6 by 86.6 inches, 360 cu ft, four to five people. Brushed Tyrol panel interior with Thermo-Aspen benches, panoramic transparent glass front, 9 kW Harvia Virta paired with the CX45 controller. Flat-packed for a finished-room install with no drywall demo. Pick door side at checkout. Four-to-eight-week build, free shipping included.
ThermaSol Nordic Dawn Prebuilt Sauna
$33,467.00Does the heater sound like a leaf blower when it ramps up? Not the Spirit. The Nordic Dawn is built around Harvia’s quieter 9 kW Spirit element paired with the Wi-Fi-enabled CX45 controller, so a cabin within earshot of the house stays bearable. 86.8 by 85.4 inch footprint, 424 cu ft, four to five people. Heat-treated spruce exterior, aspen interior, full glass front. Built in Finland by Kirami. Twelve-week build, free shipping included.
ThermaSol Astra Sauna Cabin | 9.0 kW
$23,604.00Hall closet or guest-room corner? The Astra is the indoor ThermaSol model built for households that have closet-conversion space rather than a dedicated room. 85.4 by 85.4 inches with corner glass and an L-bench, so it tucks into a finished-basement nook. Same 9 kW Harvia Virta as the larger Aalto in 350 cu ft, so heat-up is faster. Brushed Tyrol panel interior, Thermo-Aspen benches, CX45 controller. Pick door side at checkout. Four-to-eight-week build, free shipping.
ThermaSol Aalto Sauna Cabin | 9.0 kW
$23,455.00Named for Finnish architect Alvar Aalto, the cabin is ThermaSol’s design-forward indoor option. The Aalto is an indoor sauna sized for transformation: 87 by 87 inches, 83 inches tall, drops into a finished basement or spa room without drywall demo or a foundation pour. Full-height transparent panoramic glass front, 9 kW Harvia Virta behind safety rails, brushed Tyrol panel interior with Thermo-Aspen benches. Pick door side at checkout. Designed and crafted by Finland’s best, most experienced team.
ThermaSol Nordic Misty Medium Sauna Cabin
Price range: $35,644.00 through $36,062.00Tinted glass, four-to-six bench, Finnish build. The Nordic Misty Medium is Kirami’s pre-cut outdoor cube with floor-to-ceiling Parsol glass and a Harvia heater wired at the factory. 91 by 87 inches, heat-treated spruce exterior, heat-treated aspen interior. Choose door side and heater at checkout: 9 kW Harvia Virta electric with Wi-Fi or Legend 240 wood-burning. CX45 controller, plug-and-play wiring. Twelve-week Finnish build, free shipping.
Homecraft Revive Electric Sauna Heater | 200 lb Rock Tower, 6, 7.5 and 9 kW
Price range: $1,690.00 through $1,775.00Water hits the stones and the room answers. That is the whole argument for the Revive: a 36-inch stainless tower holding 200 lbs of rock, with the heating elements set back inside an air chamber so the steam comes off hot stone instead of hot metal. Softer heat, and a lot more of it per ladle than a heater with a shallow basket. Three outputs from 6 to 9 kW, built in Surrey, British Columbia, CSA and UL certified with ETL listing for permanent installation. It is the heater we point wellness buyers to when they have been comparing it against a HUUM.
HUUM STEEL Electric Sauna Heater | 6, 9 & 10.5 kW
Price range: $2,033.00 through $2,391.00HUUM STEEL is a slim floor-standing stainless-steel heater with 330 lb of stones for gentle, long-lasting steam. Choose 6, 9, or 10.5 kW for current U.S. room ranges from 177 to 566 cubic feet. UKU control and 1 to 2-inch sauna stones are required and sold separately.
HUUM CLIFF & CLIFF Mini Electric Sauna Heater | 3.5 to 10.5 kW
Price range: $2,003.00 through $2,879.00HUUM CLIFF brings a tall, open stone surface to rooms where floor area and clearances are tight. Choose wall-mounted CLIFF Mini 3.5 kW or floor-standing CLIFF 6, 9, and 10.5 kW for current U.S. manual room ranges from 106 to 566 cubic feet. UKU control and model-specific 1 to 2-inch stones are required and sold separately.
EOS Invisio Midi Under-Bench Sauna Heater | 6 / 9 / 12 kW
Price range: $5,641.00 through $5,860.00The heater your guests never see. The EOS Invisio Midi, from Germany’s 80-year sauna engineering house, installs under the bench behind a builder-made dividing wall: heat rises through the supplied 48.8-inch protective grill, and water reaches the hidden stones through an included trough, hose, and internal stainless channel. 6, 9, or 12 kW covers rooms from about 35 to 102 sq ft; stainless steel or anthracite; every variant a genuine EOS North America SKU. Requires the matching 9 kW (6/9 kW heaters) or 15 kW (12 kW heater, 208V 3-Phase only) EOS USA control system, sold separately – select below. Dividing wall and bench are builder-supplied; stones selected separately. Ships freight via EOS’s official US distribution; lead time confirmed with your order.
EOS Mythos S35 Design Sauna Heater | 7.5 / 9 kW
Price range: $8,438.00 through $8,774.00A heater your room is built around. The EOS Mythos S35 is the iF Design Award-winning cubist heater from Germany’s 80-year sauna house: a 33-inch pillar, only 14.6 inches deep, finished on every side and crowned with 20 hand-cut Cubius soapstones. A 77 lb published stone load delivers soft, steady loyly in rooms from 45 to 80 sq ft. 7.5 or 9 kW, 208V or 240V, four US finishes, every variant a genuine EOS North America SKU. Requires the matching 9 kW EOS USA control system (sold separately, select below). Ships freight via EOS’s official US distribution; lead time confirmed with your order.
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