Sauna Heaters
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Cozy Heat Quattro Thru-Wall Wood-Burning Sauna Stove – 12 & 18 kW
Price range: $2,452.50 through $2,884.50Keep the crisp geometry and move the tending routine outside. Quattro Thru-Wall leaves the square cage in the sauna and extends the firebox through the wall. Its structural-steel firebox walls about 67% thicker than a typical standard-stove wall are finished with clean welds.
Three-path combustion uses about 25% less wood than comparable heaters, yet lighting and refueling feel like a familiar wood stove. Choose 12 or 18 kW. Stones, chimney, wall detailing, and required protection are separate.
Wall opening: 12 kW at least 10.0 in wide x 17.3 in tall from the floor; 18 kW at least 12.4 x 18.5 in. Concrete or brick, 5.9 in thick at most.
Cozy Heat SW Thru-Wall Wood-Burning Sauna Stove – 12 & 18 kW
Price range: $2,452.50 through $2,884.50Big vertical presence, with the fire door elsewhere. The SW Thru-Wall keeps its high wave-pattern cage inside and moves the active wood routine next door. Cozy joins structural-steel firebox walls about 67% thicker than a typical standard-stove wall with clean welds beneath that stone column.
It uses about 25% less wood than comparable heaters, but starting and tending still feel like a normal wood stove. Choose 12 or 18 kW. Stones, chimney, wall detailing, and required protection are separate.
Wall opening: 12 kW at least 10.0 in wide x 17.3 in tall from the floor; 18 kW at least 12.4 x 18.5 in. Concrete or brick, 5.9 in thick at most.
Cozy Heat SW Wood-Burning Sauna Stove – 12 & 18 kW
Price range: $2,214.00 through $2,529.00The tallest Cozy makes a clear vertical statement. The SW opens a high wave of visible stone around a stove designed to anchor the room. Its structural-steel firebox walls about 67% thicker than a typical standard-stove wall are joined with clean, precise welds.
Three-path combustion uses about 25% less wood than comparable heaters while the fire lights and tends like a familiar wood stove. Choose 12 or 18 kW for in-sauna loading. Stones, chimney, and required protection are separate.
Cozy Heat OG Thru-Wall Wood-Burning Sauna Stove – 12 & 18 kW
Price range: $2,452.50 through $2,857.50Give the sauna the silhouette and the adjoining room the wood handling. The OG Thru-Wall pairs its flared guard with an extended firebox. The working core uses structural-steel firebox walls about 67% thicker than a typical standard-stove wall and clean welds for long service.
It burns about 25% less wood than comparable heaters while lighting and tending like a normal wood stove. Pick 12 or 18 kW. Stones, chimney, wall detailing, and required protection are separate.
Wall opening: 12 kW at least 10.0 in wide x 17.3 in tall from the floor; 18 kW at least 12.4 x 18.5 in. Concrete or brick, 5.9 in thick at most.
Cozy Heat OG Wood-Burning Sauna Stove – 12 & 18 kW
Price range: $2,214.00 through $2,529.00A sculpted stove that still looks built for work. The OG’s pinched, flared guard gives the heater a real silhouette while leaving the firebox legible. Under the cage, structural-steel firebox walls about 67% thicker than a typical standard-stove wall and clean welds make the durability case.
The three-path system uses about 25% less wood than comparable heaters, with the familiar wood stove rhythm of light, tend, and refuel. Choose 12 or 18 kW. Stones, chimney, and required protection are separate.
Cozy Heat O Thru-Wall Wood-Burning Sauna Stove – 12 & 18 kW
Price range: $2,182.50 through $2,416.85Clean round lines inside, firewood outside. The O Thru-Wall keeps its cylindrical cage in the sauna and puts the loading door in the adjoining room. That profile surrounds structural-steel firebox walls about 67% thicker than a typical standard-stove wall, joined with clean welds.
Three-path combustion uses about 25% less wood than comparable heaters, but the fire still behaves like a familiar wood stove. Choose 12 or 18 kW. Stones, chimney, wall detailing, and required protection are separate.
Wall opening: 12 kW at least 10.0 in wide x 17.3 in tall from the floor; 18 kW at least 12.4 x 18.5 in. Concrete or brick, 5.9 in thick at most.
Cozy Heat O Wood-Burning Sauna Stove – 12 & 18 kW
Price range: $1,894.50 through $2,263.50A calm cylinder around a hard-working firebox. The O gives the visible stone field a clean, rounded outline without turning the stove into decoration. Inside are structural-steel firebox walls about 67% thicker than a typical standard-stove wall and clean welds made for repeated fires.
Its three-path combustion uses about 25% less wood than comparable heaters, without making the fire fussy. Pick 12 or 18 kW for in-sauna loading. Stones, chimney, and required protection are separate.
Cozy Heat Thru-Wall Wood-Burning Sauna Stove – 12 & 18 kW
Price range: $2,290.50 through $2,578.50Move the woodpile and ash to the adjoining room. The original open cage stays in the sauna while the firebox passes through a properly built wall. The stove is built around structural-steel firebox walls about 67% thicker than a typical standard-stove wall, joined with clean welds for a durable core.
The three-path burn uses about 25% less wood than comparable heaters, yet lighting and refueling still feel like a familiar wood stove. Choose 12 or 18 kW. Stones, chimney, wall detailing, and required protection are separate.
Wall opening: 12 kW at least 10.0 in wide x 17.3 in tall from the floor; 18 kW at least 12.4 x 18.5 in. Concrete or brick, 5.9 in thick at most.
Cozy Heat Quattro Wood-Burning Sauna Stove – 12 & 18 kW
Price range: $2,214.00 through $2,529.00Square geometry around an honest wood fire. Quattro’s horizontal bars and crisp footprint fit clean-lined rooms without losing the character of a real stove. The cage wraps structural-steel firebox walls about 67% thicker than a typical standard-stove wall, joined with clean welds.
Its three-path burn uses about 25% less wood than comparable heaters and still tends like a familiar wood stove. Choose 12 or 18 kW for in-sauna loading. Stones, chimney, and required protection are separate.
Cozy Heat Standard Wood-Burning Sauna Stove – 12 & 18 kW
Price range: $1,912.50 through $2,263.50The straight-ahead Cozy. The open round cage keeps the firebox and stone field visually honest. Cozy pairs structural-steel firebox walls about 67% thicker than a typical standard-stove wall with clean, precise welds for a stove built to see years of real fires.
Three-path combustion uses about 25% less wood than comparable heaters, but lighting and tending feel like a normal wood stove. Choose 12 or 18 kW for in-sauna loading. Stones, chimney, and required protection are separate.
Harvia Virta Pro 20 | 208v 3-Phase Commercial Sauna Heater
$4,943.00If you run a public sauna and “down for maintenance” is not an option, this is the heater we trust. The Virta Pro 20 has the right mix of power, stone mass, and serviceability for busy gyms, hotels, apartments, and studios. It’s the model we see running day in, day out with minimal fuss.
Harvia’s most powerful and appealing electric sauna heater, the Virta Pro 20 is our go-to commercial sauna heater when 208v 3ph power is required. It’s as close to one-size-fits all as we’ve seen in the industry. Ideal for saunas from 354 cubic feet all the way up to 1130 cubic feet.
We have customers running this heater 24 hours/day for years in gyms, spas, hotels, and pro training centers. Maintenance, performance, and longevity are the design principles to be appreciated even more over time. When downtime isn’t acceptable, there’s nothing better than a Virta.
Narvi Kaamos 20 Woodburning Sauna Heater from Finland
$1,845.00The Narvi Kaamos 20 is a continuous-burning wood sauna heater designed for saunas between 353-706 cubic feet. With a solid steel construction and 132 lbs stone capacity, it provides consistent heat and satisfying steam for traditional sauna bathing.
EOS Mythos S45 Design Sauna Heater | 12 / 15 kW
$10,441.00The statement heater for big rooms. The EOS Mythos S45 scales the iF Design Award-winning Mythos design to 12 or 15 kW at 208V three-phase: a 99 lb published stone load, a 24-piece hand-cut Cubius soapstone crown, and a finished-on-every-side body still only 14.6 inches deep. Covers EOS room ranges from 80 to 142 sq ft, private or commercial. Requires one matching 15 kW EOS USA control system (sold separately, select below); no power extension needed. 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.
SaunaLife TITAN SL1 Propane Sauna Heater | Portable
$2,998.00A real sauna heater for sites where 240-volt service or firewood is the problem. TITAN is a Finnish-developed, 15,300 to 27,600 BTU propane heater with a 44 lb stone basket, sized for 140 to 350 cu ft uninsulated rooms or 140 to 425 cu ft insulated rooms. We have known the Finnish team behind this system for more than three years. After our recent Finland trip, its appeal was easy to understand: portable tent sauna is familiar there, and TITAN keeps the stones and löyly that make it sauna. Two stone boxes are required and sold separately.
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