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Build It With Thermory:
1X4 Thermo-Aspen STS4 T&G Wall Cladding - Thermally Modified Sauna Wood by Thermory
$2.85 – $170.67
Thermally Modified Aspen (TASP) is an elegant wall and ceiling cladding for saunas that has been meticulously processed using only heat and steam by Thermory, the global leader in Thermal Modification. The result is a darkened, smooth wood that won't shrink, warp, cup, or rot when properly installed. Choose this profile for a classic sauna look that's more refined than typical North American saunas.
Working with Tongue and Groove STS4 is a delight for contractors and DIY Sauna Builders alike. We're not exagerating that every builder we work with has found the quality and consistency to be truly remarkable. At Sauna Marketplace, we make it easy with matching benches, backrests, bench skirts, vent hatches, floor grids, and more.
Actual wall coverage is 3.1" to 3.2" depending on installation.
1X5 Thermo-Aspen STS4 Wall Cladding - Thermally Modified Sauna Wood by Thermory
$3.93 – $236.00
Wide plank Thermally Modified Aspen (TASP) is an elegant wall and ceiling cladding for saunas that has been meticulously processed using only heat and steam by Thermory, the global leader in Thermal Modification. The result is a darkened, smooth wood that won't shrink, warp, cup, or rot when properly installed. Choose this profile for a classic sauna look that's more refined than typical North American saunas.
Working with Tongue and Groove STS4 is a delight for contractors and DIY Sauna Builders alike. We're not exagerating that every builder we work with has found the quality and consistency to be truly remarkable. At Sauna Marketplace, we make it easy with matching benches, backrests, bench skirts, vent hatches, floor grids, and more.
Actual wall coverage is 4.3".
Thermo-Aspen 5/4×3 STEP Wall Cladding - Sauna Wood by Thermory
$3.72 – $223.97
Step up your game and build the sauna of your dreams with STEP Cladding by Thermory. The broad, square grooves create a striking shadow effect adding depth and intrigue to any space. It's our go-to for vertical wall cladding in any high-end sauna build.
Thermo-Aspen is an elegant wall and ceiling cladding for saunas that has been meticulously processed using only heat and steam by Thermory, the global leader in Thermal Modification. The result is a darkened, smooth wood that won't shrink, warp, cup, or rot when properly installed. Choose this profile for a classic sauna look that's more refined than typical North American saunas.
At Sauna Marketplace, we make it easy with matching benches, backrests, bench skirts, vent hatches, floor grids, and more.
Actual wall coverage is 2.2" which completes the step.
Thermo-Aspen 1x4 KYTE Wall Cladding - Motion Panels by Thermory
$3.72 – $223.97
Step up your game and build the sauna of your dreams with Kyte Cladding by Thermory. The subtle bump out is easy to work with, but adds intrigue and a custom look to sauna walls and ceilings. It's great look for public saunas, or anyone who wants to something a little different than standard tongue and groove.
Thermo-Aspen is an elegant wall and ceiling cladding for saunas that has been meticulously processed using only heat and steam by Thermory, the global leader in Thermal Modification. The result is a darkened, smooth wood that won't shrink, warp, cup, or rot when properly installed. Choose this profile for a modern sauna that still feels traditional. Kyte walls can also be harnessed with basic lighting strips behind the benches to creat intrigue and shadow effects.
At Sauna Marketplace, we make it easy with matching benches, backrests, bench skirts, vent hatches, floor grids, and more.
Actual wall coverage is 3.1".
Thermo-Aspen 1x4 VIRE Wall Cladding - Sauna Wood by Thermory
$4.65 – $279.96
Add some life to your sauna with Thermory Vire 1x4, a unique contoured cladding for sauna walls and ceilings. This is also a favorite for adjascent walls the sauna, or for building a hidden door into a wood wall!
Thermo-Aspen is an elegant wall and ceiling cladding for saunas that has been meticulously processed using only heat and steam by Thermory, the global leader in Thermal Modification. The result is a darkened, smooth wood that won't shrink, warp, cup, or rot when properly installed. Choose this profile for a warm, modern sauna that's design forward.
At Sauna Marketplace, we make it easy with matching benches, backrests, bench skirts, vent hatches, floor grids, and more.
Actual wall coverage is 3.1".
Auroom Indoor COllection
Featured Heaters
Saunum AIR L – Professional Sauna Heater with Air Equalization and Himalayan Salt Therapy | 10KW 13KW 15KW
10 L
13 L
15 L
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HUUM Hive Mini Electric Sauna Heater With Upgraded Air Tunnel
6 KW
9 KW
10.5 KW
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This product has multiple variants. The options may be chosen on the product page
Harvia Virta Combi Auto Steam Sauna Heater
6 KW
8 KW
9 KW
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This product has multiple variants. The options may be chosen on the product page
Harvia Spirit
$1,347.30 – $1,395.00
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This product has multiple variants. The options may be chosen on the product page
Featured Heaters
Saunum AIR L – Professional Sauna Heater with Air Equalization and Himalayan Salt Therapy | 10KW 13KW 15KW
10 L
13 L
15 L
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This product has multiple variants. The options may be chosen on the product page
Homecraft Apex Commercial-Grade Electric Sauna Heater
10 KW
12 KW
15 KW
18
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This product has multiple variants. The options may be chosen on the product page
Harvia Club Series
10 KW
12 KW
15 KW
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HUUM Hive Mini Electric Sauna Heater With Upgraded Air Tunnel
6 KW
9 KW
10.5 KW
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This product has multiple variants. The options may be chosen on the product page
HUUM Drop Electric Sauna Heater
4.5 KW
6 KW
7.5 KW
9 KW
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This product has multiple variants. The options may be chosen on the product page
Harvia Virta Series
6 KW
8 KW
9 KW
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This product has multiple variants. The options may be chosen on the product page
Harvia Virta Combi Auto Steam Sauna Heater
6 KW
8 KW
9 KW
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This product has multiple variants. The options may be chosen on the product page
Homecraft Revive Slim
4 KW
5 KW
6 KW
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Featured Saunas
Auroom Mira L Modern Nordic Outdoor Sauna Kits – 2025 CLT Version
$22,990.00 – $23,990.00
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Auroom Mira S Outdoor Sauna Kit
$17,490.00 – $18,490.00
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Top Tier
Considering a barrel sauna? We specialize in barrel, cube, and square saunas that get your feet elevated off the cooler floor. Trust us, it makes all the difference.
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Sauna Squares by Thermory
$8,811.00 – $9,477.00
Auroom Relaxia
Indoor kits with designer sauna features.
The Best Sauna Heaters
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HUKKA Accessories
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Hukka Sauna Elf Collection
$20.00 – $120.00
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Sauna Massage Stones | Hukka Finland
$24.00 – $205.00
Recently Viewed
America's Trusted Source for HUUM Sauna Heaters
HUUM Drop Electric Sauna Heater
$1,079.00 – $1,416.00
Water and heated stones are the essence of sauna. Drawing inspiration from a single drop of water, the HUUM DROP is designed to elevate the beauty and performance of these core elements. We think of HUUM DROP as a very functional piece of art, but it's also been an award-winning heater in since 2013.
And with the new heating element retainer, upgraded rocks, and integrated heat shields the HUUM DROP on Sauna Marketplace is better than ever.
HUUM HIVE Wood
$1,739.00 – $2,334.00
The rocks take center stage with the HUUM HIVE Wood. Fusing substantial thermal mass with a sleek design, these stoves offer an impressive thermal mass for long-lasting, gentle heat and abundant steam. Whether choosing a model with inside or outside wood feeding, the HIVE Wood Series upholds HUUM's commitment to quality and durability in any sauna.
FOR HUUM HIVE ELECTRIC, CLICK HERE
HUUM Hive Electric Sauna Heater with Pre-Installed Air Tunnel
$2,303.00 – $3,167.00
An absolute monster of a sauna heater that is unrivaled in steam. Once the massive stone capacity heats up, the HUUM HIVE emits a warmth reminiscent of a traditional wood-fired sauna at a cottage in Northern Finland. All that's missing is the crack and glow of the flames.
The full HUUM HIVE is larger in diameter than the Mini, and packs the most rocks of any heater on the market. All HUUM Heaters are SGS/CE Certified and rated for 230°F for those who like it hot.
At Sauna Marketplace, we sell the latest version of the HUUM HIVE which includes a preassembled air tunnel that is now required for warranty. This upgraded HIVE speeds up sauna heating by 25% and extends the life span of heating elements.
Coming in 12KW, 15KW, and 18KW sizes - this is a popular heater for large home saunas and commercial settings.
HUUM Hive Electric Sauna Heater with Pre-Installed Air Tunnel
$2,303.00 – $3,167.00
An absolute monster of a sauna heater that is unrivaled in steam. Once the massive stone capacity heats up, the HUUM HIVE emits a warmth reminiscent of a traditional wood-fired sauna at a cottage in Northern Finland. All that's missing is the crack and glow of the flames.
The full HUUM HIVE is larger in diameter than the Mini, and packs the most rocks of any heater on the market. All HUUM Heaters are SGS/CE Certified and rated for 230°F for those who like it hot.
At Sauna Marketplace, we sell the latest version of the HUUM HIVE which includes a preassembled air tunnel that is now required for warranty. This upgraded HIVE speeds up sauna heating by 25% and extends the life span of heating elements.
Coming in 12KW, 15KW, and 18KW sizes - this is a popular heater for large home saunas and commercial settings.
HUUM HIVE Heat
$1,920.00 – $2,116.00
Created originally to comply with strict German regulations for reducing carbon emissions and improving efficiency in wood-burning stoves, the HIVE Heat now brings this advanced technology to a global market. The HIVE Heat achieves a lower flue gas temperature, transferring more heat into the sauna room and less escaping through the chimney. This design allows optimal heat utilization, offering a superior sauna experience while lessening the environmental impact. The HUUM HIVE Heat is an advanced sauna stove designed with the environment in mind and boasting a 12kW power rating, making it ideal for sauna rooms sized between 212 to 459 cubic feet. Compared to the HUUM HIVE Wood series, the HIVE Heat features a more innovative airflow system and different materials, including a cast iron stove door focused on burning wood as cleanly and efficiently as possible.
NOTE: HUUM HIVE HEAT is being discontinued for the even better HUUM FLOW.
HUUM STEEL Electric Sauna Heater
$1,275.00 – $1,934.00
Don't be deceived by the HUUM STEEL's minimalist elegance! This compelling electric heater carries an unexpected abundance of stones, delivering potent yet gentle, enduring warmth. Cleverly hidden within its streamlined design is a sturdy built-in air tunnel, promising swift and efficient heat, belying its compact form. Its stunning stainless steel shell provides a captivating contrast against the natural sauna stones, effortlessly elevating the aesthetic charm of your sauna room.
Solutions By Harvia
Harvia Duo Fireplace and Wood Sauna Stove Combo
$2,254.00 – $3,002.00
The Harvia DUO line is a stunning best-of-both-worlds fireplace and sauna spanning two rooms. It's the most elegant solution to for through-wall sauna operation.
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Harvia KIP Electric Sauna Heater
$751.20 – $850.00
3 KW
4.5 KW
6 KW
8 KW
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Harvia Virta Series
$1,584.00 – $1,683.00
6 KW
8 KW
9 KW
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This product has multiple variants. The options may be chosen on the product page
Harvia Virta Combi Auto Steam Sauna Heater
$2,864.70 – $3,128.00
6 KW
8 KW
9 KW
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This product has multiple variants. The options may be chosen on the product page
Prebuilt
Sauna Brushes
Vents