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Welcome To Peak Flow Fitness | Chat With An Expert By Texting Or Calling 646-921-5221

Indoor Saunas

Shop indoor saunas designed for home installation in spare bedrooms, basements, garages, and dedicated wellness rooms. Our indoor sauna collection features cabin-style infrared and hybrid models from Golden Designs that plug into standard household outlets — no special wiring or ventilation required on most units.

Indoor saunas offer the convenience of daily heat therapy without stepping outside. These enclosed cabin models heat quickly, retain warmth efficiently, and include premium features like chromotherapy lighting, Bluetooth audio, and digital temperature controls. Built with Canadian hemlock or red cedar for natural moisture resistance and a pleasant aromatic experience. Perfect for year-round use regardless of weather. Free shipping on orders over $999 with manufacturer warranty.

Browse our complete sauna collection or add red light therapy to your home wellness space for enhanced recovery benefits.

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Finnish Sauna Builders Harvia 20 Pro/sl/duo/boiler/sl Boiler Protective Sheath (side & Rear) - Finnish Saun... — exterior view
$498.00 - $498.00
$498.00
$498.00 - $498.00
$498.00

Harvia 20 Pro/sl/duo/boiler/sl Boiler Protective Sheath (side & Rear) - Finnish Sauna Builders

Finnish Sauna Builders

Harvia 20 Pro/sl/duo/boiler/sl Boiler Protective Sheath (side & Rear) Harvia wood heater protective shields, for side and rear. Use for Harvia ...

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$498.00 - $498.00
$498.00
$498.00 - $498.00
$498.00
Finnish Sauna Builders Harvia 20 Duo Wood Burning Sauna Stove - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia 20 Duo Wood Burning Sauna Stove - Finnish Sauna Builders — exterior view
$2,788.00 - $2,788.00
$2,788.00
$2,788.00 - $2,788.00
$2,788.00

Harvia 20 Duo Wood Burning Sauna Stove - Finnish Sauna Builders

Finnish Sauna Builders

Harvia 20 Duo Wood Burning Sauna Stove  Harvia Duo is a combination of a wood-burning sauna stove and fireplace. Heat your sauna to bathing temper...

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$2,788.00 - $2,788.00
$2,788.00
$2,788.00 - $2,788.00
$2,788.00
Golden Designs Narvik 2-Person Outdoor-Indoor Traditional Steam Sauna, Canadian Red Cedar Interior — angle view
Golden Designs Narvik 2-Person Outdoor-Indoor Traditional Steam Sauna, Canadian Red Cedar Interior — front view Save 20% Save %
$14,999.00
$14,999.00 - $14,999.00
$14,999.00
$11,999.00
$11,999.00 - $11,999.00
$11,999.00

Golden Designs Narvik 2-Person Outdoor-Indoor Traditional Steam Sauna, Canadian Red Cedar Interior - GDI-8202-01

Golden Designs
In stock

Golden Designs Narvik 2 Person Outdoor-Indoor Traditional Steam Sauna, Canadian Red Cedar Interior - GDI-8202-01 With a Golden Designs all weather...

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$14,999.00
$14,999.00 - $14,999.00
$14,999.00
$11,999.00
$11,999.00 - $11,999.00
$11,999.00
Save 20% Save %
Golden Designs Kuusamo Edition 6 Person Indoor Traditional Steam Sauna, Canadian Red Cedar Interior — angle view
Golden Designs Kuusamo Edition 6 Person Indoor Traditional Steam Sauna, Canadian Red Cedar Interior — front view Save 15% Save %
$9,999.00
$9,999.00 - $9,999.00
$9,999.00
$8,499.00
$8,499.00 - $8,499.00
$8,499.00

Golden Designs Kuusamo Edition 6 Person Indoor Traditional Steam Sauna, Canadian Red Cedar Interior - GDI-7206-01

Golden Designs
In stock

Golden Designs Kuusamo Edition 6 Person Indoor Traditional Steam Sauna, Canadian Red Cedar Interior - GDI-7206-01 With a Golden Designs indoor or ...

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$9,999.00
$9,999.00 - $9,999.00
$9,999.00
$8,499.00
$8,499.00 - $8,499.00
$8,499.00
Save 15% Save %
Finnish Sauna Builders Harvia Click Pail And Ladle Set - Finnish Sauna Builders — exterior view
$51.60 - $51.60
$51.60
$51.60 - $51.60
$51.60

Harvia Click Pail And Ladle Set - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Click Pail And Ladle Set The set includes a pail & ladle which are designed and manufactured in Finland from recycled materials. The Har...

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$51.60 - $51.60
$51.60
$51.60 - $51.60
$51.60
Finnish Sauna Builders Custom Indoor Sauna Room - 4' x 7' x 8' - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Custom Indoor Sauna Room - 4' x 7' x 8' - Finnish Sauna Builders — exterior view
$7,477.10 - $12,815.60
$7,477.10 - $12,815.60
$7,477.10 - $12,815.60
$7,477.10

Custom Indoor Sauna Room - 4' x 7' x 8' - Finnish Sauna Builders

Finnish Sauna Builders

Custom Indoor Sauna Room - 4' x 7' x 8' - Finnish Sauna Builders — This custom-built Finnish sauna room measures 4' x 7' x 8', hand-crafted by Finn...

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$7,477.10 - $12,815.60
$7,477.10 - $12,815.60
$7,477.10 - $12,815.60
$7,477.10
Finnish Sauna Builders Harvia Pro 26 WKPR26M Wood Burning Sauna Stove - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Pro 26 WKPR26M Wood Burning Sauna Stove - Finnish Sauna Builders — exterior view
$2,006.00 - $2,006.00
$2,006.00
$2,006.00 - $2,006.00
$2,006.00

Harvia Pro 26 WKPR26M Wood Burning Sauna Stove - Finnish Sauna Builders

Finnish Sauna Builders

Harvia 26 Pro – Wood-Burning Sauna Stove The Harvia 26 Pro is a powerful, high-capacity wood-burning sauna stove designed for medium to large sauna...

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$2,006.00 - $2,006.00
$2,006.00
$2,006.00 - $2,006.00
$2,006.00
Finnish Sauna Builders Harvia KIP60B Stainless Steel 6KW Sauna Heater with built-in control - Finni... — interior bench layout
Finnish Sauna Builders Harvia KIP60B Stainless Steel 6KW Sauna Heater with built-in control - Finnish Sauna... — exterior view
$1,195.00 - $1,216.00
$1,195.00 - $1,216.00
$1,195.00 - $1,216.00
$1,195.00

Harvia KIP60B Stainless Steel 6KW Sauna Heater with built-in control - Finnish Sauna Builders

Finnish Sauna Builders

Description Experience powerful, precision-controlled sauna heating with the Harvia KIP60B Electric Sauna Heater. Ideal for medium to large-sized s...

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$1,195.00 - $1,216.00
$1,195.00 - $1,216.00
$1,195.00 - $1,216.00
$1,195.00
Finnish Sauna Builders Custom Indoor Sauna Room - 4' x 8' x 8' - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Custom Indoor Sauna Room - 4' x 8' x 8' - Finnish Sauna Builders — exterior view
$8,053.70 - $13,676.70
$8,053.70 - $13,676.70
$8,053.70 - $13,676.70
$8,053.70

Custom Indoor Sauna Room - 4' x 8' x 8' - Finnish Sauna Builders

Finnish Sauna Builders

Custom Indoor Sauna Room - 4' x 8' x 8' - Finnish Sauna Builders — This custom-built Finnish sauna room measures 4' x 8' x 8', hand-crafted by Finn...

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$8,053.70 - $13,676.70
$8,053.70 - $13,676.70
$8,053.70 - $13,676.70
$8,053.70
Finnish Sauna Builders Harvia Cilindro PC90E 9KW Sauna Heater - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Cilindro PC90E 9KW Sauna Heater - Finnish Sauna Builders — exterior view
$1,280.00 - $1,280.00
$1,280.00
$1,280.00 - $1,280.00
$1,280.00

Harvia Cilindro PC90E 9KW Sauna Heater - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Cilindro PC90E Sauna Heater – 9 kW Stylish, High-Performance Electric Sauna Heater for Home Use The Harvia Cilindro PC90E is a sleek, floor-...

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$1,280.00 - $1,280.00
$1,280.00
$1,280.00 - $1,280.00
$1,280.00
Golden Designs Visby 3 Person Outdoor-Indoor PureTech Hybrid Full Spectrum Sauna, Canadian Red Cedar Interior — angle vi
Golden Designs Visby 3 Person Outdoor-Indoor PureTech Hybrid Full Spectrum Sauna, Canadian Red Cedar Interior — front vi
Save 26% Save %
$22,999.00
$22,999.00 - $22,999.00
$22,999.00
$16,999.00
$16,999.00 - $16,999.00
$16,999.00

Golden Designs Visby 3 Person Outdoor-Indoor PureTech Hybrid Full Spectrum Sauna, Canadian Red Cedar Interior - GDI-8223-01

Golden Designs
In stock

Golden Designs Visby 3 Person Outdoor-Indoor PureTech Hybrid Full Spectrum Sauna, Canadian Red Cedar Interior - GDI-8223-01 With a Golden Designs ...

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$22,999.00
$22,999.00 - $22,999.00
$22,999.00
$16,999.00
$16,999.00 - $16,999.00
$16,999.00
Save 26% Save %
Finnish Sauna Builders Harvia Pro 20 Es Pro Wood Burning Sauna Stove With Water Tank - Finnish Saun... — interior bench layout
Finnish Sauna Builders Harvia Pro 20 Es Pro Wood Burning Sauna Stove With Water Tank - Finnish Sauna Builders — exterior view
$2,153.00 - $2,153.00
$2,153.00
$2,153.00 - $2,153.00
$2,153.00

Harvia Pro 20 Es Pro Wood Burning Sauna Stove With Water Tank - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Pro 20 Es Pro Wood Burning Sauna Stove With Water Tank The Harvia 20 ES Pro stove is a popular choice for cottage saunas ‒ thanks to its pra...

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$2,153.00 - $2,153.00
$2,153.00
$2,153.00 - $2,153.00
$2,153.00
Finnish Sauna Builders Custom Indoor Sauna Room - 3' x 4' x 8' - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Custom Indoor Sauna Room - 3' x 4' x 8' - Finnish Sauna Builders — exterior view
$5,190.50 - $9,817.20
$5,190.50 - $9,817.20
$5,190.50 - $9,817.20
$5,190.50

Custom Indoor Sauna Room - 3' x 4' x 8' - Finnish Sauna Builders

Finnish Sauna Builders

Custom Indoor Sauna Room - 3' x 4' x 8' - Finnish Sauna Builders — This custom-built Finnish sauna room measures 3' x 4' x 8', hand-crafted by Finn...

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$5,190.50 - $9,817.20
$5,190.50 - $9,817.20
$5,190.50 - $9,817.20
$5,190.50
Finnish Sauna Builders Harvia Paraffin Oil, 500ml - Finnish Sauna Builders — exterior view
$49.50 - $49.50
$49.50
$49.50 - $49.50
$49.50

Harvia Paraffin Oil, 500ml - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Paraffin Oil, 500ml The paraffin oil by Harvia is an oil treatment for wood surfaces that reduces the amount of humidity and dirt absorbed i...

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$49.50 - $49.50
$49.50
$49.50 - $49.50
$49.50
Finnish Sauna Builders Harvia Legend Protective Wall Sheath - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Legend Protective Wall Sheath - Finnish Sauna Builders — exterior view
$399.00 - $399.00
$399.00
$399.00 - $399.00
$399.00

Harvia Legend Protective Wall Sheath - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Legend Protective Wall Sheath The Harvia WL200 protective sheath is designed for use with all wood-heated Legend stoves. Perfectly compatibl...

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$399.00 - $399.00
$399.00
$399.00 - $399.00
$399.00
Finnish Sauna Builders Harvia Legend Firewood Basket SASPO102 - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Legend Firewood Basket SASPO102 - Finnish Sauna Builders — exterior view
$252.00 - $252.00
$252.00
$252.00 - $252.00
$252.00

Harvia Legend Firewood Basket SASPO102 - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Legend Firewood Basket The story of Harvia can be seen in the new Harvia Legend family of sauna accessories. The accessories are an elegant ...

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$252.00 - $252.00
$252.00
$252.00 - $252.00
$252.00
Finnish Sauna Builders Harvia Chimney Smoke Pipe WZ115100 115 mm Stainless Steel - Finnish Sauna Builders — exterior view
$206.00 - $206.00
$206.00
$206.00 - $206.00
$206.00

Harvia Chimney Smoke Pipe WZ115100 115 mm Stainless Steel - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Chimney Smoke Pipe WZ115100 115 mm Stainless Steel The Harvia WZ115100 Chimney Smoke Pipe in Stainless Steel is designed and approved for wo...

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$206.00 - $206.00
$206.00
$206.00 - $206.00
$206.00
Finnish Sauna Builders Harvia Legend Thermometer SASPO104 - Finnish Sauna Builders — exterior view
$149.00 - $149.00
$149.00
$149.00 - $149.00
$149.00

Harvia Legend Thermometer SASPO104 - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Legend Thermometer The story of Harvia can be seen in the new Harvia Legend family of sauna accessories. The accessories are an elegant comb...

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$149.00 - $149.00
$149.00
$149.00 - $149.00
$149.00
Finnish Sauna Builders Harvia Legend Bucket SASPO100 - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Legend Bucket SASPO100 - Finnish Sauna Builders — exterior view
$335.00 - $335.00
$335.00
$335.00 - $335.00
$335.00

Harvia Legend Bucket SASPO100 - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Legend Bucket  The story of Harvia can be seen in the new Harvia Legend family of sauna accessories. The accessories are an elegant combinat...

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$335.00 - $335.00
$335.00
$335.00 - $335.00
$335.00
Finnish Sauna Builders Harvia Chimney Smoke Pipe WZ11550 115 mm Stainless Steel - Finnish Sauna Builders — exterior view
$126.00 - $126.00
$126.00
$126.00 - $126.00
$126.00

Harvia Chimney Smoke Pipe WZ11550 115 mm Stainless Steel - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Chimney Smoke Pipe WZ11550 115 mm Stainless Steel The Harvia Chimney WZ11550 Smoke Pipe is made of stainless steel, being compatible with al...

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$126.00 - $126.00
$126.00
$126.00 - $126.00
$126.00
Finnish Sauna Builders Custom Indoor Sauna Room - 7' x 10' x 8' - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Custom Indoor Sauna Room - 7' x 10' x 8' - Finnish Sauna Builders — exterior view
$12,279.80 - $20,213.20
$12,279.80 - $20,213.20
$12,279.80 - $20,213.20
$12,279.80

Custom Indoor Sauna Room - 7' x 10' x 8' - Finnish Sauna Builders

Finnish Sauna Builders

Custom Indoor Sauna Room - 7' x 10' x 8' - Finnish Sauna Builders — This custom-built Finnish sauna room measures 7' x 10' x 8', hand-crafted by Fi...

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$12,279.80 - $20,213.20
$12,279.80 - $20,213.20
$12,279.80 - $20,213.20
$12,279.80
Finnish Sauna Builders Harvia Cilindro Led Embedding Flange For 6 & 8kw Sauna Heaters - Finnish Sau... — interior bench layout
Finnish Sauna Builders Harvia Cilindro Led Embedding Flange For 6 & 8kw Sauna Heaters - Finnish Sauna Build... — exterior view
$300.00 - $300.00
$300.00
$300.00 - $300.00
$300.00

Harvia Cilindro Led Embedding Flange For 6 & 8kw Sauna Heaters - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Cilindro Led Embedding Flange For 6 & 8kw Sauna Heaters The Harvia embedding flange with lights is perfect for embedding a heater into t...

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$300.00 - $300.00
$300.00
$300.00 - $300.00
$300.00
Finnish Sauna Builders Harvia Cilindro Embedding Flange For 11kw Sauna Heaters - Finnish Sauna Buil... — interior bench layout
Finnish Sauna Builders Harvia Cilindro Embedding Flange For 11kw Sauna Heaters - Finnish Sauna Builders — exterior view
$330.00 - $330.00
$330.00
$330.00 - $330.00
$330.00

Harvia Cilindro Embedding Flange For 11kw Sauna Heaters - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Cilindro Embedding Flange For 11kw Sauna Heaters The Harvia embedding flange is perfect for embedding a heater into the bench. Made of stain...

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$330.00 - $330.00
$330.00
$330.00 - $330.00
$330.00
Finnish Sauna Builders Harvia Chimney Smoke Pipe WZ11520 115 mm Stainless Steel - Finnish Sauna Builders — exterior view
$101.00 - $101.00
$101.00
$101.00 - $101.00
$101.00

Harvia Chimney Vent Pipe WZ11520 115 mm Stainless Steel - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Chimney Vent Pipe WZ11520 115 mm Stainless Steel   The Harvia WZ11520 chimney vent pipe is made of stainless steel, being compatible with al...

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$101.00 - $101.00
$101.00
$101.00 - $101.00
$101.00