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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. Certain exclusions apply.

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

Need seating for your sauna? See the Thera360 Floor Chair.

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Finnish Sauna Builders Custom Indoor Sauna Room - 6' x 8' x 8' - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Custom Indoor Sauna Room - 6' x 8' x 8' - Finnish Sauna Builders — exterior view
$9,882.80 - $15,746.50
$9,882.80 - $15,746.50
$9,882.80 - $15,746.50
$9,882.80

Custom Indoor Sauna Room - 6' x 8' x 8' - Finnish Sauna Builders

Finnish Sauna Builders
In stock

Custom Indoor Sauna Room - 6' x 8' x 8' - Finnish Sauna Builders — This custom-built Finnish sauna room measures 6' x 8' x 8', hand-crafted by Finn...

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$9,882.80 - $15,746.50
$9,882.80 - $15,746.50
$9,882.80 - $15,746.50
$9,882.80
Finnish Sauna Builders Custom Indoor Sauna Room - 6' x 7' x 8' - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Custom Indoor Sauna Room - 6' x 7' x 8' - Finnish Sauna Builders — exterior view
$9,197.40 - $14,595.40
$9,197.40 - $14,595.40
$9,197.40 - $14,595.40
$9,197.40

Custom Indoor Sauna Room - 6' x 7' x 8' - Finnish Sauna Builders

Finnish Sauna Builders
In stock

Custom Indoor Sauna Room - 6' x 7' x 8' - Finnish Sauna Builders — This custom-built Finnish sauna room measures 6' x 7' x 8', hand-crafted by Finn...

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$9,197.40 - $14,595.40
$9,197.40 - $14,595.40
$9,197.40 - $14,595.40
$9,197.40
Finnish Sauna Builders Custom Indoor Sauna Room - 6' x 6' x 8' - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Custom Indoor Sauna Room - 6' x 6' x 8' - Finnish Sauna Builders — exterior view
$8,312.00 - $13,581.40
$8,312.00 - $13,581.40
$8,312.00 - $13,581.40
$8,312.00

Custom Indoor Sauna Room - 6' x 6' x 8' - Finnish Sauna Builders

Finnish Sauna Builders
In stock

Custom Indoor Sauna Room - 6' x 6' x 8' - Finnish Sauna Builders — This custom-built Finnish sauna room measures 6' x 6' x 8', hand-crafted by Finn...

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$8,312.00 - $13,581.40
$8,312.00 - $13,581.40
$8,312.00 - $13,581.40
$8,312.00
Finnish Sauna Builders Harvia Masonry Connector WZ011115 Stainless Steel - Finnish Sauna Builders — exterior view
$85.00 - $85.00
$85.00
$85.00 - $85.00
$85.00

Harvia Masonry Connector WZ011115 Stainless Steel - Finnish Sauna Builders

Finnish Sauna Builders
In stock

Harvia Masonry Connector WZ011115 Stainless Steel The Harvia WZ011115 masonry connector is made of stainless steel. Why buy your Harvia Masonry Co...

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$85.00 - $85.00
$85.00
$85.00 - $85.00
$85.00
Finnish Sauna Builders Harvia 20 Pro/sl/duo/boiler/sl Boiler Protective Sheath (side & Rear) - Finnish Saun... — exterior view
$513.00 - $513.00
$513.00
$513.00 - $513.00
$513.00

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

Finnish Sauna Builders
In stock

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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$513.00 - $513.00
$513.00
$513.00 - $513.00
$513.00
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 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
In stock

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 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
In stock

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
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 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
In stock

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...

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

Harvia Legend Protective Wall Sheath - Finnish Sauna Builders

Finnish Sauna Builders
In stock

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 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
In stock

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...

View full details
$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 Adapter Pipe WZ115155 4" to 6" - Finnish Sauna Builders — exterior view
$105.00 - $105.00
$105.00
$105.00 - $105.00
$105.00

Harvia Adapter Pipe WZ115155 4" to 6" - Finnish Sauna Builders

Finnish Sauna Builders
In stock

Harvia Adapter Pipe WZ115155 4" to 6" With this simple adapter pipe, your new Harvia wood-burning sauna heater will connect easily to any 6" chimne...

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$105.00 - $105.00
$105.00
$105.00 - $105.00
$105.00
Finnish Sauna Builders Harvia 36/duo Protective Sheath (side & Rear) - Finnish Sauna Builders — exterior view
$531.00 - $531.00
$531.00
$531.00 - $531.00
$531.00

Harvia 36/duo Protective Sheath (side & Rear) - Finnish Sauna Builders

Finnish Sauna Builders
In stock

Harvia 36/duo Protective Sheath (side & Rear) Harvia wood heater protective shields, for side and rear. Use for Harvia 36/Duo. The protective s...

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$531.00 - $531.00
$531.00
$531.00 - $531.00
$531.00
Finnish Sauna Builders Harvia 20 Sl Wood Burning Sauna Stove - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia 20 Sl Wood Burning Sauna Stove - Finnish Sauna Builders — exterior view
$1,781.00 - $1,781.00
$1,781.00
$1,781.00 - $1,781.00
$1,781.00

Harvia 20 Sl Wood Burning Sauna Stove - Finnish Sauna Builders

Finnish Sauna Builders
In stock

Harvia 20 Sl Wood Burning Sauna Stove The SL models are designed for people who want to conveniently heat their sauna from another room or outside ...

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$1,781.00 - $1,781.00
$1,781.00
$1,781.00 - $1,781.00
$1,781.00
Golden Designs Nora 2-Person Outdoor-Indoor PureTech Hybrid Full Spectrum Sauna, Canadian Red Cedar Interior — angle vie
Golden Designs Nora 2-Person Outdoor-Indoor PureTech Hybrid Full Spectrum Sauna, Canadian Red Cedar Interior — front vie
Save 21% Save %
$18,999.00
$18,999.00 - $18,999.00
$18,999.00
$14,999.00
$14,999.00 - $14,999.00
$14,999.00

Golden Designs Nora 2-Person Outdoor-Indoor PureTech Hybrid Full Spectrum Sauna, Canadian Red Cedar Interior - GDI-8222-01

Golden Designs
In stock

Golden Designs Nora 2 Person Outdoor-Indoor PureTech Hybrid Full Spectrum Sauna, Canadian Red Cedar Interior - GDI-8222-01 With a Golden Designs ...

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$18,999.00
$18,999.00 - $18,999.00
$18,999.00
$14,999.00
$14,999.00 - $14,999.00
$14,999.00
Save 21% Save %
Finnish Sauna Builders Harvia Extension For Chimney WHP1000M Mm Black - Finnish Sauna Builders — exterior view
$651.00 - $651.00
$651.00
$651.00 - $651.00
$651.00

Harvia Extension For Chimney WHP1000M Mm Black - Finnish Sauna Builders

Finnish Sauna Builders
In stock

Harvia Extension For Chimney WHP1000M Mm Black The Harvia WHP1000M steel chimney extension made of black powder-coated steel enables you to easily ...

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$651.00 - $651.00
$651.00
$651.00 - $651.00
$651.00
Finnish Sauna Builders Custom Indoor Sauna Room - 7' x 9' x 8' - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Custom Indoor Sauna Room - 7' x 9' x 8' - Finnish Sauna Builders — exterior view
$11,540.00 - $19,338.50
$11,540.00 - $19,338.50
$11,540.00 - $19,338.50
$11,540.00

Custom Indoor Sauna Room - 7' x 9' x 8' - Finnish Sauna Builders

Finnish Sauna Builders
In stock

Custom Indoor Sauna Room - 7' x 9' x 8' - Finnish Sauna Builders — This custom-built Finnish sauna room measures 7' x 9' x 8', hand-crafted by Finn...

View full details
$11,540.00 - $19,338.50
$11,540.00 - $19,338.50
$11,540.00 - $19,338.50
$11,540.00
Finnish Sauna Builders Custom Indoor Sauna Room - 5' x 6' x 8' - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Custom Indoor Sauna Room - 5' x 6' x 8' - Finnish Sauna Builders — exterior view
$7,566.20 - $12,792.70
$7,566.20 - $12,792.70
$7,566.20 - $12,792.70
$7,566.20

Custom Indoor Sauna Room - 5' x 6' x 8' - Finnish Sauna Builders

Finnish Sauna Builders
In stock

Custom Indoor Sauna Room - 5' x 6' x 8' - Finnish Sauna Builders — This custom-built Finnish sauna room measures 5' x 6' x 8', hand-crafted by Finn...

View full details
$7,566.20 - $12,792.70
$7,566.20 - $12,792.70
$7,566.20 - $12,792.70
$7,566.20
Finnish Sauna Builders Custom Indoor Sauna Room - 7' x 8' x 8' - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Custom Indoor Sauna Room - 7' x 8' x 8' - Finnish Sauna Builders — exterior view
$10,800.20 - $27,669.80
$10,800.20 - $27,669.80
$10,800.20 - $27,669.80
$10,800.20

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

Finnish Sauna Builders
In stock

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

View full details
$10,800.20 - $27,669.80
$10,800.20 - $27,669.80
$10,800.20 - $27,669.80
$10,800.20
Finnish Sauna Builders Custom Indoor Sauna Room - 7' x 7' x 8' - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Custom Indoor Sauna Room - 7' x 7' x 8' - Finnish Sauna Builders — exterior view
$10,060.30 - $15,807.70
$10,060.30 - $15,807.70
$10,060.30 - $15,807.70
$10,060.30

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

Finnish Sauna Builders
In stock

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

View full details
$10,060.30 - $15,807.70
$10,060.30 - $15,807.70
$10,060.30 - $15,807.70
$10,060.30
Golden Designs Drammen 3 Person Outdoor-Indoor Traditional Steam Sauna, Canadian Red Cedar Interior — angle view
Golden Designs Drammen 3 Person Outdoor-Indoor Traditional Steam Sauna, Canadian Red Cedar Interior — front view
Save 18% Save %
$16,999.00
$16,999.00 - $16,999.00
$16,999.00
$13,999.00
$13,999.00 - $13,999.00
$13,999.00

Golden Designs Drammen 3 Person Outdoor-Indoor Traditional Steam Sauna, Canadian Red Cedar Interior - GDI-8203-01

Golden Designs
In stock

Golden Designs Drammen 3 Person Outdoor-Indoor Traditional Steam Sauna, Canadian Red Cedar Interior - GDI-8203-01 With a Golden Designs all weathe...

View full details
$16,999.00
$16,999.00 - $16,999.00
$16,999.00
$13,999.00
$13,999.00 - $13,999.00
$13,999.00
Save 18% Save %
Finnish Sauna Builders Custom Indoor Sauna Room - 5' x 5' x 8' - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Custom Indoor Sauna Room - 5' x 5' x 8' - Finnish Sauna Builders — exterior view
$6,935.20 - $12,078.50
$6,935.20 - $12,078.50
$6,935.20 - $12,078.50
$6,935.20

Custom Indoor Sauna Room - 5' x 5' x 8' - Finnish Sauna Builders

Finnish Sauna Builders
In stock

Custom Indoor Sauna Room - 5' x 5' x 8' - Finnish Sauna Builders — This custom-built Finnish sauna room measures 5' x 5' x 8', hand-crafted by Finn...

View full details
$6,935.20 - $12,078.50
$6,935.20 - $12,078.50
$6,935.20 - $12,078.50
$6,935.20