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

Filters

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

View full details
$498.00 - $498.00
$498.00
$498.00 - $498.00
$498.00
Sold out
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 Sold out
$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
Out of stock

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...

View full details
$2,788.00 - $2,788.00
$2,788.00
$2,788.00 - $2,788.00
$2,788.00
Sold out
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...

View full details
$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 ...

View full details
$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
Sold out
$51.60 - $51.60
$51.60
$51.60 - $51.60
$51.60

Harvia Click Pail And Ladle Set - Finnish Sauna Builders

Finnish Sauna Builders
Out of stock

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

View full details
$51.60 - $51.60
$51.60
$51.60 - $51.60
$51.60
Sold out
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...

View full details
$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
Sold out
$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
Out of stock

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...

View full details
$2,006.00 - $2,006.00
$2,006.00
$2,006.00 - $2,006.00
$2,006.00
Sold out
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
Sold out
$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
Out of stock

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

View full details
$1,195.00 - $1,216.00
$1,195.00 - $1,216.00
$1,195.00 - $1,216.00
$1,195.00
Sold out
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...

View full details
$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
Sold out
$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
Out of stock

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

View full details
$1,280.00 - $1,280.00
$1,280.00
$1,280.00 - $1,280.00
$1,280.00
Sold out
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 ...

View full details
$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
Sold out
$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
Out of stock

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...

View full details
$2,153.00 - $2,153.00
$2,153.00
$2,153.00 - $2,153.00
$2,153.00
Sold out
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...

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 Paraffin Oil, 500ml - Finnish Sauna Builders — exterior view
Sold out
$49.50 - $49.50
$49.50
$49.50 - $49.50
$49.50

Harvia Paraffin Oil, 500ml - Finnish Sauna Builders

Finnish Sauna Builders
Out of stock

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...

View full details
$49.50 - $49.50
$49.50
$49.50 - $49.50
$49.50
Sold out
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
Sold out
$399.00 - $399.00
$399.00
$399.00 - $399.00
$399.00

Harvia Legend Protective Wall Sheath - Finnish Sauna Builders

Finnish Sauna Builders
Out of stock

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

View full details
$399.00 - $399.00
$399.00
$399.00 - $399.00
$399.00
Sold out
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
Sold out
$252.00 - $252.00
$252.00
$252.00 - $252.00
$252.00

Harvia Legend Firewood Basket SASPO102 - Finnish Sauna Builders

Finnish Sauna Builders
Out of stock

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 ...

View full details
$252.00 - $252.00
$252.00
$252.00 - $252.00
$252.00
Sold out
Finnish Sauna Builders Harvia Chimney Smoke Pipe WZ115100 115 mm Stainless Steel - Finnish Sauna Builders — exterior view
Sold out
$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
Out of stock

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

View full details
$206.00 - $206.00
$206.00
$206.00 - $206.00
$206.00
Sold out
Finnish Sauna Builders Harvia Legend Thermometer SASPO104 - Finnish Sauna Builders — exterior view
Sold out
$149.00 - $149.00
$149.00
$149.00 - $149.00
$149.00

Harvia Legend Thermometer SASPO104 - Finnish Sauna Builders

Finnish Sauna Builders
Out of stock

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...

View full details
$149.00 - $149.00
$149.00
$149.00 - $149.00
$149.00
Sold out
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
Sold out
$335.00 - $335.00
$335.00
$335.00 - $335.00
$335.00

Harvia Legend Bucket SASPO100 - Finnish Sauna Builders

Finnish Sauna Builders
Out of stock

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...

View full details
$335.00 - $335.00
$335.00
$335.00 - $335.00
$335.00
Sold out
Finnish Sauna Builders Harvia Chimney Smoke Pipe WZ11550 115 mm Stainless Steel - Finnish Sauna Builders — exterior view
Sold out
$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
Out of stock

The Harvia WZ11550 Smoke Pipe is a 115 mm stainless steel smoke pipe engineered for Harvia wood-burning sauna stoves.Key features Durable stainless...

View full details
$126.00 - $126.00
$126.00
$126.00 - $126.00
$126.00
Sold out
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...

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 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
Sold out
$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
Out of stock

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

View full details
$300.00 - $300.00
$300.00
$300.00 - $300.00
$300.00
Sold out
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
Sold out
$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
Out of stock

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

View full details
$330.00 - $330.00
$330.00
$330.00 - $330.00
$330.00
Sold out
Finnish Sauna Builders Harvia Chimney Smoke Pipe WZ11520 115 mm Stainless Steel - Finnish Sauna Builders — exterior view
Sold out
$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
Out of stock

The Harvia WZ11520 Vent Pipe is a 115 mm stainless steel chimney vent pipe for Harvia wood-burning sauna stoves.Key features Stainless steel const...

View full details
$101.00 - $101.00
$101.00
$101.00 - $101.00
$101.00
Sold out