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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 KIP80B Stainless Steel 8KW Sauna Heater with built-in control - Finni... — interior bench layout
Finnish Sauna Builders Harvia KIP80B Stainless Steel 8KW Sauna Heater with built-in control - Finnish Sauna... — exterior view
$1,221.00 - $1,275.00
$1,221.00 - $1,275.00
$1,221.00 - $1,275.00
$1,221.00

Harvia KIP80B Stainless Steel 8KW Sauna Heater with built-in control - Finnish Sauna Builders

Finnish Sauna Builders

Description The Harvia KIP80B Electric Sauna Heater, with its robust stainless steel exterior, offers an unmatched sauna experience through its adv...

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$1,221.00 - $1,275.00
$1,221.00 - $1,275.00
$1,221.00 - $1,275.00
$1,221.00
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

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 27% Save %
$14,999.00
$14,999.00 - $14,999.00
$14,999.00
$10,999.00
$10,999.00 - $10,999.00
$10,999.00

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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$14,999.00
$14,999.00 - $14,999.00
$14,999.00
$10,999.00
$10,999.00 - $10,999.00
$10,999.00
Save 27% Save %
Finnish Sauna Builders Harvia Extension For Chimney WHP1000M Mm Black - Finnish Sauna Builders — exterior view
$633.00 - $633.00
$633.00
$633.00 - $633.00
$633.00

Harvia Extension For Chimney WHP1000M Mm Black - Finnish Sauna Builders

Finnish Sauna Builders

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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$633.00 - $633.00
$633.00
$633.00 - $633.00
$633.00
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

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...

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$11,540.00 - $19,338.50
$11,540.00 - $19,338.50
$11,540.00 - $19,338.50
$11,540.00
Finnish Sauna Builders Harvia Linear WL425 16 Protective Sheath (side) - Finnish Sauna Builders — exterior view
$264.00 - $264.00
$264.00
$264.00 - $264.00
$264.00

Harvia Linear WL425 16 Protective Sheath (side) - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Linear WL425 16 Protective Sheath (side) The Harvia WL425 protective sheath is designed and approved for wood-heated Harvia stoves (Harvia 1...

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$264.00 - $264.00
$264.00
$264.00 - $264.00
$264.00
Finnish Sauna Builders Harvia Linear 16 WK160C Wood Burning Sauna Stove - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Linear 16 WK160C Wood Burning Sauna Stove - Finnish Sauna Builders — exterior view
$933.00 - $933.00
$933.00
$933.00 - $933.00
$933.00

Harvia Linear 16 WK160C Wood Burning Sauna Stove - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Linear 16 WK160C Wood Burning Sauna Stove The Harvia Linear 16 stove has a straightforward design and a sturdy structure. The wood-heated st...

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$933.00 - $933.00
$933.00
$933.00 - $933.00
$933.00
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

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...

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$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

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...

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$10,800.20 - $27,669.80
$10,800.20 - $27,669.80
$10,800.20 - $27,669.80
$10,800.20
Finnish Sauna Builders Harvia Pro 20 Rs Wood Burning Sauna Stove With Water Tank - Finnish Sauna Bu... — interior bench layout
Finnish Sauna Builders Harvia Pro 20 Rs 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 Rs Wood Burning Sauna Stove With Water Tank - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Pro 20 Rs Wood Burning Sauna Stove With Water Tank The Harvia 20 RS Pro stove is a popular choice for cottage saunas thanks to its practical...

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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 Harvia M3 WKM3 Wood Burning Sauna Stove - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia M3 WKM3 Wood Burning Sauna Stove - Finnish Sauna Builders — exterior view
$941.00 - $941.00
$941.00
$941.00 - $941.00
$941.00

Harvia M3 WKM3 Wood Burning Sauna Stove - Finnish Sauna Builders

Finnish Sauna Builders

Harvia M3 Wood Burning Sauna Stove – Traditional Finnish Heater Bring the timeless tradition of a Finnish sauna into your home with the Harvia M3 W...

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$941.00 - $941.00
$941.00
$941.00 - $941.00
$941.00
Finnish Sauna Builders Harvia Linear 22 Protective Sheath (side) - Finnish Sauna Builders — exterior view
$300.00 - $300.00
$300.00
$300.00 - $300.00
$300.00

Harvia Linear 22 Protective Sheath (side) - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Linear 22 Protective Sheath (side) The Harvia WL525 protective sheath is designed and approved for wood-heated Harvia stoves (Harvia 22/Line...

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$300.00 - $300.00
$300.00
$300.00 - $300.00
$300.00
Finnish Sauna Builders Harvia Cilindro Led Safety Railing For 11kw Sauna Heaters - Finnish Sauna Bu... — interior bench layout
Finnish Sauna Builders Harvia Cilindro Led Safety Railing For 11kw Sauna Heaters - Finnish Sauna Builders — exterior view
$557.00 - $557.00
$557.00
$557.00 - $557.00
$557.00

Harvia Cilindro Led Safety Railing For 11kw Sauna Heaters - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Cilindro Led Safety Railing For 11kw Sauna Heaters The Harvia HPC4L safety railing with lights is a good way to increase bathing safety arou...

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$557.00 - $557.00
$557.00
$557.00 - $557.00
$557.00
Finnish Sauna Builders Harvia 50 WK500 Wood Burning Sauna Stove - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia 50 WK500 Wood Burning Sauna Stove - Finnish Sauna Builders — exterior view
$7,366.00 - $7,366.00
$7,366.00
$7,366.00 - $7,366.00
$7,366.00

Harvia 50 WK500 Wood Burning Sauna Stove - Finnish Sauna Builders

Finnish Sauna Builders

Harvia 50 WK500 Wood Burning Sauna Stove Harvia 50 is the king of public saunas and is designed for really large groups. The huge amount of stones...

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$7,366.00 - $7,366.00
$7,366.00
$7,366.00 - $7,366.00
$7,366.00
Golden Designs Hanko Edition 2 Person Indoor Traditional Steam Sauna, Canadian Red Cedar Interior — angle view
Golden Designs Hanko Edition 2 Person Indoor Traditional Steam Sauna, Canadian Red Cedar Interior — front view
Save 24% Save %
$6,999.00
$6,999.00 - $6,999.00
$6,999.00
$5,299.00
$5,299.00 - $5,299.00
$5,299.00

Golden Designs Hanko Edition 2 Person Indoor Traditional Steam Sauna, Canadian Red Cedar Interior - GDI-7202-01

Golden Designs
In stock

Golden Designs Hanko Edition 2 Person Indoor Traditional Steam Sauna, Canadian Red Cedar Interior - GDI-7202-01 With a Golden Designs indoor or (e...

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$6,999.00
$6,999.00 - $6,999.00
$6,999.00
$5,299.00
$5,299.00 - $5,299.00
$5,299.00
Save 24% Save %
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

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...

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$10,060.30 - $15,807.70
$10,060.30 - $15,807.70
$10,060.30 - $15,807.70
$10,060.30
Finnish Sauna Builders Harvia Pro 20 Ls Wood Burning Sauna Stove With Water Tank - Finnish Sauna Bu... — interior bench layout
Finnish Sauna Builders Harvia Pro 20 Ls 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 Ls Wood Burning Sauna Stove With Water Tank - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Pro 20 Ls Wood Burning Sauna Stove With Water Tank The Harvia 20 LS Pro stove is a popular choice for cottage saunas thanks to its practical...

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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 Harvia Legend Smoke Pipe Cover - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Legend Smoke Pipe Cover - Finnish Sauna Builders — exterior view
$372.00 - $372.00
$372.00
$372.00 - $372.00
$372.00

Harvia Legend Smoke Pipe Cover - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Legend Smoke Pipe Cover The Harvia WL300 smoke pipe guard is designed for a wood-heated Legend stove, which should be equipped with a stone-...

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$372.00 - $372.00
$372.00
$372.00 - $372.00
$372.00
Finnish Sauna Builders Harvia KIP60W Stainless Steel 6KW Sauna Heater - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia KIP60W Stainless Steel 6KW Sauna Heater - Finnish Sauna Builders — exterior view
$981.00 - $1,060.00
$981.00 - $1,060.00
$981.00 - $1,060.00
$981.00

Harvia KIP60W Stainless Steel 6KW Sauna Heater - Finnish Sauna Builders

Finnish Sauna Builders

Description Upgrade your sauna with the Harvia KIP60W Electric Sauna Heater, a premium-quality, wall-mounted sauna heater engineered for optimal pe...

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$981.00 - $1,060.00
$981.00 - $1,060.00
$981.00 - $1,060.00
$981.00
Finnish Sauna Builders Harvia 50 Sl Wood Burning Sauna Stove - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia 50 Sl Wood Burning Sauna Stove - Finnish Sauna Builders — exterior view
$8,037.00 - $8,037.00
$8,037.00
$8,037.00 - $8,037.00
$8,037.00

Harvia 50 Sl Wood Burning Sauna Stove - Finnish Sauna Builders

Finnish Sauna Builders

Harvia 50 Sl Wood Burning Sauna Stove The Harvia 50 SL wood-heated stove provides twice the wonderful opportunities to enjoy the heat. The stove i...

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$8,037.00 - $8,037.00
$8,037.00
$8,037.00 - $8,037.00
$8,037.00
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 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 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
$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 %
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

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
Finnish Sauna Builders Custom Indoor Sauna Room - 4' x 4' x 8' - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Custom Indoor Sauna Room - 4' x 4' x 8' - Finnish Sauna Builders — exterior view
$5,747.40 - $10,573.00
$5,747.40 - $10,573.00
$5,747.40 - $10,573.00
$5,747.40

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

Finnish Sauna Builders

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

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$5,747.40 - $10,573.00
$5,747.40 - $10,573.00
$5,747.40 - $10,573.00
$5,747.40
Finnish Sauna Builders Harvia Linear WL580 22 Es Protective Sheath (side & Rear) - Finnish Sauna Builders — exterior view
$533.00 - $533.00
$533.00
$533.00 - $533.00
$533.00

Harvia Linear WL580 22 Es Protective Sheath (side & Rear) - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Linear WL580 22 Es Protective Sheath (side & Rear)  The Harvia WL580 protective sheath is designed and approved for wood-heated Harvia s...

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$533.00 - $533.00
$533.00
$533.00 - $533.00
$533.00