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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.

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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 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...

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$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

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...

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$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
Finnish Sauna Builders Custom Indoor Sauna Room - 6' x 10' x 8' - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Custom Indoor Sauna Room - 6' x 10' x 8' - Finnish Sauna Builders — exterior view
$11,357.00 - $28,341.30
$11,357.00 - $28,341.30
$11,357.00 - $28,341.30
$11,357.00

Custom Indoor Sauna Room - 6' x 10' x 8' - Finnish Sauna Builders

Finnish Sauna Builders

Custom Indoor Sauna Room - 6' x 10' x 8' - Finnish Sauna Builders — This custom-built Finnish sauna room measures 6' x 10' x 8', hand-crafted by Fi...

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$11,357.00 - $28,341.30
$11,357.00 - $28,341.30
$11,357.00 - $28,341.30
$11,357.00
Finnish Sauna Builders Harvia Club KG15G-U3W 15KW Sauna Heater - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Club KG15G-U3W 15KW Sauna Heater - Finnish Sauna Builders — exterior view
$2,286.00 - $2,286.00
$2,286.00
$2,286.00 - $2,286.00
$2,286.00

Harvia Club KG15G-U3W 15KW Sauna Heater - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Club KG15G-U3W 15KW Sauna Heater The Harvia K15G-U3-NC Club Series 15kW Electric Sauna Heater is a top-tier commercial sauna heater engineer...

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$2,286.00 - $2,286.00
$2,286.00
$2,286.00 - $2,286.00
$2,286.00
Finnish Sauna Builders Harvia Cilindro PC60E 6KW Sauna Heater - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Cilindro PC60E 6KW Sauna Heater - Finnish Sauna Builders — exterior view
$1,147.00 - $1,147.00
$1,147.00
$1,147.00 - $1,147.00
$1,147.00

Harvia Cilindro PC60E 6KW Sauna Heater - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Cilindro PC60E Sauna Heater – 6 kW Compact Yet Powerful Electric Sauna Heater for Home Saunas The Harvia Cilindro PC60E is a compact yet hig...

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$1,147.00 - $1,147.00
$1,147.00
$1,147.00 - $1,147.00
$1,147.00
Finnish Sauna Builders Harvia 36 Duo Wood Burning Sauna Stove - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia 36 Duo Wood Burning Sauna Stove - Finnish Sauna Builders — exterior view
$3,315.00 - $3,315.00
$3,315.00
$3,315.00 - $3,315.00
$3,315.00

Harvia 36 Duo Wood Burning Sauna Stove - Finnish Sauna Builders

Finnish Sauna Builders

Harvia 36 Duo Wood Burning Sauna Stove Harvia Duo is a combination of a wood-burning sauna stove and fireplace. Heat your sauna to bathing temperat...

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$3,315.00 - $3,315.00
$3,315.00
$3,315.00 - $3,315.00
$3,315.00
Finnish Sauna Builders Custom Indoor Sauna Room - 5' x 8' x 8' - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Custom Indoor Sauna Room - 5' x 8' x 8' - Finnish Sauna Builders — exterior view
$8,828.20 - $14,467.80
$8,828.20 - $14,467.80
$8,828.20 - $14,467.80
$8,828.20

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

Finnish Sauna Builders

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

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$8,828.20 - $14,467.80
$8,828.20 - $14,467.80
$8,828.20 - $14,467.80
$8,828.20
Finnish Sauna Builders Custom Indoor Sauna Room - 6' x 9' x 8' - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Custom Indoor Sauna Room - 6' x 9' x 8' - Finnish Sauna Builders — exterior view
$10,691.30 - $27,548.40
$10,691.30 - $27,548.40
$10,691.30 - $27,548.40
$10,691.30

Custom Indoor Sauna Room - 6' x 9' x 8' - Finnish Sauna Builders

Finnish Sauna Builders

Custom Indoor Sauna Room - 6' x 9' x 8' - Finnish Sauna Builders — This custom-built Finnish sauna room measures 6' x 9' x 8', hand-crafted by Finn...

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$10,691.30 - $27,548.40
$10,691.30 - $27,548.40
$10,691.30 - $27,548.40
$10,691.30