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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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Golden Designs Forssa Edition 3 Person Indoor Traditional Steam Sauna, Canadian Red Cedar Interior — angle view
Golden Designs Forssa Edition 3 Person Indoor Traditional Steam Sauna, Canadian Red Cedar Interior — front view Save 13% Save %
$7,999.00
$7,999.00 - $7,999.00
$7,999.00
$6,999.00
$6,999.00 - $6,999.00
$6,999.00

Golden Designs Forssa Edition 3 Person Indoor Traditional Steam Sauna, Canadian Red Cedar Interior - GDI-7203-01

Golden Designs
In stock

Golden Designs Forssa Edition 3 Person Indoor Traditional Steam Sauna, Canadian Red Cedar Interior - GDI-7203-01 With a Golden Designs traditional...

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$7,999.00
$7,999.00 - $7,999.00
$7,999.00
$6,999.00
$6,999.00 - $6,999.00
$6,999.00
Save 13% Save %
Finnish Sauna Builders Harvia Pro 36 Wood Burning Sauna Stove - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Pro 36 Wood Burning Sauna Stove - Finnish Sauna Builders — exterior view
$2,295.00 - $2,295.00
$2,295.00
$2,295.00 - $2,295.00
$2,295.00

Harvia Pro 36 Wood Burning Sauna Stove - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Pro 36 Wood Burning Sauna Stove The Harvia 36 stove is a powerhouse stove for large saunas. The generous amount of stones guarantees a prop...

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$2,295.00 - $2,295.00
$2,295.00
$2,295.00 - $2,295.00
$2,295.00
Finnish Sauna Builders Harvia Legend Ladel SASPO101 - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Legend Ladel SASPO101 - Finnish Sauna Builders — exterior view
$134.00 - $134.00
$134.00
$134.00 - $134.00
$134.00

Harvia Legend Ladel SASPO101 - Finnish Sauna Builders

Finnish Sauna Builders

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

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$134.00 - $134.00
$134.00
$134.00 - $134.00
$134.00
Finnish Sauna Builders Harvia Cilindro Safety Railing For 11kw Sauna Heaters - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Cilindro Safety Railing For 11kw Sauna Heaters - Finnish Sauna Builders — exterior view
$278.00 - $278.00
$278.00
$278.00 - $278.00
$278.00

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

Finnish Sauna Builders

Harvia Cilindro Safety Railing For 11kw Sauna Heaters The Harvia HPC4 safety railing is a good way to increase bathing safety around the Harvia Cil...

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$278.00 - $278.00
$278.00
$278.00 - $278.00
$278.00
Finnish Sauna Builders Harvia Cilindro PC60 6KW Sauna Heater with built in controls - Finnish Sauna... — interior bench layout
Finnish Sauna Builders Harvia Cilindro PC60 6KW Sauna Heater with built in controls - Finnish Sauna Builders — exterior view
$1,386.00 - $1,386.00
$1,386.00
$1,386.00 - $1,386.00
$1,386.00

Harvia Cilindro PC60 6KW Sauna Heater with built in controls - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Cilindro PC60 6KW Sauna Heater with built in controls The Harvia Cilindro PC60 is a compact yet powerful 6kW electric sauna heater that brin...

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$1,386.00 - $1,386.00
$1,386.00
$1,386.00 - $1,386.00
$1,386.00
Finnish Sauna Builders Harvia Cilindro Led Embedding Flange For 11kw Sauna Heaters - Finnish Sauna... — interior bench layout
Finnish Sauna Builders Harvia Cilindro Led 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 Led Embedding Flange For 11kw Sauna Heaters - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Cilindro Led Embedding Flange For 11kw Sauna Heaters The Harvia embedding flange with lights is perfect for embedding a heater into the benc...

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$330.00 - $330.00
$330.00
$330.00 - $330.00
$330.00
Golden Designs Karlstad 6 Person Outdoor-Indoor PureTech Hybrid Full Spectrum Sauna, Canadian Red Cedar Interior — angle
Golden Designs Karlstad 6 Person Outdoor-Indoor PureTech Hybrid Full Spectrum Sauna, Canadian Red Cedar Interior — front
Save 19% Save %
$20,999.00
$20,999.00 - $20,999.00
$20,999.00
$16,999.00
$16,999.00 - $16,999.00
$16,999.00

Golden Designs Karlstad 6 Person Outdoor-Indoor PureTech Hybrid Full Spectrum Sauna, Canadian Red Cedar Interior - GDI-8226-01

Golden Designs
In stock

Golden Designs Karlstad 6 Person Outdoor-Indoor PureTech Hybrid Full Spectrum Sauna, Canadian Red Cedar Interior - GDI-8226-01 With a Golden Desig...

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$20,999.00
$20,999.00 - $20,999.00
$20,999.00
$16,999.00
$16,999.00 - $16,999.00
$16,999.00
Save 19% Save %
Finnish Sauna Builders Custom Indoor Sauna Room - 5' x 7' x 8' - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Custom Indoor Sauna Room - 5' x 7' x 8' - Finnish Sauna Builders — exterior view
$8,197.20 - $13,546.00
$8,197.20 - $13,546.00
$8,197.20 - $13,546.00
$8,197.20

Custom Indoor Sauna Room - 5' x 7' x 8' - Finnish Sauna Builders

Finnish Sauna Builders

Custom Indoor Sauna Room - 5' x 7' x 8' - Finnish Sauna Builders — This custom-built Finnish sauna room measures 5' x 7' x 8', hand-crafted by Finn...

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$8,197.20 - $13,546.00
$8,197.20 - $13,546.00
$8,197.20 - $13,546.00
$8,197.20
Finnish Sauna Builders Custom Indoor Sauna Room - 8' x 8' x 8' - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Custom Indoor Sauna Room - 8' x 8' x 8' - Finnish Sauna Builders — exterior view
$11,853.50 - $19,662.20
$11,853.50 - $19,662.20
$11,853.50 - $19,662.20
$11,853.50

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

Finnish Sauna Builders

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

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$11,853.50 - $19,662.20
$11,853.50 - $19,662.20
$11,853.50 - $19,662.20
$11,853.50
Finnish Sauna Builders Harvia M3 Protective Sheath (side) - Finnish Sauna Builders — exterior view
$216.00 - $216.00
$216.00
$216.00 - $216.00
$216.00

Harvia M3 Protective Sheath (side) - Finnish Sauna Builders

Finnish Sauna Builders

Harvia M3 Protective Sheath (side) The Harvia WL400 protective sheath is designed and approved for wood-heated Harvia stoves (Harvia M1, M2, M3 and...

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$216.00 - $216.00
$216.00
$216.00 - $216.00
$216.00
Finnish Sauna Builders Harvia Linear WL585 Ls/rs Protective Sheath (side & Rear) - Finnish Sauna Builders — exterior view
$542.00 - $542.00
$542.00
$542.00 - $542.00
$542.00

Harvia Linear WL585 Ls/rs Protective Sheath (side & Rear) - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Linear WL585 Ls/rs Protective Sheath (side & Rear) The Harvia WL585 protective sheath is designed and approved for wood-heated Harvia st...

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$542.00 - $542.00
$542.00
$542.00 - $542.00
$542.00
Finnish Sauna Builders Harvia Cilindro Embedding Flange For 6 & 8kw Sauna Heaters - Finnish Sauna B... — interior bench layout
Finnish Sauna Builders Harvia Cilindro Embedding Flange For 6 & 8kw Sauna Heaters - Finnish Sauna Builders — exterior view
$210.00 - $210.00
$210.00
$210.00 - $210.00
$210.00

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

Finnish Sauna Builders

Harvia Cilindro Embedding Flange For 6 & 8kw Sauna Heaters The Harvia embedding flange is perfect for embedding a heater into the bench. Made o...

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$210.00 - $210.00
$210.00
$210.00 - $210.00
$210.00
Finnish Sauna Builders Harvia Angle Pipe WZ45ST Stainless Steel - Finnish Sauna Builders — exterior view
$172.00 - $172.00
$172.00
$172.00 - $172.00
$172.00

Harvia Angle Pipe WZ45ST Stainless Steel - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Angle Pipe WZ45ST Stainless Steel The Harvia WZ45ST 45°-angle smoke pipe is made of stainless steel, being compatible with all Harvia wood-h...

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$172.00 - $172.00
$172.00
$172.00 - $172.00
$172.00
Finnish Sauna Builders Custom Indoor Sauna Room - 8' x 9' x 8' - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Custom Indoor Sauna Room - 8' x 9' x 8' - Finnish Sauna Builders — exterior view
$12,647.80 - $20,597.70
$12,647.80 - $20,597.70
$12,647.80 - $20,597.70
$12,647.80

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

Finnish Sauna Builders

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

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$12,647.80 - $20,597.70
$12,647.80 - $20,597.70
$12,647.80 - $20,597.70
$12,647.80
Finnish Sauna Builders Custom Indoor Sauna Room - 4' x 6' x 8' - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Custom Indoor Sauna Room - 4' x 6' x 8' - Finnish Sauna Builders — exterior view
$6,900.50 - $12,123.10
$6,900.50 - $12,123.10
$6,900.50 - $12,123.10
$6,900.50

Custom Indoor Sauna Room - 4' x 6' x 8' - Finnish Sauna Builders

Finnish Sauna Builders

Custom Indoor Sauna Room - 4' x 6' x 8' - Finnish Sauna Builders — This custom-built Finnish sauna room measures 4' x 6' x 8', hand-crafted by Finn...

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$6,900.50 - $12,123.10
$6,900.50 - $12,123.10
$6,900.50 - $12,123.10
$6,900.50
Finnish Sauna Builders Harvia Pro 20 WKPR20M Wood Burning Sauna Stove - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Pro 20 WKPR20M Wood Burning Sauna Stove - Finnish Sauna Builders — exterior view
$1,513.00 - $1,513.00
$1,513.00
$1,513.00 - $1,513.00
$1,513.00

Harvia Pro 20 WKPR20M Wood Burning Sauna Stove - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Pro 20 Wood Burning Sauna Stove The Harvia PRO 20 is a powerful wood-burning sauna stove engineered for medium-sized sauna rooms ranging fro...

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$1,513.00 - $1,513.00
$1,513.00
$1,513.00 - $1,513.00
$1,513.00
Finnish Sauna Builders Harvia Legend 150 SL Wood Burning Sauna Stove - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Legend 150 SL Wood Burning Sauna Stove - Finnish Sauna Builders — exterior view
$2,129.00 - $2,129.00
$2,129.00
$2,129.00 - $2,129.00
$2,129.00

Harvia Legend 150 SL Wood Burning Sauna Stove - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Legend 150 SL Wood Burning Sauna Stove Experience the tradition and power of wood-fired sauna bathing with the Harvia Legend 150SL Wood Bur...

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$2,129.00 - $2,129.00
$2,129.00
$2,129.00 - $2,129.00
$2,129.00
Finnish Sauna Builders Harvia KIP80W Stainless Steel 8KW Sauna Heater - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia KIP80W Stainless Steel 8KW Sauna Heater - Finnish Sauna Builders — exterior view
$1,024.00 - $1,137.00
$1,024.00 - $1,137.00
$1,024.00 - $1,137.00
$1,024.00

Harvia KIP80W Stainless Steel 8KW Sauna Heater - Finnish Sauna Builders

Finnish Sauna Builders

Description Enhance your sauna experience with the Harvia KIP80W Electric Sauna Heater, boasting a premium stainless steel exterior for unmatched d...

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$1,024.00 - $1,137.00
$1,024.00 - $1,137.00
$1,024.00 - $1,137.00
$1,024.00
Finnish Sauna Builders Harvia Cilindro PC110E 10.5KW Sauna Heater - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Cilindro PC110E 10.5KW Sauna Heater - Finnish Sauna Builders — exterior view
$1,339.00 - $1,339.00
$1,339.00
$1,339.00 - $1,339.00
$1,339.00

Harvia Cilindro PC110E 10.5KW Sauna Heater - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Cilindro PC110E Sauna Heater – 10.5 kW High-Capacity Electric Sauna Heater for Large Home Saunas The Harvia Cilindro PC110E is a floor-stand...

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$1,339.00 - $1,339.00
$1,339.00
$1,339.00 - $1,339.00
$1,339.00
Golden Designs Bergen 6 Person Outdoor-Indoor Traditional Steam Sauna, Canadian Red Cedar Interior — angle view
Golden Designs Bergen 6 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 Bergen 6 Person Outdoor-Indoor Traditional Steam Sauna, Canadian Red Cedar Interior - GDI-8206-01

Golden Designs
In stock

Golden Designs Bergen 6 Person Outdoor-Indoor Traditional Steam Sauna, Canadian Red Cedar Interior - GDI-8206-01 With a Golden Designs all weather...

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 - 4' x 5' x 8' - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Custom Indoor Sauna Room - 4' x 5' x 8' - Finnish Sauna Builders — exterior view
$6,323.90 - $11,265.50
$6,323.90 - $11,265.50
$6,323.90 - $11,265.50
$6,323.90

Custom Indoor Sauna Room - 4' x 5' x 8' - Finnish Sauna Builders

Finnish Sauna Builders

Custom Indoor Sauna Room - 4' x 5' x 8' - Finnish Sauna Builders — This custom-built Finnish sauna room measures 4' x 5' x 8', hand-crafted by Finn...

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$6,323.90 - $11,265.50
$6,323.90 - $11,265.50
$6,323.90 - $11,265.50
$6,323.90
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

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...

View full details
$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

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...

View full details
$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

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...

View full details
$8,312.00 - $13,581.40
$8,312.00 - $13,581.40
$8,312.00 - $13,581.40
$8,312.00