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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 Legend 150 Wood Burning Sauna Stove - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Legend 150 Wood Burning Sauna Stove - Finnish Sauna Builders — exterior view
$2,089.00 - $2,575.50
$2,089.00 - $2,575.50
$2,089.00 - $2,575.50
$2,089.00

Harvia Legend 150 Wood Burning Sauna Stove - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Legend 150 Wood Burning Sauna Stove The Harvia Legend 150 Wood Burning Sauna Stove is a premium wood-fired heater designed to deliver an aut...

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$2,089.00 - $2,575.50
$2,089.00 - $2,575.50
$2,089.00 - $2,575.50
$2,089.00
Finnish Sauna Builders Harvia Legend 240 SL Wood Burning Sauna Stove - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Legend 240 SL Wood Burning Sauna Stove - Finnish Sauna Builders — exterior view
$2,502.00 - $2,502.00
$2,502.00
$2,502.00 - $2,502.00
$2,502.00

Harvia Legend 240 SL Wood Burning Sauna Stove - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Legend 240 SL Wood Burning Sauna Stove The Harvia Legend 240 SL is a powerful wood-burning sauna stove that pays tribute to the rich Finnish...

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$2,502.00 - $2,502.00
$2,502.00
$2,502.00 - $2,502.00
$2,502.00
Finnish Sauna Builders Harvia Legend 240 Greenflame Wood Burning Sauna Stove - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Legend 240 Greenflame Wood Burning Sauna Stove - Finnish Sauna Builders — exterior view
$2,776.00 - $2,776.00
$2,776.00
$2,776.00 - $2,776.00
$2,776.00

Harvia Legend 240 Greenflame Wood Burning Sauna Stove - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Legend 240 Greenflame Wood Burning Sauna Stove The Harvia Legend 240 GreenFlame (240GF) is a premium wood-burning sauna stove engineered for...

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$2,776.00 - $2,776.00
$2,776.00
$2,776.00 - $2,776.00
$2,776.00
Finnish Sauna Builders Harvia Cilindro Safety Railing For 6 & 8kw Sauna Heaters - Finnish Sauna Bui... — interior bench layout
Finnish Sauna Builders Harvia Cilindro Safety Railing For 6 & 8kw Sauna Heaters - Finnish Sauna Builders — exterior view
$274.00 - $274.00
$274.00
$274.00 - $274.00
$274.00

Harvia Cilindro Safety Railing For 6 & 8kw Sauna Heaters - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Cilindro Safety Railing For 6 & 8kw Sauna Heaters The Harvia HPC3 safety railing is a good way to increase bathing safety around the Har...

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$274.00 - $274.00
$274.00
$274.00 - $274.00
$274.00
Finnish Sauna Builders Harvia Cilindro PC80E 8KW Sauna Heater - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Cilindro PC80E 8KW Sauna Heater - Finnish Sauna Builders — exterior view
$1,474.00 - $1,474.00
$1,474.00
$1,474.00 - $1,474.00
$1,474.00

Harvia Cilindro PC80E 8KW Sauna Heater - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Cilindro PC80E Sauna Heater – 8 kW Premium Electric Sauna Heater for Medium-Sized Home Saunas The Harvia Cilindro PC80E is a high-efficiency...

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$1,474.00 - $1,474.00
$1,474.00
$1,474.00 - $1,474.00
$1,474.00
Finnish Sauna Builders Harvia Cilindro PC80 8KW Sauna Heater with built in controls - Finnish Sauna... — interior bench layout
Finnish Sauna Builders Harvia Cilindro PC80 8KW Sauna Heater with built in controls - Finnish Sauna Builders — exterior view
$1,474.00 - $1,474.00
$1,474.00
$1,474.00 - $1,474.00
$1,474.00

Harvia Cilindro PC80 8KW Sauna Heater with built in controls - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Cilindro PC80 8KW Sauna Heater with built in controls The Harvia Cilindro PC80 is an 8kW floor-standing electric sauna heater that combines ...

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$1,474.00 - $1,474.00
$1,474.00
$1,474.00 - $1,474.00
$1,474.00
Finnish Sauna Builders Harvia Cilindro Led Safety Railing For 6 & 8kw Sauna Heaters - Finnish Sauna... — interior bench layout
Finnish Sauna Builders Harvia Cilindro Led Safety Railing For 6 & 8kw 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 6 & 8kw Sauna Heaters - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Cilindro Led Safety Railing For 6 & 8kw Sauna Heaters The Harvia HPC3L safety railing with lights is a good way to increase bathing safe...

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$557.00 - $557.00
$557.00
$557.00 - $557.00
$557.00
Finnish Sauna Builders Harvia Lead-through Flange WZ020115 Stainless Steel - Finnish Sauna Builders — exterior view
$78.00 - $78.00
$78.00
$78.00 - $78.00
$78.00

Harvia Lead-through Flange WZ020115 Stainless Steel - Finnish Sauna Builders

Finnish Sauna Builders

Why buy your Harvia Lead-through Flange WZ020115 Stainless Steel from Peak Flow Fitness Authorized Finnish Sauna Dealer — Full manufacturer w...

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$78.00 - $78.00
$78.00
$78.00 - $78.00
$78.00
Finnish Sauna Builders Harvia KIP45B Stainless Steel 4.5KW Sauna Heater with built-in control - Fin... — interior bench layout
Finnish Sauna Builders Harvia KIP45B Stainless Steel 4.5KW Sauna Heater with built-in control - Finnish Sau... — exterior view
Sold out
$1,121.00 - $1,121.00
$1,121.00
$1,121.00 - $1,121.00
$1,121.00

Harvia KIP45B Stainless Steel 4.5KW Sauna Heater with built-in control - Finnish Sauna Builders

Finnish Sauna Builders
Out of stock

Description Enjoy traditional Finnish sauna comfort with the Harvia KIP45B Electric Sauna Heater, an efficient, wall-mounted heating solution craft...

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$1,121.00 - $1,121.00
$1,121.00
$1,121.00 - $1,121.00
$1,121.00
Sold out
Finnish Sauna Builders Harvia Power Extension Unit LTY45 - Finnish Sauna Builders — exterior view
$583.00 - $583.00
$583.00
$583.00 - $583.00
$583.00

Harvia Power Extension Unit LTY45 - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Power Extension Unit LTY45 The Harvia Power Extension Unit LTY45 is a specialized control component designed to enhance the capabilities of ...

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$583.00 - $583.00
$583.00
$583.00 - $583.00
$583.00
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

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 Linear WL475 16 Protective Sheath (side & Rear) - Finnish Sauna Builders — exterior view
$624.00 - $624.00
$624.00
$624.00 - $624.00
$624.00

Harvia Linear WL475 16 Protective Sheath (side & Rear) - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Linear WL475 16 Protective Sheath (side & Rear) The Harvia WL475 protective sheath is designed and approved for wood-heated Harvia stove...

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$624.00 - $624.00
$624.00
$624.00 - $624.00
$624.00
Finnish Sauna Builders Harvia Cilindro PC90 9KW Sauna Heater with built in controls - Finnish Sauna... — interior bench layout
Finnish Sauna Builders Harvia Cilindro PC90 9KW Sauna Heater with built in controls - Finnish Sauna Builders — exterior view
$1,578.00 - $1,578.00
$1,578.00
$1,578.00 - $1,578.00
$1,578.00

Harvia Cilindro PC90 9KW Sauna Heater with built in controls - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Cilindro PC90 9KW Sauna Heater with built in controls The Harvia Cilindro PC90 is a high-performance 9kW electric sauna heater that brings e...

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$1,578.00 - $1,578.00
$1,578.00
$1,578.00 - $1,578.00
$1,578.00
Finnish Sauna Builders Harvia Cauldron 50 WP500 L Wood Burning Sauna Stove - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Cauldron 50 WP500 L Wood Burning Sauna Stove - Finnish Sauna Builders — exterior view
$1,765.00 - $1,765.00
$1,765.00
$1,765.00 - $1,765.00
$1,765.00

Harvia Cauldron 50 WP500 L Wood Burning Sauna Stove - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Cauldron 50 WP500 L Wood Burning Sauna Stove HARVIA cauldrons are designed for heating larger amounts of water, mostly in cottage settings. ...

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$1,765.00 - $1,765.00
$1,765.00
$1,765.00 - $1,765.00
$1,765.00
Finnish Sauna Builders Harvia Linear 22 Protective Sheath (side & Rear) - Finnish Sauna Builders — exterior view
$640.00 - $640.00
$640.00
$640.00 - $640.00
$640.00

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

Finnish Sauna Builders

Harvia Linear 22 Protective Sheath (side & Rear) The Harvia WL575 protective sheath is designed and approved for wood-heated Harvia stoves (Har...

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$640.00 - $640.00
$640.00
$640.00 - $640.00
$640.00
Finnish Sauna Builders Harvia KIP45W Stainless Steel 4.5KW Sauna Heater - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia KIP45W Stainless Steel 4.5KW Sauna Heater - Finnish Sauna Builders — exterior view
$926.00 - $926.00
$926.00
$926.00 - $926.00
$926.00

Harvia KIP45W Stainless Steel 4.5KW Sauna Heater - Finnish Sauna Builders

Finnish Sauna Builders

Description Experience authentic Finnish sauna tradition with the Harvia KIP45W Electric Sauna Heater, a powerful, wall-mounted electric heater des...

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$926.00 - $926.00
$926.00
$926.00 - $926.00
$926.00
Finnish Sauna Builders Harvia 20 Pro/sl/duo/boiler/sl Boiler Protective Sheath (side & Rear) - Finnish Saun... — exterior view
$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

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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$498.00 - $498.00
$498.00
$498.00 - $498.00
$498.00
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
$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

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...

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$2,788.00 - $2,788.00
$2,788.00
$2,788.00 - $2,788.00
$2,788.00
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 23% Save %
$12,999.00
$12,999.00 - $12,999.00
$12,999.00
$9,999.00
$9,999.00 - $9,999.00
$9,999.00

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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$12,999.00
$12,999.00 - $12,999.00
$12,999.00
$9,999.00
$9,999.00 - $9,999.00
$9,999.00
Save 23% 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 17% Save %
$8,999.00
$8,999.00 - $8,999.00
$8,999.00
$7,499.00
$7,499.00 - $7,499.00
$7,499.00

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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$8,999.00
$8,999.00 - $8,999.00
$8,999.00
$7,499.00
$7,499.00 - $7,499.00
$7,499.00
Save 17% Save %
Finnish Sauna Builders Harvia Click Pail And Ladle Set - Finnish Sauna Builders — exterior view
$51.60 - $51.60
$51.60
$51.60 - $51.60
$51.60

Harvia Click Pail And Ladle Set - Finnish Sauna Builders

Finnish Sauna Builders

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

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$51.60 - $51.60
$51.60
$51.60 - $51.60
$51.60
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...

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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 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
$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

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...

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$2,006.00 - $2,006.00
$2,006.00
$2,006.00 - $2,006.00
$2,006.00
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
$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

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

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$1,195.00 - $1,216.00
$1,195.00 - $1,216.00
$1,195.00 - $1,216.00
$1,195.00