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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 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 Sold out
$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
Out of stock

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
Sold out
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 Sold out
$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
Out of stock

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
Sold out
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 Sold out
$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
Out of stock

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
Sold out
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 16% Save %
$18,999.00
$18,999.00 - $18,999.00
$18,999.00
$15,999.00
$15,999.00 - $15,999.00
$15,999.00

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...

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$18,999.00
$18,999.00 - $18,999.00
$18,999.00
$15,999.00
$15,999.00 - $15,999.00
$15,999.00
Save 16% 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...

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$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...

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$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...

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$8,312.00 - $13,581.40
$8,312.00 - $13,581.40
$8,312.00 - $13,581.40
$8,312.00
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
Sold out
$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
Out of stock

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
Sold out
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
Sold out
$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
Out of stock

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
Sold out
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
Sold out
$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
Out of stock

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
Sold out
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
Sold out
$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
Out of stock

The Harvia HPC3 Safety Railing surrounds your Harvia Cilindro heater to increase bathing safety — sized for 6 kW and 8 kW Cilindro heaters.Key feat...

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$274.00 - $274.00
$274.00
$274.00 - $274.00
$274.00
Sold out
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
Sold out
$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
Out of stock

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
Sold out
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
Sold out
$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
Out of stock

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
Sold out
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
Sold out
$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
Out of stock

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
Sold out
Finnish Sauna Builders Harvia Lead-through Flange WZ020115 Stainless Steel - Finnish Sauna Builders — exterior view
Sold out
$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
Out of stock

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
Sold out
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
Sold out
$583.00 - $583.00
$583.00
$583.00 - $583.00
$583.00

Harvia Power Extension Unit LTY45 - Finnish Sauna Builders

Finnish Sauna Builders
Out of stock

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
Sold out
Finnish Sauna Builders Harvia Masonry Connector WZ011115 Stainless Steel - Finnish Sauna Builders — exterior view
Sold out
$85.00 - $85.00
$85.00
$85.00 - $85.00
$85.00

Harvia Masonry Connector WZ011115 Stainless Steel - Finnish Sauna Builders

Finnish Sauna Builders
Out of stock

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
Sold out
Finnish Sauna Builders Harvia Linear WL475 16 Protective Sheath (side & Rear) - Finnish Sauna Builders — exterior view
Sold out
$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
Out of stock

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
Sold out
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
Sold out
$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
Out of stock

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
Sold out
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
Sold out
$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
Out of stock

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
Sold out
Finnish Sauna Builders Harvia Linear 22 Protective Sheath (side & Rear) - Finnish Sauna Builders — exterior view
Sold out
$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
Out of stock

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
Sold out
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
Sold out
$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
Out of stock

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

View full details
$926.00 - $926.00
$926.00
$926.00 - $926.00
$926.00
Sold out