Skip to content
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

Best selling products

The most-purchased products at Peak Flow Fitness — sorted automatically by sales velocity across our full catalog. If you want to see what other home gym builders, recovery enthusiasts, athletes, and powersports riders are actually buying right now, this is the shortlist.

Best-sellers cut across every category we carry: cardio (folding treadmills, indoor cycles, rowers), strength (adjustable dumbbells, power racks, functional trainers), recovery (massage guns, infrared saunas, red light therapy, cold plunges), and combat sports — from brands like Body Solid, Golden Designs, Sports Attack, Kaabo, Therasage, Sun Home Saunas, and Muscle D Fitness.

Why best-sellers matter when you're shopping:

  • Proof of demand — these SKUs ship in volume, which means parts and support are well-established
  • Faster ship times — top movers stay stocked in domestic warehouses
  • Battle-tested — high-volume products generate the review base you can actually trust

Free shipping on orders over $999, exclusions apply.

Need a recommendation matched to your specific use case? Email support@peakflowfitness.com.

Filters

$
$
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 ...

View full details
$633.00 - $633.00
$633.00
$633.00 - $633.00
$633.00
Finnish Sauna Builders Harvia Water Heater WP250TH For Harvia Thermio - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Water Heater WP250TH For Harvia Thermio - Finnish Sauna Builders — exterior view
$702.00 - $702.00
$702.00
$702.00 - $702.00
$702.00

Harvia Water Heater WP250TH For Harvia Thermio - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Water Heater WP250TH For Harvia Thermio The stylish steel outer shell of the Thermio water heater suits any sauna. The Thermio water heater ...

View full details
$702.00 - $702.00
$702.00
$702.00 - $702.00
$702.00
Finnish Sauna Builders Harvia Vapour Barrier WHM25 225-250 Mm - Finnish Sauna Builders — exterior view
$300.00 - $300.00
$300.00
$300.00 - $300.00
$300.00

Harvia Vapour Barrier WHM25 225-250 Mm - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Vapour Barrier WHM25 225-250 Mm The Harvia vapor barrier prevents water vapor from entering the building structure. Why buy your Harvia Vap...

View full details
$300.00 - $300.00
$300.00
$300.00 - $300.00
$300.00
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...

View full details
$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 - 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 - 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 - 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 - 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...

View full details
$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 - 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...

View full details
$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 - 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...

View full details
$6,900.50 - $12,123.10
$6,900.50 - $12,123.10
$6,900.50 - $12,123.10
$6,900.50
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...

View full details
$6,323.90 - $11,265.50
$6,323.90 - $11,265.50
$6,323.90 - $11,265.50
$6,323.90
Finnish Sauna Builders Harvia Legend Clothes Hanger SASPO103 - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Legend Clothes Hanger SASPO103 - Finnish Sauna Builders — exterior view
$198.00 - $198.00
$198.00
$198.00 - $198.00
$198.00

Harvia Legend Clothes Hanger SASPO103 - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Legend Clothes Hanger The story of Harvia can be seen in the new Harvia Legend family of sauna accessories. The accessories are an elegant c...

View full details
$198.00 - $198.00
$198.00
$198.00 - $198.00
$198.00
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...

View full details
$2,776.00 - $2,776.00
$2,776.00
$2,776.00 - $2,776.00
$2,776.00
Finnish Sauna Builders Harvia Xenio CX170-U1-15-XW Digital Sauna Control with Wi-Fi - Finnish Sauna... — interior bench layout
Finnish Sauna Builders Harvia Xenio CX170-U1-15-XW Digital Sauna Control with Wi-Fi - Finnish Sauna Builders — exterior view
$1,035.00 - $1,035.00
$1,035.00
$1,035.00 - $1,035.00
$1,035.00

Harvia Xenio CX170-U1-15-XW Digital Sauna Control with Wi-Fi - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Xenio CX170-U1-15-XW Digital Sauna Control with Wi-Fi Connectivity Compatible with KIP and Club Series Sauna Heaters, the Harvia Xenio CX170...

View full details
$1,035.00 - $1,035.00
$1,035.00
$1,035.00 - $1,035.00
$1,035.00
Finnish Sauna Builders Harvia Rain Cap WZ030115 Stainless Steel - Finnish Sauna Builders — exterior view
$69.00 - $69.00
$69.00
$69.00 - $69.00
$69.00

Harvia Rain Cap WZ030115 Stainless Steel - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Rain Cap WZ030115 Stainless Steel The Harvia WZ030115 rain cap is made of stainless steel. Why buy your Harvia Rain Cap WZ030115 Stainless ...

View full details
$69.00 - $69.00
$69.00
$69.00 - $69.00
$69.00
Finnish Sauna Builders Harvia Wall Sauna Heater 6KW with Built-In Controls - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Wall Sauna Heater 6KW with Built-In Controls - Finnish Sauna Builders — exterior view
$1,620.00 - $1,620.00
$1,620.00
$1,620.00 - $1,620.00
$1,620.00

Harvia Wall Sauna Heater 6KW with Built-In Controls - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Wall Sauna Heater 6KW with Built-In Controls The Harvia Wall 6kW 240V Electric Sauna Heater with built-in controls is a premium solution for...

View full details
$1,620.00 - $1,620.00
$1,620.00
$1,620.00 - $1,620.00
$1,620.00
Finnish Sauna Builders Harvia Spirit Safety Railing - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Spirit Safety Railing - Finnish Sauna Builders — exterior view
$259.00 - $259.00
$259.00
$259.00 - $259.00
$259.00

Harvia Spirit Safety Railing - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Spirit Safety Railing The Harvia Spirit Safety Railing, model HSP3M, is an essential accessory for your Harvia Spirit electric stove. Crafte...

View full details
$259.00 - $259.00
$259.00
$259.00 - $259.00
$259.00
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...

View full details
$78.00 - $78.00
$78.00
$78.00 - $78.00
$78.00
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-...

View full details
$372.00 - $372.00
$372.00
$372.00 - $372.00
$372.00
Finnish Sauna Builders Harvia Spirit SP80E 8KW Sauna Heater - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Spirit SP80E 8KW Sauna Heater - Finnish Sauna Builders — exterior view
$1,725.00 - $1,725.00
$1,725.00
$1,725.00 - $1,725.00
$1,725.00

Harvia Spirit SP80E 8KW Sauna Heater - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Spirit SP80E 8KW Sauna Heater The Harvia Spirit electric sauna heater, elevates your sauna sessions by combining the efficiency and design H...

View full details
$1,725.00 - $1,725.00
$1,725.00
$1,725.00 - $1,725.00
$1,725.00
Finnish Sauna Builders Harvia Club KG12G-U3W 12KW Sauna Heater - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Club KG12G-U3W 12KW Sauna Heater - Finnish Sauna Builders — exterior view
$2,086.00 - $2,086.00
$2,086.00
$2,086.00 - $2,086.00
$2,086.00

Harvia Club KG12G-U3W 12KW Sauna Heater - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Club KG12G-U3W 12KW Sauna Heater  The Harvia K125G-U3-NC Club Series 12.5kW Electric Sauna Heater is a high-performance commercial sauna hea...

View full details
$2,086.00 - $2,086.00
$2,086.00
$2,086.00 - $2,086.00
$2,086.00
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...

View full details
$134.00 - $134.00
$134.00
$134.00 - $134.00
$134.00
Finnish Sauna Builders Harvia Steel Accessories Set SA007 - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Steel Accessories Set SA007 - Finnish Sauna Builders — exterior view
$389.00 - $389.00
$389.00
$389.00 - $389.00
$389.00

Harvia Steel Accessories Set SA007 - Finnish Sauna Builders

Finnish Sauna Builders

Harvia Steel Accessories Set The Harvia Black Sauna Accessories Set includes a black stainless steel bucket, ladle, and an easy-to-read Thermo/hygr...

View full details
$389.00 - $389.00
$389.00
$389.00 - $389.00
$389.00
Finnish Sauna Builders Harvia Legend Bucket SASPO100 - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Legend Bucket SASPO100 - Finnish Sauna Builders — exterior view
$335.00 - $335.00
$335.00
$335.00 - $335.00
$335.00

Harvia Legend Bucket SASPO100 - Finnish Sauna Builders

Finnish Sauna Builders

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

View full details
$335.00 - $335.00
$335.00
$335.00 - $335.00
$335.00