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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

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 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 Sold out
$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
Out of stock

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

View full details
$1,195.00 - $1,216.00
$1,195.00 - $1,216.00
$1,195.00 - $1,216.00
$1,195.00
Sold out
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 Sold out
$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
Out of stock

The Harvia HPC4 Safety Railing surrounds your Harvia Cilindro heater to increase bathing safety — sized for the 11 kW Cilindro.Key features Four wo...

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$278.00 - $278.00
$278.00
$278.00 - $278.00
$278.00
Sold out
Finnish Sauna Builders Harvia Xenio CX170-U3-15XW Digital Sauna Control with Wi-Fi - Finnish Sauna... — interior bench layout
Finnish Sauna Builders Harvia Xenio CX170-U3-15XW Digital Sauna Control with Wi-Fi - Finnish Sauna Builders — exterior view Sold out
$1,035.00 - $1,035.00
$1,035.00
$1,035.00 - $1,035.00
$1,035.00

Harvia Xenio CX170-U3-15XW Digital Sauna Control with Wi-Fi - Finnish Sauna Builders

Finnish Sauna Builders
Out of stock

Harvia Xenio CX170-U3-15-XW Digital Sauna Control with Wi-Fi Connectivity Compatible with KIP and Club Series Sauna Heaters, the Harvia Xenio CX170...

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$1,035.00 - $1,035.00
$1,035.00
$1,035.00 - $1,035.00
$1,035.00
Sold out
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 Sold out
$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
Out of stock

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
Sold out
Finnish Sauna Builders Harvia M3 WKM3 Wood Burning Sauna Stove - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia M3 WKM3 Wood Burning Sauna Stove - Finnish Sauna Builders — exterior view
Sold out
$941.00 - $941.00
$941.00
$941.00 - $941.00
$941.00

Harvia M3 WKM3 Wood Burning Sauna Stove - Finnish Sauna Builders

Finnish Sauna Builders
Out of stock

Harvia M3 Wood Burning Sauna Stove – Traditional Finnish Heater Bring the timeless tradition of a Finnish sauna into your home with the Harvia M3 W...

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$941.00 - $941.00
$941.00
$941.00 - $941.00
$941.00
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
Harvia Virta Combi HL80SA water tank and löyly grate detail view
Harvia Virta Combi HL80SA 8kW sauna heater with built-in steamer
Sold out
$3,542.00 - $3,542.00
$3,542.00
$3,542.00 - $3,542.00
$3,542.00

Harvia Virta Combi HL80SA 8kW Sauna Heater with Steamer

Finnish Sauna Builders
Out of stock

The Harvia Virta Combi HL80SA is a 8 kW Finnish-built electric sauna heater designed for homeowners who want both traditional dry heat and steam in...

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$3,542.00 - $3,542.00
$3,542.00
$3,542.00 - $3,542.00
$3,542.00
Sold out
Finnish Sauna Builders Harvia Radiation Cover WZ020130 Stainless Steel - Finnish Sauna Builders — exterior view
Sold out
$64.00 - $64.00
$64.00
$64.00 - $64.00
$64.00

Harvia Radiation Cover WZ020130 Stainless Steel - Finnish Sauna Builders

Finnish Sauna Builders
Out of stock

Harvia Radiation Cover WZ020130 Stainless Steel The Harvia sauna light and shades fill your sauna with pleasant, soft light that complements the ha...

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$64.00 - $64.00
$64.00
$64.00 - $64.00
$64.00
Sold out
Finnish Sauna Builders Harvia M3 Protective Sheath (side) - Finnish Sauna Builders — exterior view
Sold out
$216.00 - $216.00
$216.00
$216.00 - $216.00
$216.00

Harvia M3 Protective Sheath (side) - Finnish Sauna Builders

Finnish Sauna Builders
Out of stock

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
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
Finnish Sauna Builders Harvia Xenio CX30C-U3-XW Digital Sauna Control with Wi-Fi - Finnish Sauna Bu... — interior bench layout
Finnish Sauna Builders Harvia Xenio CX30C-U3-XW Digital Sauna Control with Wi-Fi - Finnish Sauna Builders — exterior view
Sold out
$1,149.00 - $1,149.00
$1,149.00
$1,149.00 - $1,149.00
$1,149.00

Harvia Xenio CX30C-U3-XW Digital Sauna Control with Wi-Fi - Finnish Sauna Builders

Finnish Sauna Builders
Out of stock

Harvia Xenio CX30C-U3-XW Sauna Control Unit with Wi-Fi Connectivity The Harvia Xenio CX30C-U3-XW is an advanced sauna control unit that offers a mo...

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$1,149.00 - $1,149.00
$1,149.00
$1,149.00 - $1,149.00
$1,149.00
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...

View full details
$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 Xenio CX30C-U1-XW Digital Sauna Control with Wi-Fi - Finnish Sauna Bu... — interior bench layout
Finnish Sauna Builders Harvia Xenio CX30C-U1-XW Digital Sauna Control with Wi-Fi - Finnish Sauna Builders — exterior view
Sold out
$1,149.00 - $1,149.00
$1,149.00
$1,149.00 - $1,149.00
$1,149.00

Harvia Xenio CX30C-U1-XW Digital Sauna Control with Wi-Fi - Finnish Sauna Builders

Finnish Sauna Builders
Out of stock

Harvia Xenio CX30C-U1-XW Sauna Control Unit with Wi-Fi Connectivity The Harvia Xenio CX30C-U1-XW is a cutting-edge sauna control unit designed to p...

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$1,149.00 - $1,149.00
$1,149.00
$1,149.00 - $1,149.00
$1,149.00
Sold out
Finnish Sauna Builders Harvia Sauna Heater Cleanser 500ml - Finnish Sauna Builders — exterior view
Sold out
$49.50 - $49.50
$49.50
$49.50 - $49.50
$49.50

Harvia Sauna Heater Cleanser 500ml - Finnish Sauna Builders

Finnish Sauna Builders
Out of stock

Harvia Sauna Heater Cleanser 500ml Sauna heater cleanser, suitable for heaters with a stainless steel surface. Instructions for use: For cleaning a...

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$49.50 - $49.50
$49.50
$49.50 - $49.50
$49.50
Sold out
Finnish Sauna Builders Harvia Club KG10G-U3 10KW Sauna Heater - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Club KG10G-U3 10KW Sauna Heater - Finnish Sauna Builders — exterior view
Sold out
$1,964.00 - $1,964.00
$1,964.00
$1,964.00 - $1,964.00
$1,964.00

Harvia Club KG10G-U3 10KW Sauna Heater - Finnish Sauna Builders

Finnish Sauna Builders
Out of stock

Harvia Club KG10G-U3 10KW Sauna Heater The Harvia K10G-U3-NC Club Series 10kW Electric Sauna Heater is a professional-grade commercial sauna heater...

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$1,964.00 - $1,964.00
$1,964.00
$1,964.00 - $1,964.00
$1,964.00
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
Harvia Virta Pro HL200 208V 3-phase electric sauna heater side angle
Harvia Virta Pro HL200 20kW commercial sauna heater front view
Sold out
$4,799.00 - $4,799.00
$4,799.00
$4,799.00 - $4,799.00
$4,799.00

Harvia Virta Pro HL200 20kW Commercial Sauna Heater

Finnish Sauna Builders
Out of stock

The Harvia Virta Pro HL200 is a 20 kW Finnish-built electric sauna heater designed for commercial spa, hotel, fitness club, and luxury home install...

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$4,799.00 - $4,799.00
$4,799.00
$4,799.00 - $4,799.00
$4,799.00
Sold out
Finnish Sauna Builders Harvia Spirit SP90E 9KW Sauna Heater - Finnish Sauna Builders — interior bench layout
Finnish Sauna Builders Harvia Spirit SP90E 9KW Sauna Heater - Finnish Sauna Builders — exterior view
Sold out
$1,930.00 - $1,930.00
$1,930.00
$1,930.00 - $1,930.00
$1,930.00

Harvia Spirit SP90E 9KW Sauna Heater - Finnish Sauna Builders

Finnish Sauna Builders
Out of stock

Harvia Spirit SP90E 9KW Sauna Heater Experience elevated relaxation with the Harvia Spirit electric sauna heater, a powerful fusion of Finnish craf...

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$1,930.00 - $1,930.00
$1,930.00
$1,930.00 - $1,930.00
$1,930.00
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 Xenio CX45-U1-U3-XW Digital Sauna Control with Wi-Fi - Finnish Sauna... — interior bench layout
Finnish Sauna Builders Harvia Xenio CX45-U1-U3-XW Digital Sauna Control with Wi-Fi - Finnish Sauna Builders — exterior view
Sold out
$1,254.00 - $1,254.00
$1,254.00
$1,254.00 - $1,254.00
$1,254.00

Harvia Xenio CX45-U1-U3-XW Digital Sauna Control with Wi-Fi - Finnish Sauna Builders

Finnish Sauna Builders
Out of stock

Harvia Xenio CX45-U1-U3-XW Digital Sauna Control with Wi-Fi Connectivity The Harvia Xenio CX45-U1-U3-XW is a state-of-the-art sauna control unit wi...

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$1,254.00 - $1,254.00
$1,254.00
$1,254.00 - $1,254.00
$1,254.00
Sold out
Harvia Virta Combi HL110SA 240V 1PH steamer-equipped electric sauna heater side angle
Harvia Virta Combi HL110SA 10.5kW sauna heater front view with stones
Sold out
$3,660.00 - $3,721.00
$3,660.00 - $3,721.00
$3,660.00 - $3,721.00
$3,660.00

Harvia Virta Combi HL110SA 10.5kW Sauna Heater with Steamer

Finnish Sauna Builders
Out of stock

The Harvia Virta Combi HL110SA is a 10.5 kW Finnish-built electric sauna heater designed for homeowners and commercial sauna operators who want pre...

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$3,660.00 - $3,721.00
$3,660.00 - $3,721.00
$3,660.00 - $3,721.00
$3,660.00
Sold out
Harvia Virta Combi HL90SA water tank and löyly stones detail
Harvia Virta Combi HL90SA 9kW sauna heater with built-in steamer
Sold out
$3,603.00 - $3,603.00
$3,603.00
$3,603.00 - $3,603.00
$3,603.00

Harvia Virta Combi HL90SA 9kW Sauna Heater with Steamer

Finnish Sauna Builders
Out of stock

The Harvia Virta Combi HL90SA is a 9 kW Finnish-built electric sauna heater designed for homeowners with 3-5 person saunas who want both dry heat a...

View full details
$3,603.00 - $3,603.00
$3,603.00
$3,603.00 - $3,603.00
$3,603.00
Sold out
Finnish Sauna Builders Harvia Cilindro Led Embedding Flange For 6 & 8kw Sauna Heaters - Finnish Sau... — interior bench layout
Finnish Sauna Builders Harvia Cilindro Led Embedding Flange For 6 & 8kw Sauna Heaters - Finnish Sauna Build... — exterior view
Sold out
$300.00 - $300.00
$300.00
$300.00 - $300.00
$300.00

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

Finnish Sauna Builders
Out of stock

Harvia Cilindro Led Embedding Flange For 6 & 8kw Sauna Heaters The Harvia embedding flange with lights is perfect for embedding a heater into t...

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$300.00 - $300.00
$300.00
$300.00 - $300.00
$300.00
Sold out
EUNORAU E-BIKE US FAT-AWD 3.0 — handlebar and display
EUNORAU E-BIKE US FAT-AWD 3.0 — side profile
$1,699.00 - $1,799.00
$1,699.00 - $1,799.00
$1,699.00 - $1,799.00
$1,699.00

FAT-AWD 3.0

EUNORAU E-BIKE US
In stock

Eunorau FAT-AWD 3.0 26" Fat Tire Model E-Bike Specifications Motor: Front 48V/500W+Rear 500W Hub motor, MAX 110 N.m Battery: 48V 15Ah (Op...

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$1,699.00 - $1,799.00
$1,699.00 - $1,799.00
$1,699.00 - $1,799.00
$1,699.00