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Polar HMR 80 Sauna Heater | Designer series 8kW | Reviews, Price, and Specifications



Red Electric Sauna Heater made by Polar

The Polar HMR 45 is a 8,000 watt (8.0 kW) electric sauna heater designed for rooms 250-425 cubic feet.

Sauna hot room height for the HMR 80 should be between 6’4 and 8′ with a minimum floor size of 31 square feet.  This may be an excellent choice for your a large 5-10 person home sauna.

The Polar Designer Electric Sauna Heaters come in 4.5kw, 6kw, and 8kw versions.

The HMR Designer Series models are wall mounted electric sauna heaters with ETL and UL listings and can be ordered for commercial and non-commercial use.

Polar Sauna USA is located in Cocato, MN – but these heaters are built and assembled by TyloHelo.

The outer casing and rock cavity are made with aluminum-zinc alloy, the outer cover is cast aluminum and the grill is stainless steel.

The unit does not come with an electric plug and should be wired by a qualified electrician.  Make sure your electric service is adequate and you have room on your electric panel.

It is 240v AC and pulls 33 amps.  It should be wired with a 8-2 WG copper wire.   Polar HMR heaters can also be purchased in 208v 1 or 3 phase so make sure you are ordering the right one.  (240v/3p, 208v/1p, 208v/3p)

The stove is designed to handle the traditional sauna practice of dropping water on the rocks to create steam.  They have a stone capacity of 50 pounds and ship with 50 pounds of volcanic sauna rocks.

Polar HMR series heaters come standard with timer and delay functions mounted on the bottom front of the unit.

The controls include a basic 60 minute timer with a 1-8 hour delay function, allowing the sauna to be set up to 8 hours in advance.

If you need need outside or wall-mounted controls you must purchase a HNVR 80 SC sauna heater if you wish to stay with the Polar brand.

Polar offers a one year limited warranty.

  • Heater Size: 23″h x 16″w x 11″d
  • Red
  • 3 Stainless steel 2670 watt heating elements.  (1 phase, 240 volt).  Replacement heating elements for the Polar HMR 80 can be purchased here.

Where to buy Polar HMR 80 Electric Sauna Heaters

Polar offers factory closeout and scratch-and-dent discounts by contacting their factory at 800-346-6536.

United States

Cedarbrook Sauna and Steam – $879
Saunas.com – $791
Superior Saunas – $938
123 Saunas – $1,025
Menards – $883

Polar Sauna Manual



Maximum Temperature and Size Index

Estimated Max Temp
Heater Size Index
19-32 watts/ft3
Manufacturer Recommended Room Size
250 ft3 Minimum | 420 ft3 Maximum
  • 100F
  • 125F
  • 150F
  • 175F
  • 19-32 watts/ft3 | Max 200F
  • 225F
  • 250F
  • 275F
  • 300F


Updated on April 21, 2019 at 3:41 pm

  • Price: $791
  • Total Size: 420 Max Cubic Feet
  • People: 4-8
  • Sauna Type: Heater - Electric
  • Status: For Sale - New
  • Sauna Rocks: Comes with 50 lbs of Volcanite sauna rocks.
  • Electricity: Grid
  • Length: 23"h x 16"w x 11"d
  • Controls: On Heater. 60 minute timer and 8 hour delay function.

Other Models

Title Notes Price KW Voltage Max Room Size Minimum Clearance

Polar HMR-45

w/ 33 Lbs of Stones $690 / USD 4.5 240 Volt 210 Cubic Feet 3"

Polar HMR-60

w/ 50 Lbs of Stones $790 / USD 6 240 Volt 310 Cubic Feet 4"

Polar HMR-80

w/ 50 lbs of Stones $879 / USD 8 240 Volt 425 Cubic Feet 5"


People: 3-6MAX CBF: 300

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7 months ago


People: 3-6MAX CBF: 300

Heater - Electric

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People: 2-5Max Cubic Feet: 210

Heater - Electric

7 months ago


People: 2-5Max Cubic Feet: 210

Heater - Electric

7 months ago

Bath: 1-4Max Cubic Feet: 130

Heater - Electric

7 months ago


Bath: 1-4Max Cubic Feet: 130

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7 months ago

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Red Electric Sauna Heater made by Polar


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