Your Cart is Empty


Harvia Pro Series 36 DUO Wood Sauna Stove Steel

Questions? Call us at 307-228-7754


Harvia Duo – More atmosphere.

Harvia Pro 36 Duo Steel is a combination of a wood-burning sauna stove and fireplace. Heat your sauna to a bathing temperature – and enjoy the warmth of the fire at the same time. Duo enhances the traditional spirit of the sauna and gives a good, hot bath.

Harvia Duo is also very durable. The outer casing of the stove is made of high-quality stainless steel. The stove has a large, stylish steel-framed glass door. The stove can be equipped with a pipe-mounted water heater.

The size of the sauna room is 494-1271 cu. ft. (14–36 m3) and the maximum amount of stones is 132 lbs (60 kg).

Package Includes: 

  • Sauna Stove
  • Adjustable legs
  • Stove door
  • Ash box
  • Installation and operation manual
  • 2-year warranty



  • Heats two rooms
  • Sophisticated 2-in-1 design
  • Heater and fireplace
  • Wood-burning
  • 31kW
  • For sauna rooms from 494 to 1271 cu. ft.
  • 132-pound stone capacity (Requires 3 boxes sold separately)
  • Steel construction
  • Stainless Steel outer casing
  • Large steel-framed glass door
  • Floor model with adjustable feet
  • Designed, engineered, and made in Finland
  • Dimensions: 20" W (510mm) x 31" D (790mm) x 32" H (810mm)
  • Limited 2-year warranty 



Model WK360SLUX
Output kW 31
Sauna room min. cu. ft. (m3) 494 (14)
Sauna room max. cu. ft. (m3) 1271 (36)
Stone capacity max. lbs (kg) 132 (60)
Dimensions width in (mm) 20 (510)
Dimensions height in (mm) 31 7/8 (810)
Dimensions depth in (mm) 20 + 11 (510 + 280)
Weight lbs (kg) 176 (80)
Safety distance to sides and back, masonry walls E, in (mm) 2 (50)*
Safety distance to sides (B) and back (C), walls and benches made of inflammable materials, in (mm) 19 5/8 (500)
Safety distance to front (D) in (mm) 19 5/8 (500)
Safety distance from upper surface to ceiling A min. in (mm) 49 1/4 (1250)
Fire chamber cover in (mm) 1/4 (6)
Diameter of smoke outlet in (mm) 4 1/2 (115)
* Leave 2″ (50 mm) between the stove and walls, provided that the air can circulate in front and to one side of the stove. If the stove is installed in a recessed wall, leave 4″ (100 mm) between the stove and walls for the air circulation.

Woodburning stove Harvia 36 Duo
Woodburning stove Harvia 36 Duo


Instructions for Installation and Use

Harvia Wood Burning Stoves Instructions for Installation and Use

Click here to View or Download

Harvia Sauna Heater Stones (additional user instructions)

Click here to View or Download



  • The Lowest Price Guaranteed
  • Free Shipping
  • No Sales Tax in the U.S.
  • 2-Year (Consumer use)

Shipping & Returns

Shipping & Returns

Frequently Asked Questions

When will I know my order has shipped?

As soon as you place your order, you will receive an order confirmation e-mail. This means that we have received your order in our system and pre-authorized your credit card for the purchase. As soon as we receive your order, we automatically reach out to our suppliers to confirm that it is in stock and available for immediate shipment. If your item is on backorder or unavailable, we will void the pre-authorization and reach out to you via e-mail. If your item(s) are available for immediate shipment (within 5 business days), we will process the charges and submit the order for shipment. If for some reason, there is a delay in stock, we will contact you before accepting payment.

When will my order ship?

If your order is in stock and we process the charges to your credit card, it will ship within 2-5 business days from the date of your order. We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out. If you do not receive tracking information from us within six business days of your order, feel free to follow up with us">

No Shipping outside the lower 48 in the USA.

If you have questions regarding anything below, please send an email to sales@thefullfacility.comor call us at 1-307-228-7754


Take a look at our Easy Return And Refund Policy: Return And Refund Policy

Our Shipping Partners