HARVIA Harvia Duo Series Stainless Steel Wood Sauna Stove Package - Wood-Burning Sauna Heater

Harvia Duo Series Stainless Steel Wood Sauna Stove Package

24.1
$3,499.97
Sale price  $3,499.97 Regular price 
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HARVIA Harvia Duo Series Stainless Steel Wood Sauna Stove Package - Wood-Burning Sauna Heater
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Harvia Duo Series Stainless Steel Wood Sauna Stove Package

$3,499.97
Sale price  $3,499.97 Regular price 
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Harvia Duo Series Stainless Steel Wood Sauna Stove With Sauna Stones 

Harvia Pro 36 DUO - the fire behind the glass hatch of the wood-burning heater creates the atmosphere of the fireplace to a room next to the sauna and allows you to heat the sauna from outside. Harvia Pro 36 DUO is the source of strong steam in large saunas. The heater's stone capacity ensures enjoyable sauna experience and a hot sauna in a short time. The model has adjustable feet for easy installation, which makes it easy to adjust the height of the chimney opening to the right height. The heater can be equipped with a separate chimney model water tank. The outer shell of the heater is made of stainless steel.

Harvia DUO heaters allows more freedom when deciding sauna bench solutions. Water heating can be done conveniently with a separately sold water tank that can be mounted on the chimney.

Features
  • Stainless steel construction
  • Large glass door
  • Heats two rooms
  • Wood burning heater
Manuals

Installation and Operation Manual

Stone Requirements

Safety Sheet

Spare Parts

Accessories

TECHNICAL

MODEL WKPR20DUOS WKPR36DUOS
User group Households Households
Power output 24.1 kW 31 kW
Installation location Floor Floor
Installation orientation Vertically -
Color Black Black
Main material Steel Steel
Use environment Interior - wet area Interior - wet area
Prime energy/fuel Wood Wood
MODEL WKPR20DUOS WKPR36DUOS
Height 29.92 in 3.41 ft
Width 16.93 in 20.08 in
Depth 31.1 in 31.1 in
Stone sizes Ø10–15 cm Ø10–15 cm
Net weight 176.4 lbs 176.4 lbs
Stone amount 88.2 lbs 132.3 lbs
Electrical group options 240VAC, 1ph, 60Hz 240VAC, 1ph, 60Hz

Model Comparision

WKPR20DUOS
WKPR36DUOS
Type code PR20DUO PR36DUO
Room volume 283 - 706 ft³ 494 - 1271 ft³
Certificates CE EAC CE EAC

Great baths for a great group of people

  • Harvia Pro 36 DUO woodburning heater with a large glass hatch for medium-sized saunas with a wall embedded glass hatch
  • The stone capacity ensures a quickly heating and hot sauna
  • Adding firewood from outside the sauna is easy and keeps the sauna room clean
  • Convenient removal of ashes from outside the sauna
  • Pipe connection (115 mm) on top of the stove
  • The DUO heater creates more space in the sauna and allows more freedom when choosing sauna bench solutions

The Top 10 Sauna Questions Answered for You

1. Traditional vs. Infrared: What’s the difference?

Traditional Saunas: Use heated rocks and water to create steam, operating at higher temperatures of 165°F - 180°F.

Infrared Saunas: Use light waves to directly heat your body rather than the air, operating at lower temperatures of 120°F - 150°F.

2. How long should a session last?

Optimal Time: 10 to 15 minutes is the standard recommended duration for a traditional sauna session.

Beginners: Start with 5 to 8 minutes to let your body acclimate to the heat.

Infrared: Because the ambient heat is lower, sessions can sometimes last 20 to 30 minutes.

3. What is the ideal temperature?

Traditional: Set between 170°F and 185°F.

Infrared: Set between 120°F and 130°F to start, adjusting up to 140°F as needed.

4. Can you use a sauna every day?

Frequency: Yes, you can use a sauna daily as long as you are healthy and adequately hydrated.

Advice: If you have pre-existing cardiovascular or medical conditions, consult your physician first.

5. Should you sauna before or after a workout?

After Workout: It is best used for post-workout muscle recovery and relaxation. Wait 10–15 minutes post-exercise to let your heart rate drop and body cool down before entering.

6. Do you need to shower before and after?

Before: Yes, a quick rinse removes lotions, perfumes, and sweat, keeping the sauna clean.

After: A cool shower washes away toxins and sweat, helping to lower your core body temperature.

7. Can you bring your phone or electronics inside?

Verdict: Not recommended. High heat and humidity can permanently damage smartphones, batteries, and electronics. Leave devices outside to fully disconnect.

8. What should you wear?
  • Attire: Bare skin wrapped in a natural-fiber towel or cotton swimsuit is best. Avoid synthetic materials or jewelry, which can heat up and burn your skin.
9. How much water should you drink?

Hydration: Drink at least 16 to 24 ounces of water before your session, and replenish with another 16 ounces after you finish.

10. Can saunas help with weight loss?

Reality Check: Weight lost during a session is strictly water weight from heavy sweating, which will return once you rehydrate. However, regular use supports overall metabolic recovery and wellness.

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