HARVIA PRO 20 Duo Steel Sauna Wood Stove / Heater

Harvia wood-burning sauna stove

HARVIA PRO 20 Duo Steel Sauna Wood Stove / Heater

Starting at$3,517.00CAD
Sauna volume: 283–706 ft³Stones: 40 kgFloor installationWood-burning
Warranty: 1 yearManufacturer warranty
CE & EAC certifiedManufacturer-listed certifications
Harvia sauna stoveMade in FinlandFinnish sauna craftsmanship Canada-wide deliveryFree Shipping in Canada*Nearest carrier terminal · pickup required

Product information

Designed for authentic wood-fired Finnish steam

Harvia Pro 20 Duo Steel Wood-Burning Sauna Stove: Embrace the Rustic Charm of Traditional Sauna

Harvia Pro 20 Duo Steel is a combination of woodburning sauna stove and fireplace. Heat your sauna to bathing temperature and enjoy the warmth of the fire at the same time. Harvia enhances the traditional spirit of the sauna and gives a good, hot bath.

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

The recommended size of the sauna room is 283-706 cu. ft. (8–20 m3) and the maximum amount of stones is 88 lbs (40 kg).

!

Wood-stove installation noticeInstallation must follow the manufacturer manual, required safety clearances, and all applicable local building and fire codes. Use approved chimney components and have the installation inspected by the authority having jurisdiction.

Manuals and drawings

Product downloads

Official manuals and model-specific documents from the current product.

PDF
Pro 20 Duo ManualOfficial product document
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01

Required choice

Choose the Stove

This card is the real WooCommerce stove with its current catalog price.
02

Required choice

Choose Sauna Stove Stones

The required number of stone boxes updates with the selected heater model.
03

Optional choice

Choose Compatible Stove Parts and Accessories

Only accessories compatible with the selected heater model and control are shown.
04

Required choice

Choose Sauna Accessories

ALSO IN THE PRO FAMILY

Looking for a different through-wall design?

Compare the Pro 20 SL, explore integrated water tanks, or choose the larger Pro 36 Duo for a larger sauna.

HARVIA PRO Harvia Pro 20 SL — Through-wall loading Through-wall loading

ANOTHER WAY TO ENJOY YOUR SAUNA

Harvia Pro 20 SL

Heat the sauna while adding wood from the other side of the wall.

You're viewing
Through-wall loading with a large glass fireplace door
This alternative
Load through the wall from an adjoining space

For sauna rooms of 283–706 ft³. Plan the wall opening and required clearances for the SL firebox extension.

Explore Harvia Pro 20 SL

More in the Pro family

Harvia Pro 20 — Inside loading

Inside loading

Harvia Pro 20

Load firewood inside the sauna with the standard Pro 20.

For sauna rooms of 283–706 ft³. Use the model-specific clearances and compatible installation accessories.

Explore Harvia Pro 20
Harvia Pro 20 ES — 20 L front water tank

20 L front water tank

Harvia Pro 20 ES

Heat bathwater as your sauna warms, with a water tank at the front of the stove.

The integrated tank holds 20 L. Its side tap can be fitted on the left or right; allow space to fill and use the tank.

Explore Harvia Pro 20 ES
Harvia Pro 20 LS — 30 L left-side water tank

30 L left-side water tank

Harvia Pro 20 LS

Add a larger bathwater tank on the left side of the stove, with a tap at the front.

LS identifies the left-side 30 L tank. This model is loaded inside the sauna; check the space needed beside the stove.

Explore Harvia Pro 20 LS
Harvia Pro 36 Duo Steel — Larger sauna range · Duo fireplace

Larger sauna range · Duo fireplace

Harvia Pro 36 Duo Steel

Keep the Duo fireplace experience with a larger sauna heating range.

For sauna rooms of 494–1,271 ft³. Confirm the wall opening, clearances and chimney components for the Pro 36 Duo.

Explore Harvia Pro 36 Duo Steel

Google Reviews

What customers say about Zapara

Independent feedback from our Google Business Profile.

Read all reviews on Google ↗
Recent customer feedback
JL
Jennifer LaingPosted on Google
G
★★★★★

Amazing customer service and products. Always there to answer a technical question and advise on best practices when building a sauna.

CS
Cosmin SoarePosted on Google
G
★★★★★

Excellent communication and good European design sauna door.

PM
Paul MadsenPosted on Google
G
★★★★★

Serge at Zapara was very responsive in email communication clarifying my sauna heater needs, Wi-Fi control, stones and size.

FS
Funnel (Shared)Posted on Google
G
★★★★★

Excellent service, very friendly and very responsive.

AT
Anna TrinhPosted on Google
G
★★★★★

We ordered a sauna heater and had a fantastic experience from start to finish. Great communication and price.

JT
Jeff TaylorPosted on Google
G
★★★★★

Amazing customer service and fantastic products.

KEEP YOUR HEATER READY

Parts & accessories for Harvia Pro 20 Duo Steel

Check the model and fit notes below before ordering. Prices in CAD.

Browse the parts catalog

Need a replacement part? Send the heater model, serial number and a photo of the part or rating plate. We’ll help confirm the fit.

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