Harvia Pro 36 Wood-Burning Sauna Stove | 31kW | 494–1271 cu. ft. | WKPR36M
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Harvia Pro 36 31kW Wood-Burning Sauna Stove — WKPR36M
High-Output Wood Sauna Stove for Large Rooms 494–1,271 cu ft | Graphite Black | Made in Finland
The Harvia Pro 36 is a 31kW wood-burning sauna stove built for larger sauna rooms from 494 to 1,271 cubic feet. With a generous stone capacity, durable steel construction, and a classic graphite black finish, it delivers powerful traditional wood-fired heat and long-lasting warmth for large residential and commercial sauna spaces.
The floor-mounted design features adjustable feet for installation flexibility, and the stove is compatible with a pipe model water heater (sold separately) for added sauna convenience. Designed, engineered, and made in Finland.
Important: Sauna stones and a chimney system are required for operation and are sold separately.
Who This Is For
The Pro 36 is the right choice for sauna owners and builders who need a high-output wood-burning stove for a large sauna room. It’s well-suited for large residential saunas, commercial sauna facilities, and any installation where a smaller stove simply won’t generate enough heat for the room size.
Key Features
- 31kW wood-burning output — designed for sauna rooms 494–1,271 cu ft
- Generous stone capacity for longer-lasting heat retention
- Compatible with a pipe model water heater (sold separately)
- Durable steel construction with graphite black finish
- Floor-mounted with adjustable feet for flexible placement and leveling
- Flue connection at back or top for flexible chimney routing
- Traditional Finnish wood-fired sauna performance
- Designed, engineered, and made in Finland
Specifications
- Model: 36 Pro
- SKU: WKPR36M
- Series: PRO Series
- Power Output: 31kW
- Primary Fuel: Wood
- Room Size: 494–1,271 cu ft
- Minimum Room Height: 81.1” (2,060 mm)
- Stone Requirement: 132 lbs (3 boxes), sold separately
- Maximum Firewood Length: 15.3” (390 mm)
- Recommended Firewood Diameter: 3”–6” (80–150 mm)
- Flue Connection: Back and top
- Construction: Steel
- Color: Graphite Black
- Width: 20” (510 mm)
- Depth: 20” (510 mm)
- Height: 32” (810 mm)
- Heater Weight: 144 lbs
- Shipping Weight (with stones): 276 lbs
- Country of Origin: Finland
Required Components Sold Separately
- Sauna Stones (required): 132 lbs (3 boxes) — see Stone Requirements document for recommended size and type. Purchase an extra box to allow for best-fit selection during loading.
- Chimney system: Compatible wood-burning chimney required — consult a licensed installer
What’s Included
- Harvia Pro 36 Wood-Burning Sauna Stove
- Adjustable legs
- Stove door
- Ash box
- Installation and Operation Manual
- Manufacturer warranty documentation
Shipping & Delivery
This product ships free via freight to the contiguous United States. Delivery is by scheduled appointment. Please inspect your shipment upon arrival and note any visible damage before signing.
Installation Notes
- Floor-mounted installation — requires a non-combustible floor surface or hearth pad
- A compatible chimney system must be installed prior to use — flue connection at back or top
- Sauna stones must be loaded per manufacturer specifications before first use
- Minimum room height: 81.1” (2,060 mm)
- Observe all safety clearance distances per the Safety Information document
- Follow all local building codes and fire safety regulations for wood-burning appliances
- Professional installation strongly recommended
Warranty
This product includes Harvia’s full manufacturer warranty. As an authorized Harvia retailer, Prime Regeneration ensures complete warranty coverage is passed through to you at the time of purchase. View Warranty Document.
Manuals & Documentation
- Installation & Operation Manual
- Product Data Sheet
- Safety Information
- Declaration of Performance
- Spare Parts
- Accessories
- Stone Requirements
- Sizing Your Harvia Heater
Complete Your Sauna Setup
Explore more Harvia sauna heaters, stones, and accessories from Prime Regeneration.
FAQ
What size sauna room does the Pro 36 support?
The Pro 36 is rated for sauna rooms from 494 to 1,271 cubic feet — making it one of the highest-output wood-burning stoves in the Harvia residential lineup.
Does it come with sauna stones?
No — 132 lbs (3 boxes) of sauna stones are required and sold separately. See the Stone Requirements document for recommended size and type.
What chimney system is required?
A chimney system compatible with a wood-burning sauna stove is required. The Pro 36 supports flue connection at the back or top. Consult a licensed installer and follow all local building and fire codes.
Can the Pro 36 be used with a water heater?
Yes — the Pro 36 is compatible with a pipe model water heater (sold separately) for added hot water convenience in your sauna setup.
What is the minimum room height?
The minimum room height for the Pro 36 is 81.1” (2,060 mm).
Does this ship for free?
Yes — free freight shipping is included to the contiguous United States. A delivery appointment will be scheduled prior to shipment.
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Harvia Pro 36 Wood-Burning Sauna Stove | 31kW | 494–1271 cu. ft. | WKPR36M Review Summary
What people like
Pros
- High Heat Output: 31kW output provides significant heat for large saunas and commercial use.
- Durable Construction: Built with high-quality materials to withstand the demands of frequent and heavy use.
- Reliable Performance: Designed for consistent and dependable operation.
- Harvia Reputation: Benefits from Harvia's established reputation for quality sauna equipment.
- Professional Grade: Built for commercial or very frequent residential use.
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