
Description
Harvia Pro 50 Wood-Burning Sauna Stove
High-Power Sauna Heater for Large Spaces
The Harvia Pro 50 is built for sauna users who need powerful heating performance in large sauna environments. Designed to handle rooms from 706 to 1766 cubic feet, this stove delivers strong, consistent heat with the capacity to produce large amounts of steam.
Its robust construction and high stone capacity make it ideal for commercial or large residential saunas where reliability and performance are essential.
Wood-Burning Performance
The Harvia Pro Series stove delivers deep, radiant heat through direct wood combustion, creating an authentic sauna experience that electric heaters cannot replicate.
With 40.0kW of heating power, it efficiently heats large sauna rooms ranging from 706 to 1766 cubic feet while maintaining steady and long-lasting warmth.
Performance benefits include:
Fast and efficient heat-up
Deep, penetrating wood-fired heat
Consistent and even temperature distribution
High Stone Capacity for Large Steam Output
The Pro 50 is designed with a large stone capacity to support consistent heat and strong steam production, even in large sauna rooms.
Benefits include:
Maintains steady heat in large spaces
Supports higher steam output
Improves overall sauna performance
Stone Requirements and Heat Performance
This stove requires 264 lbs of sauna stones (6 boxes of 44 lbs, 10–15 cm stones), sold separately.
Sauna stones absorb and gradually release heat, creating a more balanced and comfortable temperature while enhancing steam quality and durability.
Key Features
40.0kW wood-burning sauna stove
Designed for large sauna rooms
High stone capacity for consistent steam
Durable black steel construction
Reliable performance for heavy use
Wall-mount installation
CE and EAC certified
What’s Included
Sauna stove
Installation and operation manual
Product Specifications
| SKU / Model | WK500 / WK500 |
| Series | Harvia Pro |
| Type | Stove |
| Color / Finish | Black |
| Construction Material | Black Steel |
| Output | 40.0kW |
| Wattage | 40000.0W |
| Room Volume | 706-1766 CU. FT. |
| Stone Requirement | 264 lbs |
| Dimensions (W x D x H) | 20"W (510mm) x 28.3"D (718mm) x 41.3"H (1049mm) |
| Width | 20" (510mm) |
| Depth | 28.3" (718mm) |
| Height | 41.3" (1049mm) |
| Product Weight | 428 lbs |
| Installation Type | Wall-Mount |
| Certifications | CE EAC |
Technical Documents
| Installation & Operation Manual | Download Manual (PDF) |
| Data Sheet | Download Data Sheet (PDF) |
| Warranty | Download Warranty (PDF) |
Why Choose Harvia Pro Series
Harvia sauna heaters are crafted in Finland and are known for their durability, efficiency, and authentic wood-fired performance. The Pro 50 stands out as a high-capacity solution for large sauna spaces, delivering powerful heat and consistent steam for demanding environments.