
Description
2-in-1 Sauna Stove & Fireplace Experience
The Harvia 36 Duo is a unique dual-purpose wood-burning stove that combines a sauna heater and a fireplace in one system. Designed to heat two rooms simultaneously, it allows you to enjoy the sauna while creating a cozy fireplace atmosphere in an adjacent space.
This makes it perfect for luxury home saunas, cabins, and spa-style setups.
High-Powered Performance for Large Saunas
With 31.0kW of output, the 36 Duo is built for large sauna rooms, efficiently heating spaces from 494 to 1271 cubic feet.
Highlights:
- Powerful heat output for large spaces
- Long-lasting, steady warmth
- Authentic wood-fired sauna experience
Dual-Room Heating Advantage
What sets the Duo apart is its innovative two-room functionality:
- Sauna room receives full heating performance
- Adjacent room enjoys a fireplace ambiance
- Firewood can be loaded from outside the sauna
This creates a premium, multi-use sauna environment.
Stone & Steam Performance
The stove requires 132 lbs of sauna stones (3 x 44 lbs, 10–15 cm stones, sold separately). These stones provide:
- Even heat distribution
- Consistent steam output
- Traditional löyly experience
Key Features
✔ 31kW wood-burning sauna stove
✔ 2-in-1 sauna heater + fireplace
✔ Heats two rooms simultaneously
✔ Stainless steel exterior construction
✔ Glass door for fire ambiance
✔ Designed for large sauna spaces
✔ CE certified
What’s Included
Harvia 36 Duo Sauna Stove
Product Specifications
| SKU / Model | WKPR36DUOS / 36 Duo |
| Series | Harvia Duo |
| Type | Stove |
| Color / Finish | Stainless Steel |
| Construction Material | Stainless Steel |
| Output | 31.0kW |
| Wattage | 31000.0W |
| Room Volume | 494-1271 CU. FT. |
| Stone Requirement | 132 lbs |
| Dimensions (W x D x H) | 20"W (510mm) x 31"D (790mm) x 32"H (810mm) |
| Width | 20" (510mm) |
| Depth | 31" (790mm) |
| Height | 32" (810mm) |
| Product Weight | 176 lbs |
| Installation Type | Floor-Mount |
| Certifications | CE |
Technical Documents
| Installation & Operation Manual | Download Manual (PDF) |
| Data Sheet | Download Data Sheet (PDF) |
| Warranty | Download Warranty (PDF) |
Why Choose Harvia Duo Series
With decades of sauna expertise, Harvia designs heaters that deliver authentic Finnish performance with innovative features. The Duo Series stands out by offering a luxury dual-room experience, combining the relaxation of a sauna with the comfort of a fireplace.