Wall-mounted pellet boiler that heats up to 180 m²
HEVO 21: the power of pellets, at last on the wall.
HEVO 21 is the 21 kW wall-mounted pellet boiler designed for home heating of spaces up to 180 m². An innovative solution that brings pellets to the wall and rethinks the way a biomass boiler can fit into a room. Thanks to automatic combustion management and an efficiency of 90.1%, HEVO 21 optimises fuel use, helping to keep heating costs down. Installed vertically, it frees up the floor and concentrates all the necessary technology into a compact structure, designed to make the most of the available space.
Efficiency and power designed to deliver comfort and control over consumption. HEVO 21 features the main hydraulic components, the ROTOX360 self-cleaning burn pot and a 25 kg hopper, with consumption from 1.1 to 4.3 kg/h and up to 25 hours of autonomy at low output. In just 58 × 91 × 46.3 cm, it concentrates complete, reliable technology designed to heat up to 180 m² with the closest attention to efficiency and everyday management.
| Heat Input | 20.8 kW |
| Efficiency | 90.1% |
| Heatable Area | up to 180 m² |
| Hourly Consumption Min - Max | 1.1 - 4.3 kg/h |
| Burn Time Min - Max | 5.3- 25 h |
| Hopper Capacity | 25 kg |
| Dimensions WxHxD | 580 x 910 x 463mm |
| Weight | 105 kg |
| Flue Outlet | Top / Rear - 80 mm |
| Energy Class | A+ |
| Environmental Class DM 186 | ★★★★ |