DEFRO EVOPELL 15 kW Boiler
Product details
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Defro EVOPELL Pellet Boilers
Defro EVOPELL pellet boilers are modern, fully automated heating appliances that combine high energy efficiency with environmental responsibility. Designed to burn wood pellets, they meet the strict Ecodesign directive standards and feature a high A+ energy rating. The EVOPELL series provides reliable and convenient heating for various types of buildings.
- Product intended for the Polish market
- Warranty for the Polish market.
Key features of Defro EVOPELL boilers:
- Automatic and efficient pellet combustion: The boiler provides convenient, automatic operation using wood pellets or briquettes, achieving high useful efficiency (up to approx. 86%).
- High A+ energy class: Confirmed by a high energy efficiency index (EEI 119–120) and a seasonal space heating efficiency of 81–82%.
- Eco-friendly heating (Ecodesign): The units comply with Commission Regulation (EU) 2015/1189, ensuring low emissions of harmful substances: particulates (PM), carbon monoxide (CO), organic gaseous compounds (OGC), and nitrogen oxides (NOx).
- Power range matched to needs: The series includes models with nominal outputs of 8, 12, 15, and 20 kW, allowing optimal selection of a boiler to match a building’s heat demand.
- Low electricity consumption: An optimized design ensures minimal electrical consumption for the boiler’s own needs, both at nominal and partial load as well as in standby mode.
- Recommended use with a buffer tank: For maximum efficiency and stable operation of the heating system, it is recommended to pair the boiler with a properly sized domestic hot water buffer tank.
Who is this a good choice for?
Defro EVOPELL boilers are an excellent choice for users seeking a modern, eco-friendly, and highly automated pellet-based heating system. With high efficiency, an A+ energy rating, and compliance with Ecodesign standards, they are ideal for single-family homes and smaller commercial properties, delivering thermal comfort with low operating costs and minimal environmental impact.
Technical specifications – DEFRO EVOPELL Boilers (8-20 kW)
| Parameter | EVOPELL 8 | EVOPELL 12 | EVOPELL 15 | EVOPELL 20 |
|---|---|---|---|---|
| Unit parameters | ||||
| Model identifier | EVOPELL 8 | EVOPELL 12 | EVOPELL 15 | EVOPELL 20 |
| Fuel feeding method | Automatic fuel feeding: operation with a domestic hot water storage tank with a minimum capacity of 160 l is recommended | Automatic fuel feeding: operation with a domestic hot water storage tank with a minimum capacity of 240 l is recommended | Automatic fuel feeding: operation with a domestic hot water storage tank with a minimum capacity of 300 l is recommended | Automatic fuel feeding: operation with a domestic hot water storage tank with a minimum capacity of 400 l is recommended |
| Condensing boiler | no | no | no | no |
| Solid fuel cogeneration boiler | no | no | no | no |
| Multifunctional boiler | no | no | no | no |
| Parameters according to Regulation 2015/1187 | ||||
| Energy efficiency class | A+ | A+ | A+ | A+ |
| Rated heat output (kW) | 8 | 12 | 15 | 20 |
| Energy efficiency index (EEI) | 119 | 119 | 120 | 119 |
| Seasonal space heating efficiency (ηs) (%) | 81 | 81 | 82 | 81 |
| Fuel and emissions for seasonal space heating | ||||
| Fuel | (recommended / other suitable) | |||
| Logs, moisture ≤ 25 % | no / no | no / no | no / no | no / no |
| Wood chips, moisture 15-35 % | no / no | no / no | no / no | no / no |
| Wood chips, moisture > 35 % | no / no | no / no | no / no | no / no |
| Compressed wood in the form of pellets or briquettes | yes / no | yes / no | yes / no | yes / no |
| Sawdust, moisture ≤ 50 % | no / no | no / no | no / no | no / no |
| Other woody biomass | no / no | no / no | no / no | no / no |
| Non-woody biomass | no / no | no / no | no / no | no / no |
| Hard coal | no / no | no / no | no / no | no / no |
| Lignite (including briquettes) | no / no | no / no | no / no | no / no |
| Coke | no / no | no / no | no / no | no / no |
| Anthracite | no / no | no / no | no / no | no / no |
| Briquettes from mixed fossil fuel | no / no | no / no | no / no | no / no |
| Other fossil fuel | no / no | no / no | no / no | no / no |
| Briquettes from a mix (30-70 %) of biomass and fossil fuel | no / no | no / no | no / no | no / no |
| Other mix of biomass and fossil fuel | no / no | no / no | no / no | no / no |
| PM emission (mg/m³) – Recommended fuel | 16 | 18 | 15 | 18 |
| OGC emission (mg/m³) – Recommended fuel | 12 | 14 | 15 | 4 |
| CO emission (mg/m³) – Recommended fuel | 216 | 267 | 219 | 286 |
| NOₓ emission (mg/m³) – Recommended fuel | 119 | 123 | 113 | 122 |
| Properties when operated using only the recommended fuel | ||||
| Useful heat produced | ||||
| at rated heat output (Pn) (kW) | 8.6 | 12.4 | 15.4 | 19.1 |
| at 30% of rated heat output (Pp) (kW) | 2.3 | 3.5 | 4.4 | 5.0 |
| Useful efficiency | ||||
| at rated heat output (ηn) (%) | 85.6 | 85.0 | 86.1 | 85.5 |
| at 30% of rated heat output (ηp) (%) | 85.1 | 85.0 | 85.6 | 85.0 |
| for solid fuel cogeneration boilers: electrical efficiency | ||||
| at rated heat output (ηel,n) (%) | n/a | n/a | n/a | n/a |
| Electricity consumption for own use | ||||
| at rated heat output (elmax) (kW) | 0.014 | 0.018 | 0.022 | 0.038 |
| at 30% of rated heat output (elmin) (kW) | 0.008 | 0.011 | 0.017 | 0.019 |
| secondary devices for emission reduction, where applicable (kW) | n/a | n/a | n/a | n/a |
| in standby mode (PSB) (kW) | 0.005 | 0.005 | 0.005 | 0.008 |

