Boiler DEFRO FIREWOOD 19 kW

SKU: F170E EAN: 2010000030097
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Defro FIREWOOD Series Wood Log Boilers

The Defro FIREWOOD series boilers are modern heating devices designed for manual loading and burning of wood logs. Engineered for efficient and eco-friendly heating, they meet the stringent standards of the Ecodesign directive and achieve a high energy efficiency rating of A+. The FIREWOOD boilers provide a reliable source of heat for users who prefer traditional wood as a fuel.

Key Features of Defro FIREWOOD Boilers:

  • Designed for burning wood logs: The boiler is optimized for the efficient combustion of wood logs with moisture content up to 25% through manual loading.
  • High energy efficiency: These devices have an energy class rating of A+ and a seasonal energy efficiency of heating rooms at 80%.
  • Compliance with Ecodesign: The boilers meet the requirements of the Commission Regulation (EU) 2015/1189, ensuring low emissions of pollutants, including particulate matter (PM), carbon monoxide (CO), and nitrogen oxides (NOx).
  • Variety of heating outputs: The series includes models with nominal thermal outputs of 12, 15, 19, and 24 kW, allowing the boiler to be tailored to the individual heating needs of the building.
  • Collaboration with a heat buffer: To ensure optimal operation, compliance with emission standards, and maximum efficiency, it is recommended that the boiler be used in conjunction with a suitably selected heat buffer tank.

Who is it a good choice for?

Defro FIREWOOD boilers are an excellent choice for those seeking an efficient and eco-friendly wood log boiler with manual loading. They are ideal for single-family homes where users value traditional fuels and are prepared for the maintenance associated with manual wood replenishment. The need to work in conjunction with a heat buffer makes this a solution for conscious users aiming to optimize their heating system’s performance.

Product Card – DEFRO FIREWOOD Boilers 12-24 kW

PRODUCT CARD – DEFRO FIREWOOD Boilers (12-24 kW)

in accordance with Commission Regulation (EU) No 2015/1189 and Commission Delegated Regulation (EU) No 2015/1187

ParameterFIREWOOD 12FIREWOOD 15FIREWOOD 19FIREWOOD 24
Device Parameters
Model IdentifierFIREWOOD 12FIREWOOD 15FIREWOOD 19FIREWOOD 24
Fuel Feeding MethodManual loading: the boiler must be operated with a hot water storage tank with a minimum capacity of 420 lManual loading: the boiler must be operated with a hot water storage tank with a minimum capacity of 555 lManual loading: the boiler must be operated with a hot water storage tank with a minimum capacity of 735 lManual loading: the boiler must be operated with a hot water storage tank with a minimum capacity of 960 l
Condensing Boilernononono
Solid Fuel Cogeneration Boilernononono
Multifunctional Boilernononono
Parameters according to Regulation 2015/1187
Energy Efficiency ClassA+A+A+A+
Rated Thermal Power (kW)12151924
Energy Efficiency Index (EEI)117117117117
Seasonal Energy Efficiency for Space Heating (ηs) (%)80808080
Fuel and Emissions related to Seasonal Space Heating
Fuel(recommended / other suitable)
Logs, moisture ≤ 25%yes / noyes / noyes / noyes / no
Wood Chips, moisture 15-35%no / nono / nono / nono / no
Wood Chips, moisture > 35%no / nono / nono / nono / no
Pulped Wood in pellet or briquette formno / nono / nono / nono / no
Sawdust, moisture ≤ 50%no / nono / nono / nono / no
Other Wood Biomassno / nono / nono / nono / no
Non-Wood Biomassno / nono / nono / nono / no
Hard Coalno / nono / nono / nono / no
Lignite (including briquettes)no / nono / nono / nono / no
Cokeno / nono / nono / nono / no
Anthraciteno / nono / nono / nono / no
Briquettes of Mixed Fossil Fuelno / nono / nono / nono / no
Other Fossil Fuelno / nono / nono / nono / no
Briquettes of a Mix (30-70%) of Biomass and Fossil Fuelno / nono / nono / nono / no
Other Mixture of Biomass and Fossil Fuelno / nono / nono / nono / no
PM Emission (mg/m³) – Recommended Fuel17171616
OGC Emission (mg/m³) – Recommended Fuel17161716
CO Emission (mg/m³) – Recommended Fuel598641622615
NOₓ Emission (mg/m³) – Recommended Fuel114110111110
Properties When Operating Using Only Recommended Fuel
Produced Usable Heat
at rated thermal power (Pn) (kW)12.1 / 12.515.3 / 15.519.0 / 19.224.4 / 24.1
at 30% of rated thermal power (Pp) (kW)n/an/an/an/a
Operational Efficiency
at rated thermal power (ηn) (%)82.5 / 83.382.4 / 83.182.6 / 83.082.8 / 83.2
at 30% of rated thermal power (ηp) (%)n/an/an/an/a
For Solid Fuel Cogeneration Boilers: Electric Efficiency
at rated thermal power (ηel,n) (%)n/an/an/an/a
Electricity Consumption for Own Use
at rated thermal power (elmax) (kW)n/an/an/an/a
at 30% of rated thermal power (elmin) (kW)n/an/an/an/a
Secondary devices for emission reduction, where applicable (kW)n/an/an/an/a
in standby mode (PSB) (kW)n/an/an/an/a

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