Seasonal space heating energy effi ciency class (from A++ to G)
Rated heat output
Seasonal space heating energy effi ciency
Useful heat output
Useful heat output at rated heat output and high-temperature regime (*)
Useful heat output at 30% of rated heat output and low-temperature regime (**)
Useful effi ciency
Useful heat output at rated heat output and high-temperature regime (*)
Useful heat output at 30% of rated heat output and low-temperature regime (**)
Auxiliary electricity consumption
At full load
At part load
In standby mode
Other items
Standby heat loss
Ignition burner power consumption
Annual energy consumption
Sound power level
Emissions of nitrogen oxides
(*) High-temperature regime means 60°C return temperature at heater inlet and 80°C feed temperature at heater outlet.
(**) Low temperature means for condensing boilers 30°C, for low-temperature boilers 37°C and for other heaters 50°C return temperature (at heater inlet).