HEATING SYSTEMS FINLAND: HEATING PUMP AND NET HEATING BELGIUM : OIL ITALY: GAZ GERMANY: GAZ HUNGARY: GAZ CECH: GAZ
YEARLY ENERGY CONSUMPTIONS COUNTRYELECTRICITY kWhHEATING kWh FINLAND BELGIUM ITALY GERMANY HUNGARY CECH
VOLUME AND SURFACE COUNTRYVOLUME m 3 SURFACE m 2 FINLAND BELGIUM ITALY GERMANY HUNGARY CECH
AVERAGE MONTLY TEMPERATURES JFMAMJJASOND FIN BEL ITA GER HU CEC
FIND THE PARAMETER ΔT tot = Σ (20°-T out )*n.days FINLAND4826 BELGIUM3435 ITALY2724 GERMANY3509 HUNGARY3513 CECH4688
Find the parameter K h N hours/dayKf <61,2 71,1FINLAND 8-91ITALY, GERMANY, BELGIUM ,9HUNGARY Beyond 110,8CECH
CALCULATE HEI (heating energy indicator) HEI = kWh * 1000 * K h /(V*Δt tot ) Wh/m 3 °C COUNTRYHEI FINLAND7 BELGIUM5 ITALY 13 GERMANY8 HUNGARY18 CECH4 Could be better miracle We have to work … Wonderful ! Very good We are learning to save
Calculate EEI (electric energy indicator) EEI = kWh * Kh/A COUNTRYEEI FINLAND42 BELGIUM24 ITALY 35 GERMANY15 HUNGARY28 CECH12 Too much!!! Good! Could be better Good! We have to work We can save more