Power professional Peter Biermayr spoke of “stabilization at a excessive degree” at an occasion organized by the Local weather Ministry on Wednesday. In 2023, a complete of 57,000 warmth pumps have been put in, together with these for heating and sizzling water. Final 12 months, many bigger warmth pumps with a thermal output of between 10 and 20 kilowatts (KW) have been additionally bought. Biermayr sees this as a sign that even in outdated buildings, individuals are more and more switching from oil or gasoline heating to warmth pumps, typically with out thermal renovation.
Insulation earlier than boiler alternative
Biermayr advises, nonetheless, that the home needs to be insulated earlier than changing the boiler. “If folks have been to renovate beforehand, they might not set up a 20 KW warmth pump, however maybe one with 8 KW,” says the co-author of the Atmosphere Ministry’s new annual report on progressive vitality applied sciences.
The air warmth pump has established itself because the dominant warmth pump know-how. Brine warmth pumps, which extract heating vitality from the bottom, accounted for less than 11 p.c in 2023. Biermayr explains the increase in air warmth pumps with the straightforward and cheap set up.
“Key function within the warmth transition”
Biermayr expects the warmth pump to proceed its success. It performs a key function within the warmth transition, says the professional. The ever-increasing want for cooling because of world warming additionally performs into the know-how’s arms. In complete, half 1,000,000 homes in Austria are heated with warmth pumps.
In accordance with the specialists, heating techniques that use wooden as a gasoline are prone to decline. Co-author Monika Enigl mentioned that by 2050, the availability of area heating utilizing strong biomass will develop into much less related, however there may be one exception: specifically when the open flame is meant to offer consolation within the dwelling area.