Heat pumps are becoming more popular, but high upfront costs deter buyers. European governments offer subsidies to encourage switching from gas boilers. However, uptake dropped in 2023, risking EU climate targets. Aira, a clean energy company, offers a subscription model to make heat pumps more accessible. Research shows financial barriers remain, but heat pumps can be installed in various building types. Support varies across Europe, with some countries providing significant grants. Teljes cikk (Euronews.com)