Oyvind Solstad shows where his heat pump’s air intake is placed outside his house near Oslo, Norway, on October 10, 2023. Norway is among the countries with the most heat pumps per capita, along with neighbouring Finland and Sweden, according to figures from the European Heat Pump Association (EHPA). (Photo by Petter Berntsen / AFP) / TO GO WITH AFP STORY BY PIERRE-HENRY DESHAYES – TO GO WITH AFP STORY by Pierre-Henry DESHAYES
