Add Yahoo as a preferred source to see more of our stories on Google. For years, heat pumps were seen as the fragile heroes of mild climates, efficient in theory but unreliable when the mercury ...

Getting a heat pump may be seen as a huge task requiring new insulation and radiators, but not all homes will need such changes – and there’s an easy way to find out ...

For years, heat pumps were seen as the fragile heroes of mild climates, efficient in theory but unreliable when the mercury dropped. That narrative has now collapsed under the weight of experience.

Heat pumps are now thriving in some of the world’s coldest regions, with Norway, Sweden, Finland, and even Canada seeing record adoption. Modern systems—using variable-speed compressors, better ...