Add Yahoo as a preferred source to see more of our stories on Google. A traditional gas boiler (left) and a heat pump (right). (Getty Images) A record number of heat pumps were sold last year, ...

For decades, gas central heating has been the default for most UK homes. It is familiar, widely installed and, in many cases, still the cheapest way to heat a property. But that picture is beginning ...

Octopus says heat pumps are now significantly cheaper than boilers to run, but independent data reveals savings depend on ...