The Scottish government says that it intends to wait until 2035 before ramping up the roll-out of the technology.
The government wants more homes to have heat pumps to cut fossil fuel use and drive down energy bills.
The government wants Britons to embrace heat pumps. But will they ever make financial sense for the average user?
Westmorland and Furness Council says replacing the gas boiler will help reach its net zero target.
The universities of Cambridge and Anglia Ruskin are considering connection to a heat pump network.
Independent climate change advisors say the Scottish government needs to ramp up the rollout of heat pumps immediately.
Stormont's economy department has been consulting on options for NI and says it now plans to bring forward a firm proposal this year.
The government has announced the details of its long-awaited Warm Homes Plan which promises to cut energy bills.
Across Europe huge heat pumps are being installed that can heat tens of thousands of homes.
