Help is at hand though courtesy of [petey53], who made his own ground source heat pump for his Toronto house using a pair of window-mounted air conditioning units. A custom copper “trombone ...

People who have had heat pumps installed say there are implications in terms of cost, noise and the look of your home ...

The appliances are more expensive and less common than air-source heat pumps. But big incentives and superb efficiency can ...

or live in regions with a mild climate are most likely to pay the higher price premium for a house equipped with an air source heat pump. In regions where the heat pump penetration rate is larger ...