Air source heat pumps have a Performing life of fifteen-20 years or maybe more. But just like a boiler, you'll want to Get the air source heat pump professionally serviced on a yearly basis to maintain your guarantee protection and to ensure It truly is still Performing at its greatest. https://exactlybookmarks.com/story20412546/the-smart-trick-of-r290-propane-heat-pump-that-nobody-is-discussing