Same way aircon installs do - mini-split heat pumps that pump the working fluid from inside to outside & back again through pipework that passes through reasonably small holes in the walls. Air n… (View Post)

There are some shockingly bad installers out there. Just randomly searching just now I found someone who’s installers had told them they didn’t need to change the rads & if their house wasn’t war… (View Post)

Yes they will, you just bolt the heat exchanger to the outside of the wall: A heat pump is just an air conditioner running in reverse. If you can fit air<->air aircon then you can fit aircon th… (View Post)

There are some modern ASHPs that work happily down to something like -25°C. Eg Samsung claim this thing maintains a COP of 5 down to -30°C https://www.samsung.com/uk/business/climate/heating/ac-ehs-a… (View Post)

You’re right, I misread it! (View Post)