humans have been burning things since the stone-age in order to keep warm, so it’s something that is easily understood and everyone is comfortable with.
air source heat pumps take heat from cold air outside and use it to warm the inside of your house.
read that again. it makes no sense. especially considering that certain heat pumps can operate at outside temperatures as low as -20°c, and heat water inside to 90°c. we are used to hot things heating cooler things. if the room is cold, we turn on a radiator. the radiator is hotter than the air around it, and it is this difference in temperature that slowly heats the 