An Air Supply Heat Pump is a comparatively basic device, that works on the identical theory to be a fridge BUT IN REVERSE. What this means may be the air from outdoors is sucked into a unit which is blown about various tubes which are filled with a refrigerant. This https://heat-pump-essex58024.blogspothub.com/32490011/not-known-factual-statements-about-heat-pump-essex