Lee installed my air source heat pump over five years ago and it is still going strong without any faults or issues. These guys know what they are doing and the pipework in my boiler room is a work of art. Would not trust anyone else to service their wonderful work. Lee has provided telephone and text support when my hot water failed and showed me how to reset the boiler thermostat - my fault because I had the hot water turned up too much and the system shut down as a protection. Thanks guys read more