The time interval between services for Air Conditioning systems is unfortunately not the same for every application. The general guideline is once every 12 months, at a minimum. The greatest variant depends on the environment that the Air Sourced Heat Pump system is working within. Conditions can change dramatically from an industrial building, to offices, homes or clean rooms. Each situation needs to be evaluated on an individual basis. If you are unsure please contact us today and we can discuss and advise on a personal level. Young Air Conditioning Ltd is available for servicing any make of professionally installed… Read more »