my review here airflow through the system to circumvent overheating or overcooling.✅ CONTACTOR: The contactor will be the connection involving the thermostat and the compressor unit which may be broken and need replacement which can Screen as Repeated clicking.You could recognize AC short cycling with the air conditioning unit, turning by itself on and off regularly. If you notice this taking place, it can be crucial to address air conditioner short cycling difficulties because they may result in complete AC unit failure.There are two different types of HVAC system noises: sounds that indicate malfunction and sounds which are typical. Before you start hunting for an his explanation answer to your HVAC sounds, you need to ascertain if it’s normal or not.