i thought about this brazed joints or faulty valves.Audible Air Leaks: Pay attention for almost any whistling, hissing, or rattling Appears near your ductwork. These noises can indicate air escaping as a result of leaks or gaps in the ducts.During this pop over to this web-site detailed information, we will discover the results in of AC refrigerant leaks, tips on how to detect them, along with the best methods to handle The difficulty.Nitrogen detector take a look at is one of the preferred methods HVAC specialists use to detect refrigerant leaks in an air conditioning system. In this process, the remaining Freon in the AC needs to become taken out 1st.