Leaking Aircon 101


What to check when the home air conditioning unit starts to leak. (Photo Credits)

Leaking in HVAC units is not normal but sometimes it can occur. It is important that a homeowner knows what to check in case such thing happens. The website Popular Mechanics detailed the three main reasons why air conditioning units leak.

“A stopped-up condensate line—is the most common cause of A/C leaks. The condensate line drains condensation from the overflow pan to the outside or directly into a drainpipe. When the line is clogged, water backs up and floods the overflow pan. Another reason to keep the condensate line clear is that most modern A/C units are equipped with a water-overflow cutoff switch, which automatically shuts down the A/C system if it detects a clogged condensate line. The switch helps prevent water damage, which is good, but most homeowners don’t know why their air-conditioning system suddenly shuts down and they call a service technician.” Read the two other common reasons for leaking HVAC here.

Leak Detection

The website HVAC Training meantime shared some lessons on what to do with HVAC leaks primarily in detecting leakages. A/C And HVAC   

Having a Clean HVAC System

“HVAC leak detection can be one of the hardest parts of being an Hvac Technician. Some refrigerant leaks will stand out at you, sometimes you can see traces of oil around the compressor, indicating a refrigerant leak, or sometimes you can smell the gas and pin point it from there.  But what about those tiny leaks that only seem to grow over the years.” Read the continuation of this training resource here.

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Service ratings website Angie’s List meantime shared a response to one of their readers inquiries on leaking HVAC Refrigerants. Plumbing Association of San Diego       

“A properly working system should never leak refrigerant. If your system is losing refrigerant, there’s a mechanical problem that you need to address. Refrigerant that leaks into the atmosphere is an environmental hazard and as the owner, you are responsible for ensuring your A/C unit is not leaking. A common cause of leaking refrigerant is due to a leak in the evaporator coil or outdoor condenser coil. This can only be fixed by replacing the part.” Read the rest of Angie’s List’s response here.

The Advantages of a Ductless HVAC System

When the HVAC is leaking professional help should definitely be sought. This so that the matter can be addressed as soon as possible, and bigger problems can be avoided.

Diamond Ace Contractors
5052 Genesee Ave, San Diego, CA 92117
(888) 231-1086