What Causes HVAC Systems to Fail and How to Prevent It

Preventative maintenance goes a long way in keeping HVAC systems operating as they should be, but breakdowns can still occur.

By Donovan DaCosta

Preventative maintenance goes a long way in keeping HVAC systems operating as they should be, but breakdowns can still occur. These complex systems are made of many components. Without being familiar with how HVAC units and their many parts work, diagnosing issues can be difficult. Especially when you’re managing large multifamily properties, it’s helpful to know about some of the most common causes of HVAC problems, as it can save you, your team, and your residents from a lot of frustration.

Swollen Capacitors

Air conditioners cannot run on their own when their capacitors stop working. The job of a capacitor is to start the motor and to help keep it running. It does this by sending jolts of the energy it stores to the fan. Without the jolts, the fan simply can’t get going. There are a few ways to tell if a capacitor has gone bad. A visual inspection is often the easiest, as a swollen capacitor is a problematic capacitor.

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