There are some symptoms that immediately indicate that something’s going wrong with our climate control devices. For conditioners, it can be a sudden buzzing noise, which not only indicates a breakdown of an AC but also just annoys you and interferes with a comfortable life. All-in-all, it’s important to discover what causes a humming noise. If you live in the South Florida region, contact Aura America HVAC and our experienced specialists will fix any problems with your AC unit making a loud buzzing noise.
Reasons for conditioner making a humming noise
As flu symptoms like a cough or runny nose show us that something’s wrong with our health, the same way a strange noise coming from your cooling device demonstrates your need for immediate repair. So, we hope to answer your question: why is my air conditioner humming:
● Electrical Issues. This point includes a wide range of problems with your AC unit. It can happen because electricity jumps between connections or there are loose electrical connections, leading to buzzing noises. It requires repair as fast as possible not only for proper air cooling but also due to a fire hazard risk. It may be a contactor relay switch failure as well, which makes your outside AC unit make a humming noise.
● Frozen сomponents. Ice buildup on both indoor and outdoor units or a low refrigerant level can cause a buzzing noise, which indicates the freezing condition of your conditioner.
● Mechanical issues. A clogging fan motor or wearing out of an isolation foot on which a compressor sits can produce a loud humming noise. Loose parts of your device also can make an unpleasant noise.
● Compressor malfunction. In this case, a buzzing noise will be a sign of a compressor's incorrect work. So, you should hurry up with fixing it as it’s one of the main parts of the AC unit. A compressor’s breakdown may require replacing the whole conditioner.
A loud humming noise coming from an air conditioner is uncomfortable on its own. However, it can signify even bigger troubles with your device. If you notice humming from your AC unit, don't hesitate to contact us before it's too late for repair.