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Commercial Air Conditioning Issues You Need to Watch Out for

With warmer temperatures still hanging on for at least a few more weeks, it’s important for your business that you keep an eye on your commercial air conditioning system. After all, the last thing you want is for it to break down when you need it the most. And given how much work it has gone through this summer, that could happen—at least, if you didn’t have maintenance done at the beginning of the season.

The best way to prevent commercial AC problems, and therefore a major business interruption, is to keep an eye (and ear) out for any warning signs that something is amiss, so you can give our team a call for repairs right away. Read on for a closer look at some of the most common commercial AC service calls we receive.


This is the name given to the process where the air conditioner keeps rapidly turning itself on and off every few minutes instead of going through regular cycles throughout the day. This behavior essentially locked the air conditioner in the startup part of its cycle, which is the most stressful and most energy-wasting section there is.

Constantly short-cycling will place the commercial system under more stress than it is designed to handle. This will decrease its lifespan and increase the chances that a breakdown will occur. If this problem begins shortly after system installation, then, unfortunately, it means that you had too large of a system installed for the size of your commercial space.

Other reasons for short cycling, however, include a malfunctioning thermostat, or a damaged compressor. Either way, it’s not something you should wait on—not when you have the comfort of your employees, tenants, and/or customers on the line.

Loss of Cooling Output

If your AC system is not putting out enough cool air, it probably means there is a refrigerant leak. There is a common misconception that refrigerant is something that dissipates anyway, like gasoline from a car. However, your commercial air conditioning system is supplied with enough refrigerant upon installation that it should last its entire lifespan. If you’re losing refrigerant, then, it means there is a leak.

Eventually, this leak will cause the entire air conditioner to break down as it won’t be able to do its job. One of the earliest signs of refrigerant loss, though, is a loss of cooling output—so if you or anyone else in your space notices decreased comfort, it’s time to call in a pro!

Loud Noises

Depending on the nature of your business, you may be used to unfamiliar or loud noises. Maybe you don’t even give them a second thought. But if they’re coming from your commercial AC system, you definitely shouldn’t ignore them. That’s because something like a banging or clanging can indicate a loose part, while a hissing sound can be the sign of that refrigerant leak we mentioned earlier.

If you hear a weird sound coming from your commercial AC, or suspect that the noise you hear is coming from this system, then the next best thing you can do is call our professional technicians for help.

For quality commercial air conditioning service in Jackson, MS, contact EMI Mechanical today.

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