3 Common Problems With Commercial Air Conditioners


If you own or operate a large building, you know how important it is to keep that building consistently cooled off. Problems with your commercial air conditioner can spell big trouble for your customers and for your employees. If you want to keep everyone comfortable, it's a good idea to know about the most common issues that occur with commercial air conditioners and how to solve them.

1. Inconsistent Airflow

Sometimes, you might notice that there is plenty of cold air coming out of some vents and very little air coming out of other vents. This can lead to your building developing hot and cold spots. Some offices might get overly stuffy, while other employees have to put sweaters on! Inconsistent airflow is often caused by a dirty air filter. Just like at home, you need to change your commercial air filter every couple of months, so the AC unit does not have to work too hard to push air through the system. 

In rare cases, the inconsistent airflow may actually be due to an obstruction somewhere in the ducts. Perhaps an animal built a nest in the ducts. If you change the air filter and still experience uneven cooling, your HVAC contractor will have to come and take a look and clear any obstructions.

2. Rattling Noises

You might not ever notice rattling noises if the air conditioner is located far away from the area of the building where you spend time. However, if you venture down near the air conditioner and hear some rattling, you should look into the problem further. Commercial air conditioners are huge machines with a lot of moving parts, and it's likely that a bolt or belt is coming loose. You'll want to have an HVAC contractor come look at the unit before it works itself all of the way loose, causing you to lose AC completely.

3. Clogged Drain Lines

Commercial air conditioners pull a lot of moisture out of the air since they cool such a large space. If the drain line gets clogged, you may end up with a lot of water all over the floor near the unit. Luckily, this is a pretty simple problem to solve as long as you can locate the drain line. Suck the clog out with a shop vacuum or use a pipe cleaner fed down the pipe to clean it out. In the worst-case scenario, you may need to replace the drain line.

For more information, contact your local commercial AC services.


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Last winter, I became frustrated with how often our home was chilly and uncomfortable. It was really devastating to deal with the prospect of trying to stay warm at night and during the chilly days, but I realized that it might have something to do with our HVAC system. Instead of ignoring the issue, I decided that it might be best to contact a professional to check our system out. When the expert came out, he went through our machinery and found several issues. When it was fixed, the difference was amazing. Read more on this blog to find out how to improve your home heating system.