When air conditioning emits unpleasant odors

After a period of use, AC often emits unpleasant odors. What are the reasons for this problem?

1. The cause of odor

There are three main causes for the origin of the unpleasant odor:

Bacteria, mold and dirt in the air conditioning:

This is probably the most common cause. Some users rarely maintain and clean AC periodically. This causes to mold, bacteria grow and unpleasant odors.

Smell of gas:

Gas duct might be leaked and cause gas leakage. Gas leakage situation doesn’t only cause unpleasant pungent smell but also cause users fainted because of excessive inhalation of toxic gases. 
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Drain odors from air conditioning:

Final cause is from drain pipe. Some users connect drain pipe directly to drain line of toilet without any measures deodorant. The unpleasant smell in the toilet would be back drain pipe of AC and emit in your room.

2. What to do to fix the problems

To remediate this unpleasant odor, you should do the following steps in turn:

Step 1. Check the exhaust hose:

Check the exhaust hose is connected to the other exhaust line, if so, then exhaust hose of AC should be separated.

Step 2: Check gas duct:

Then check the gas supply system and make sure it does not leak

Step 3: Clean air conditioning carefully:

If you have checked the above steps, and not detect the problem, please clean AC turn in basic hygiene steps.

First, you must enable DRY mode to dehumidify. Then you turn off Aptomat and unplug to clean AC. 
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Also, you should pick an AC with available antibacterial deodorizing function to abate unpleasant odors. With the above methods, we hope that you will deodorize from AC to get a fresh space.  

If you’ve already done some basic troubleshooting and the problem still exists, call  281-495-2013 to  ACS Absolute Comfort for Same day Air conditioning AC HVAC service in Missouri city Texas, we serve in Katy, Sugar Land, Pearland, Richmond and Missouri areas.
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