Posted by & filed under General Tips, Seasonal Tips.

It’s frustrating enough to fight the traffic every day to come home after a day on the job, only to find that your air conditioner has stopped working. A hot, toasty home wasn’t exactly what you had in mind for a relaxing night, especially when the outdoor thermometer is shooting beyond the 90˚ mark. So, just what causes your air conditioning unit to flat-out stop working? Here are 4 reasons your A/C stops working.

1. Filters need to be cleaned

This is one of the simplest situations to take care of, but one that people often forget to do. If your filters are not maintained – that is, cleaned and/or changed regularly – the air cannot flow unrestricted through the vents. Dirt, dust, and mold collect on the filter, inhibiting the effectiveness of your unit.

2. Leaky refrigerant

The air conditioning unit in your home needs refrigerant just like cars do – it’s just a different type. Refrigerant is a necessary gas in the cooling process; without it, the house won’t get cool. Sometimes, the refrigerant levels dip too low. There are two reasons for this happening: 1) the unit was not filled properly during installation, or 2) you have a leak. Refrigerant, when simply added to the unit, will likely solve the problem only temporarily. If the source of the leak isn’t discovered and fixed, it will only be a matter of time before the leak starts up again. For this reason, consult a professional, like the ones here at M&M Mechanical, to get to the root of the problem.

3. Breaker is tripped

Sometimes the air conditioner can trip your breaker and the whole thing will shut down. If you discover that, after flipping the breaker back on, it trips again, it’s definitely time to call your technician for an assessment.

4. System is frozen up

Anytime you see ice on the evaporator coil within your home, it is bound to get warm inside. The evaporator sends the hot air out to the condenser outside, but when the evaporator coil is frozen, it can’t do the job.

These are some of the common problem areas of air conditioners. If you are experiencing any air conditioning issues, give us a call at (703) 751-1011 to help you resolve your issue.

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