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General at-home maintenance and servicing by professional technicians are two surefire methods to keep AC problems at bay, but sometimes issues arise. Here are some common air conditioning challenges that you can identify before contacting your local AC service technician:

• Refrigerant leaks call for a professional technician’s expertise. This AC problem may seem like a quick fix, but it involves much more than a top-off. The service tech will repair the leak, test to make sure it’s repaired, and follow it up with a system charge of correct refrigerant fluid levels.
• Although it’s easy for homeowners to maintain, air filters may be overlooked during regular household maintenance. Just like cleaning the vent in a clothes dryer, AC units need their filters cleaned. Keeping air filters and air conditioner coils clean will prevent AC problems, as well as save money in the long run.
• Electronic control failures and thermostat sensor problems can cause serious AC problems, particularly during a Texas dry heat season. Fortunately, qualified service technicians can repair these air conditioning issues, which often result from general wear and tear of the unit. In the case of the thermostat sensor, an evaporation coil may have been knocked out of place.

Although these AC problems do crop up from time to time, a few of them are preventable with proper maintenance.

When these major inconveniences are beyond your own at-home repair, contact the pros at McWilliams Heating, Cooling and Plumbing. Our NATE-certified technicians have been serving the Lufkin and Nacogdoches areas for years and look forward to keeping you cool in the Texas heat.