Air conditioners are a wonderful thing, but like any mechanical device, they can have problems. Sometimes it only takes a quick fix, but other times you need to call in a professional.1. Dirty Air Filters
air conditioner not coolingIf you’ve checked the thermostat and it’s set correctly, you may have a dirty air filter. A clogged filter can cause your AC to run longer than usual to cool the home because it has less airflow.
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