
In particular, your unit requires a monthly change of air filter in order to maintain its efficiency. If you wait until the annual inspection and tune-up, you can expect your A/C to perform very poorly. Cleaning the outdoor unit should also be a regular activity among homeowners, especially during storm season when the former becomes extremely exposed to various damaging elements.
Lastly, what need have you for an expert when you can simply add vinegar to your drain line to keep it from clogging.
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