Quote:
Originally Posted by Michael G.
Is it good to have the system checked every 6 months or every year?
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I never have mine checked. I flush out the condensate drain line or add some vinegar every 3 months to prevent it from clogging. Change the filter every 3-6 months, depending on how dirty it is. I check the outside unit for dirt or debris near the coils. During a hot day in the summer, I will inspect the suction line (the pipe near the outside unit with black insulation) to see if it is cold and sweating. If it is, you know that the compressor is working. Occasionally, inspect the evaporator coil (the inside unit) for any dirt or rust. I don't think there is anything else that a technician can do to prevent your system from failing. But, if you are going to hire an HVAC company to do periodic maintenance, you still need to maintain the condensate drain more often than every 6 to 12 months. It is a common reason for an AC failure. Also, I would insist that the technician test the electronic float valve in the evaporator drain pan.