Quote:
Originally Posted by mulligan
Unit should be cleaned and thoroughly checked by a certified a/c tech twice a year. Let him clean them out.
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A lot of people do this. Many of the HVAC companies make more money on regular maintenance service than they make on anything else they do. I flush out my condensate drain every few months, change the filter, and make sure the outside condenser unit is clean. My unit is 5 years old and I have never paid anyone for a regular maintenance service. In fact, I have never paid anyone for a regular HVAC maintenance service in more than 40 years. There is really nothing a technician can do to prevent your system from failing.