This article can help to those that are looking to familiarize yourself with the subject.
If problems arise with the HVAC system, do a tour of your house before you call in help. This will help the repairman determine what the problem is and how to fix it.
Clean any debris that accumulates on an external condenser units. You never know when things can pile up, like right after it’s windy or rains, and that can ruin your system. It can cause it to overheat.
Turn it off so you don’t get hurt or break something. Next, pop the grill …