Signs of really bad central air conditioning problems occurring from HVAC technician

Having a husband who is really handy around the house helps a lot.

He does a lot of things around the house that I could possibly never figure out or really do.

Not to mention it’s great that he knows a ton about HVAC because he is a licensed HVAC technician for a local company in a town that we live in. He just recently inspected our air conditioning system because we are switching from using the furnace to our air conditioner, now that the temperatures are getting warmer. I like to go downstairs and see what he does when he inspects the air conditioner. I would like to learn more about heating and cooling so I have a better idea of what to expect out of our unit. I was down there with him while he was changing the air filter and he was telling me some early air conditioning problems that could occur with an air conditioning unit. One of these problems is that the air conditioning unit could be running but there is no cool air coming out of the vents. It’s just a warm stagnant air. Another problem is that there are different sounds coming from the condenser or the compression unit. He also told me that if I ever hear something like that and that the sounds are very odd that I should turn off the unit and call for service immediately. Another problem that can occur is a leak or a dripping circuit breaker. This is also a major problem that should be dealt with HVAC professionals and they should be called immediately.
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