You think anything to do with HVAC is complicated. This is because of the subject.
If you struggle with your HVAC, do a tour of your house before you call in help. This will help the contractor determine where the problem is.
Know what you want done before you select an HVAC contractor. It will be hard for an HVAC contractor to give you with an estimate over the phone without knowing what your current setup is. It will be way more hard if you over the phone without the information readily available.
Clean the fan blades and coils each spring to ensure that your condenser fan operates at it’s best. Clean off any leaves or debris from your condenser unit regularly.
Be sure to clean external condenser units. Debris can pile up after a storm, and this can foul up the inner workings of your system.It will damage the system to malfunction by overheating.
Don’t get grass clippings on your outdoor condenser. Direct the grass clippings away from the equipment. This also applies when you are taking care of the leaves in debris.
Lubricate the oil ports on your fan condenser at least once each year. You will notice these ports have a rubber or metal caps. Use a lightweight, and put 10 drops or fewer in each port, but make sure to avoid overfilling them.
Put outdoor unit in the shade.
Turn off outdoor condenser when it’s getting cold. This should turn it off to prevent damage if the temperature drops below 60ºF to avoid damage. This helps your system working for years and save you a lot on repairs.
This article offered a lot of information about HVAC systems. It can be difficult to learn this sort of thing without motivation, but if you want to learn, you can. When things begin to click, you’ll be glad you did.