A lot can go wrong with your cooling system.
It is a wet system which means mold, mildew & algae entirely cares about the AC, first, you need to change the air filters with an cooling system.
Change the cooling filter biweekly & you are starting out on the right foot. Ignore the filter & then the system clogs with dust. You have higher utility bills because the cooling system has to labor harder & longer in order to labor through all the debris. You aren’t saving money in the end waiting. Another necessary repair tip is mucking out the condensate drain. It is disgusting, but algae clogs the condensate frequently. Notice a puddle of water around the AC or hear a dripping noise? Know that something is clogged. It is entirely straight-forward to make that repair too. You just need to go outside & fish it out. Another issue is the cooling coil on the AC. It can frequently build up with mold since it is a moist & dark area. This 1 requires you opening the air filter & cleaning the mold off the coil. There is a lot that can be cleaned & fixed by a homeowner. You can add lubrication, scrub the fan blades & oil parts absolutely if you are determined. However, only Heating, Ventilation, & A/C corporations are allowed to handle the refrigerant in the systems; Odds are a faulty cooling system needs a bit more refrigerant in it. So when something fails & you can’t make the repair, call a Heating, Ventilation, & A/C company quickly & get it done.