The Air Filter.
Your air conditioning unit draws air in through your house, and then cools it, where it sends it back out through your vents. When it draws in air, it also sucks in dust and other pollutants in the air. You dont want all that junk moving through your air conditioning unit, so its advised that you use a clean air filter. Check your air filter and see if its clean. Ideally, you ought to replace your filter once every thirty days or so. If the filter is unclean, your unit is going to work too hard to pull air into the condenser. If this occurs, the unit can freeze up or breakdown entirely BJ Refrigeration . So make sure your filter is clean.
The air thats brought into the unit travels through cooling coils that cool the air. If the coils are filthy, very little air is going to get through, and your house or apartment is going to remain hot. You can clean the coils yourself, or you can hire a specialist. Youll need to use an acid mixture to clean the coils, so it can be a hazardous process. Clean coils however, mean cooler air, so make sure those coils remain clean throughout the summer.
See to it your air conditioning unit has a lot of Freon. You should only need to charge your air conditioning unit with more Freon once a year. Any more than that, and you may have a leak. Discovering a leak is difficult however, therefore you may need to hire somebody to come out and do it for you.
Your air conditioning unit ought to be examined at the beginning of summer so that it can provide you with cool air all season long. Dont spend money if you dont need to. Try all of these ideas first, and then if you absolutely have to, call the A/C guy out to make sure your unit is still working. It may be that you require a new air conditioning unit entirely, however, youll be happy you purchased one when your home stays cool as the days get hotter and hotter.