Get Your Central Air Conditioning Ready for Summer
Popular Mechanics says, "Sweltering temperatures are just around the
corner, and your best defense is a central air-conditioning system. If you have
one at your house, there are a few things you can do to make sure that it's
tuned up and ready to go when the summer sun arrives…You should leave some of
the more delicate parts of the system, such as the refrigerant lines, to the
professionals. But there are easy things you can do to maintain the system, particularly
before summer heats up." See their article for a guide to what you can do on your own.