Air conditioners work hard to keep your home cool and comfortable as the temperature outside warms up. This hard work can really take a toll on your unit and results in wear and tear on the unit. Most issues can be identified with a yearly spring clean and check, but what happens when the unit is a little too far gone? How do you know when it’s more cost efficient to buy new than it would be to repair? Here are some tips to help you decide whether to replace or repair.