Before your air conditioner starts up again for the heat of the spring and summer sun, you may want to give your comfort system some extra thought. Your air conditioning system won’t run perfectly forever. But if you intervene, you may be able to help keep your unit in better shape, and you could save money and stress later on. Here are a few things we think any homeowner with a central air conditioner in Joliet, IL should do before the season is in full swing.