Summer is officially here! That comes at no surprise to you most likely, since temperatures have been climbing into the 90s in recent weeks. Chances are that you’re already using your air conditioner pretty frequently. Hopefully you haven’t run into any large problems.
However well you think your air conditioner is working though, take a look at your utility bills. If your costs are rising over what you paid last year despite comparable use, then your air conditioner might be losing its efficiency.