If you’ve got an aging air conditioner, you may already have realized that it’s not as efficient as it once was. Maintenance, performed by a qualified professional once a year, can keep AC efficiency pretty steady for quite a while. But eventually, even that won’t be enough to prevent the efficiency of your air conditioner from dropping.
Here’s something you might not have known, though: today’s efficient air conditioners are far and away more efficient than even the top-of-the-line systems were when you bought your last air conditioner. Not just more efficient than those air conditioners are now—more efficient than they were when they were brand-new. How are these new high-efficiency air conditioners able to save so much energy? We’ll tell you!