As the temperatures soar, your air conditioner is likely working overtime to keep your home cool and comfortable. But what if it’s not doing its job as well as it used to? If you’ve been sweating through another summer of poor performance, it might be time to consider replacing your AC unit. Here’s how to know when it’s time for a new system—and why summer may actually be the best time to make the switch with a trusted AC contractor in Lorton, VA.