Over 200 million Americans are experiencing extreme heat. These are the scorching days that put air conditioners to the test. Expert Mike Iarrapino says making sure your filters are clean is key. He also suggests swapping out any old thermostats with new ones with Wi-Fi. Iarrapino recommends having a professional inspect the blower once a year. As for window units, it’s all about keeping them clean. Inside Edition’s Les Trent has more.
