Why you should never turn off your A/C unit in the summer Experts explain why turning off your A/C system could be detrimental to your home. USA TODAY 2:12 p.m. PDT July 26, 2019 https://www.usatoday.com/videos/money/2019/08/07/why-you-shouldnt-turn-your-c-unit-off-vacation/1836622001/