HVAC do's and don'ts with fluctuating temperatures

IVESDALE, Ill. (WCIA) -- With all the fluctuating temperatures, some are left asking, "What do you do with your thermostat during weather like this?," or, "Should I turn my heat on and off?" HVAC experts said that they've been extremely busy. Some of them, even working 16-hour days.Miles Cantrall, the owner of All Pro Heating [...]