​Residents of Marin County and Santa Rosa know what it is to deal with temperatures that can vary greatly even within the same 24-hour period. With hot summers and winter temperatures that can average as low as just above freezing, having an HVAC system that can keep you home at an optimal temperature year-round is essential.

​Summer in Sonoma County can be beautiful, but the hot weather can also tax your home's air conditioner. While regular maintenance can help ensure your AC unit operates correctly, sometimes things can still go wrong. Catching potential AC issues early can give you the chance to try a simple fix or find an AC repair expert who can return your system to normal operation. Skilled technicians can also help you decide when it's time to upgrade to new AC equipment. Here are some top AC problems to watch for in your home.