Living in Sarasota means enjoying plenty of sunshine, but it also means relying on a well-functioning HVAC system to keep your home cool and comfortable year-round. Whether it’s the peak of summer or an unexpected chilly spell, your heating and cooling system plays a big role in your home’s comfort. But how do you know when it’s time to call in a professional? Let’s go over some of the most common signs that your HVAC system needs expert attention.