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If you rely on a furnace to keep your home warm during the colder months, understanding the most common furnace issues can help you avoid unexpected breakdowns. For homeowners in Santa Rosa, Modesto, and Fresno, CA , as well as Post Falls, ID , seasonal temperature swings mean your heating system needs to perform reliably. Below are the top five furnace problems we see most often—and when it’s time to call for professional residential furnace services from Next Day Air & Heat

Understanding how your furnace works can help you maintain it properly and recognize problems early.

Regular air conditioning service is one of the most important steps homeowners can take to protect their comfort and their investment.

A heat pump is an energy-efficient HVAC system that provides both heating and cooling in one unit. Unlike a traditional furnace that generates heat by burning fuel, a heat pump transfers heat using refrigerant and electricity.

Your HVAC system works hard year-round to keep your home comfortable, but like any mechanical system, it won’t last forever. Recognizing the early signs of HVAC failure can help you avoid costly breakdowns and emergency repairs. Homeowners in Santa Rosa, Modesto, and Fresno, CA , as well as Post Falls and North Idaho , should pay close attention to changes in system performance—especially during peak summer and winter seasons when equipment is under the most stress. One of th