How often should I have my furnace or A/C serviced?
Annual maintenance is recommended by all furnace manufacturers and is required by most, if not all, to keep the furnace warranty intact. Furnaces have many moving parts and high-tech controls that need to be calibrated with special equipment to maintain peak performance. However the most crucial maintenance requirement of the furnace can be done by most homeowners and that is changing the furnace filter on a regular basis. A clean filter will improve the air quality in the home and at the same time protect the furnace from dirt and debris that can cause premature failure.