CONCORD — A critical aspect of maintaining heating and air conditioning systems is proper filtration. Furnace and A/C units have air filters that help keep the systems clean by collecting dust, dirt, and airborne particulates. As a filter collects more and more particles over time, it will eventually become clogged. This can bring adverse effects by causing the system to work harder and decreasing its energy efficiency. That’s why air filters need to be changed at regular intervals.
If you’re unsure how often you should change your system’s air filter, consult a professional. In general, I recommend replacing air filters at least twice a year; however, depending on the type of filter you have and the specific environmental conditions in your home, Read more