Regardless of what type of furnace you have, performing regular maintenance is the key for efficient out comings and money savings. Since dirt is the biggest enemy of your furnace, as it wastes fuel and considerably lowers your furnace’s efficiency, you can save you a lot of money on heating costs as well as avoid expensive repairs in the future simply by keeping your furnace clean.
Because dirt affects all three basic components of your furnace: the filter system, the blower and the motor, your furnace filter should be replaced or cleaned at the beginning of the heating season and about once a month during periods of continuous in order to keep your home cleaner and to prevent dirt and debris from getting into your blower and damaging it.
Furthermore, you should also clean your furnace's duct system. A clean duct actually does improve the indoor air quality (IAQ) of your home as well as the efficiency of your furnace. Besides having a better IAQ, a clean duct system reduces the presence of house molds and allergens, eliminates unnecessary dust in your home, provides better airflow in your home, and helps to reduce energy costs.