In order to keep dirt, mold spores and other particles in your air from getting into your heating system and causing damage, you’ll have to install an effective furnace filter. Regularly replacing your furnace filter is the easiest way to maximize furnace efficiency, while also improving the quality of your indoor air. In order to optimize furnace efficiency and get the most benefit from your furnace filter, you’ll have to: Change it Regularly As your filter traps more dirt, it can become clogged, restricting airflow. […]