Aggressive Mechanical, Inc

What Does the Arrow on a Furnace Filter Mean

11 Oct
What Does the Arrow on a Furnace Filter Mean

Because adequate airflow is one of the most important factors in heating performance and efficiency, a clean and properly-installed furnace filter is critical. The air filter located where the return duct connects to the furnace removes particulates from the air to safeguard air quality and also ensures that vital heating components are protected from damage. […]