Did you know that the U.S. Environmental Protection Agency (EPA) ranks indoor air pollution among the top five environmental risks to public health? Many homeowners are surprised to learn that the air inside their homes can sometimes contain more pollutants than the air outdoors. Dust, pet dander, pollen, dirt, mold spores, and other airborne contaminants can accumulate inside HVAC systems and circulate throughout your home every time your heating or cooling system runs. At H