About 90% of our time is spent indoors, where the air quality is more likely to be worse than that outdoors. In fact, the EPA ranked poor indoor air quality as one of their top five environmental risks; it is more contaminated than outdoors 2 to 5 times. Actually, the main cause of increasing indoor pollution is the ventilation system of the HVAC units. Do not waste time breathing air combined with awful debris, and call Air Flow Duct Cleaning Arlington, TX, fast to benefit from the duct cleaning that works in Arlington, Texas.