On average, people in the United States spend 90% of their day inside. Indoor air can have up to five times as much pollution as the fresh air of the great outdoors. Pollutants found in indoor air include cigarette smoke, lead, mold, asbestos, and pet dander. Air ducts help clean the air indoors to keep us from breathing in these pollutants. Here are five signs that an HVAC needs cleaning.
(more…)
Recent Comments