1 October 2014
Your ventilation ducts can build up dust over time, which can have a negative impact on the efficiency of your heating and air conditioning units. Although ordinary dust in your ducts may not represent a risk to your health, some other factors could cause you some mild to moderate health issues. If you have a sensitivity (dust, mold, or pollen) or if you notice your system expelling tiny debris into your home, a cleaning might be a good idea.