Although duct cleaning can be beneficial for quality indoor air, it doesn’t always justify the cost of duct cleaning. According to studies, there is not a direct connection between the condition of air ducts and particle levels such as dust and pollen. The studies report that the dirt inside the air ducts does not enter the living space. It only sticks to the duct surface. Thus, the air is not necessarily affected.
Many other ways can be sources of particles that decrease the indoor air quality of our homes aside from dirty air ducts. Pollutants and contaminants can come from both outdoors and indoors. Habits and doings such as cleaning, heating, smoking, cooking, and many more can be more significant exposure to pollutants than dirty air ducts. Additionally, contrary to what most people believe, no evidence has been presented yet that proves fair amounts of household dust or other … read full article