Air duct cleaning in the house may be healthful if there is a buildup of dust and muck in your air system. mold, dust and mites can gather in the system and may pose a fitness threat. If you check your ducts and find no evidence of your air ducts being contaminated with large deposits of dust, mold or musty smells, then it’s unlikely your duct needs cleaning.
There is no sunlit evidence to propose that cleaning your ducts will reduce the effects of any allergies that people in your household may suffer. Although many people feel that clean air circulating in the home does have a beneficial effect on general health