Your technician should not spray any chemical cleaning products in your ducts without having your prior acceptance. there are here lots of factors that influence In general air duct cleaning costs. rates can vary through the national regular because of the dimension and kind of ductwork, the quantity of vents, contamination level, accessibility, l

No products are currently registered by EPA as biocides for use on fiberglass duct board or fiberglass lined ducts so HVAC sanitization services it is vital to find out if sections of your system contain these products before allowing the application of any biocide. Has the service supplier sufficiently shown that duct work and plenums are clean?