HOW WE DO IT:
With air duct cleaning we use what is called Negative cleaning method. The dust goes down into the vacuum hose that is inserted into the duct or trunk line above the furnace. The vacuum has the suction of 30 MPH.
With air duct cleaning we use what is called Negative cleaning method. The dust goes down into the vacuum hose that is inserted into the duct or trunk line above the furnace. The vacuum has the suction of 30 MPH.