THE BASIC PRINCIPLES OF LINT BUILDUP REMOVAL

The air whip agitates the duct while the HEPA filtered air duct vacuum method produces a damaging vacuum at 3500 cfm (approximately ten,000 cfm with our fuel-run commercial air duct vacuums). At the time Each individual source air duct is cleaned, the return air procedure is cleaned in the same fashion. Finally, we clean up the furnace device.Donâ€