Duct Cleaning - Proper Principals and Practices

As a qualified duct cleaning contractor I havecleaning must include any internal surface in which the
discovered that most homeowners feel that theyair moves across, this not only includes the main
are very uninformed when it come to the principalsducts and vents but must also include the
and practices of proper air duct cleaning hygiene.Letconveyance compartment of the furnace/AC, heat
me begin by saying that the EPA as well as theexchanger, AC coils, drain pan, blower, filter housing
National air duct cleaners association have stated thatand any air cleaning equipment that might be
residential duct cleaning should take no less thaninstalled.The only acceptable method of proper air
between 4 and 8 hours to complete, anything shortduct cleaning is to put the entire system under
of that and you are probably not getting a thoroughnegative air (vacuum) by means of a powerful
job.Consumers are cautioned against duct cleaningvacuum system that produces no less than 2000
companies that claim to be able to clean your entirecubic feet per minute of air flow (cfm), each
air duct system in a very short period of time andindividual vent shaft should be cleaned using a
for an unrealistic low price, in this industry that kindcombination of high pressure air snakes, rotating
of service is completely unacceptable and is knownbrushes and whips which must be driven by a
as the blo-n-go style of ductcompressor that will deliver no less than 175 psi @
cleaning.Remember...anything short of between 4 and12-16 cfm.In conclusion, when choosing a qualified air
8 hours and you are probably not getting whatduct cleaning company be sure to ask if they their
you're paying for.Many homeowners are also undertechnicians and equipment meet the above criteria
the impression that the main ducts and primary ventsand always get a few references, it is also
are the only components that require cleaning,recommended that you contact your local better
However this is not the case, a thorough ductbusiness bureau or chamber of commerce.