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Duct Cleaning - Proper Principals and Practices

As a qualified duct cleaning contractor Icleaning must include any internal surface in
have discovered that most homeowners feelwhich the air moves across, this not only
that they are very uninformed when it come toincludes the main ducts and vents but must
the principals and practices of proper airalso include the conveyance compartment of
duct  cleaning  hygiene.the furnace/AC, heat exchanger, AC coils,
drain pan, blower, filter housing and any air
Let me begin by saying that the EPA as wellcleaning  equipment  that might be installed.
as the National air duct cleaners association
have stated that residential duct cleaningThe only acceptable method of proper air duct
should take no less than between 4 and 8cleaning is to put the entire system under
hours to complete, anything short of that andnegative air (vacuum) by means of a powerful
you  are probably not getting a thorough job.vacuum system that produces no less than 2000
cubic feet per minute of air flow (cfm), each
Consumers are cautioned against duct cleaningindividual vent shaft should be cleaned using
companies that claim to be able to clean youra combination of high pressure air snakes,
entire air duct system in a very short periodrotating brushes and whips which must be
of time and for an unrealistic low price, indriven by a compressor that will deliver no
this industry that kind of service isless  than  175  psi  @
completely unacceptable and is known as the
blo-n-go  style  of  duct  cleaning.12-16  cfm.
Remember...anything short of between 4 and 8In conclusion, when choosing a qualified air
hours and you are probably not getting whatduct cleaning company be sure to ask if they
you're  paying  for.their technicians and equipment meet the
above criteria and always get a few
Many homeowners are also under the impressionreferences, it is also recommended that you
that the main ducts and primary vents are thecontact your local better business bureau or
only components that require cleaning,chamber of commerce.
However this is not the case, a thorough duct



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