When is Duct Cleaning Necessary?


Air Duct Cleaning Fort Lauderdale specialists provide vital information to consumers and business owners.  This is a guide to determining when air duct cleaning is necessary.  There are several myths related to duct cleaning and sadly, many duct cleaning services are speaking them as truth to sell their service.

Here are some common myths that duct cleaning Fort Lauderdale experts with DUCTZ would like to clear up:

Myth:  Duct cleaning is recommended annually to eliminate airborne contaminants and prevent mold related health problems

Truth:  There is no recommended cleaning schedule; however the NADCA ACR 2006 Standard does have a recommended inspection schedule which for residential systems is the following:

Air Handling Unit – 1 year
Supply Ductwork – 2 years
Return Ductwork/Exhaust – 2 years

Myth:  Discount duct cleaning companies only charge between $60 and $100 and the entire procedure is done within and hour or two

Truth:  There is no reputable and qualified duct cleaning service that can possibly do the job right for this price.  This is a bait and switch technique, one of the most popular air duct cleaning scams being used today. 

Air duct cleaning can cost $450 to $1,000 per HVAC system, depending on the services, size of the system and the level of contamination.  The job will take four to eight hours to complete.

Myth:  Dust mites live in ductwork

Truth:  Dust mites do not live in ductwork

When Air Duct Cleaning is Necessary

Duct cleaning may be necessary in a home with a lot of dust and mold, but most average homes with modern, well-maintained furnaces and ac systems will rarely if ever require duct cleaning service.

According to the EPA, if residents are not suffering allergy symptoms and there is not a large amount of dust under registers and inside ductwork, then professional air duct cleaning is probably not necessary. If there is noticeable build-up and mold on the vents then an air duct cleaning professional with DUCTZ should perform a through inspection and evaluation.

The type of duct work in a home can be a determining factor on deciding if duct cleaning service is needed.  The traditional bare sheet metal ducts without an insulating duct liner are not porous and will rarely trap moisture to the point of allowing mold growth.  If they should become contaminated, they are much easier to treat than nonmetal ductwork.

Ducts made of fiberboard or any type of flexible ductwork with some type of internal liner is more likely to trap moisture.  Once a fiberglass duct liner is contaminated, there is no EPA-registered product that can sufficiently treat this problem and prevent regrowth.  Wet or moldy fiberglass ductwork should be replaced.

Professional Duct Cleaning Services

Duct cleaning services are advertized all over the place.  The duct cleaners to watch out for are the “blow-and-go” contractors who are unlicensed and not members of any trade association.  They will cite ridiculous myths and claims of EPA certification or approval, often bogus.  Worse yet, their inadequate equipment and techniques may cause more problems than they solve.  According to the EPA, these substandard jobs release more dust, dirt and contaminants into the air than simply leaving the ducts alone.  This service is a total waste of money, no matter how “cheap” it is.

Professional air duct cleaning, according to the NADCA, is to place the system under negative pressure with a powerful vacuum and use various brushes and cleaners to dislodge debris so it can flow into the vacuum. 

Duct Sealants and Sanitizers

Though the concept sounds good you need to be aware of its flaws.  Duct sealants are intended to coat duct surfaces ad prevent dust and dirt from being released into the air. 

One problem is that the coatings sprayed into and operating duct system will not completely coat the surface.  The sealant could also affect the fire-retarding characteristics of fiberglass-lined ducts and invalidate the manufacturer’s warrany.

Call DUCTZ duct cleaning and restoration for a complete inspection and service today.




Air Handler Cleaning