Air Duct Cleaning – Myths and Truths

Air Duct Cleaning Aurora CO: Air Duct Cleaning experts with DUCTZ are providing vital information to area residents 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 Aurora experts with DUCTZ are addressing:

Myth: Duct cleaning is recommended each year 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 advertised 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 warranty.

DUCTZ is the nation’s leading air duct cleaning and HVAC restoration company with over 160 independently owned and operated franchises across the U.S. Their technicians are licensed and certified in all HVAC services, including heat duct cleaning, bathroom exhaust duct cleaning and HVAC system inspections. DUCTZ specializes in improving indoor air quality, eliminating contaminants such as dust mites and debris that aggravate allergy and asthma symptoms.

Sol Eichenbaum owns DUCTZ of Mile High, serving homes and businesses in the Mile High area including Aurora, Denver Englewood, Lakewood, Littleton, Arvada, Westminster, Thornton, Northglenn and neighboring cities and communities.

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Duct Cleaning Goes Hand-in-hand with Spring Cleaning


Duct cleaning is recommended to improve and maintain indoor air quality. Spring time is a great time to have professional heat duct cleaning performed. Your home has been closed up all winter long with the heating, ventilation and air conditioning (HVAC) system working overtime.

Spring arrives as homeowners open the windows, scrub the floors and breathe fresh air; however, what many fail to realize is that their indoor air quality is preventing optimal cleanliness. In fact, indoor air quality is ranked among the top five environmental risks to public health according to the Environmental Protection Agency.

Spring time is a great time to improve indoor air quality with a professional air duct cleaning. Duct cleaning is a great way to finish your spring cleaning for a clean home and clean air. Here are some more ways to improve indoor air quality while doing your spring cleaning:

Change the air filter. According to the American Lung Association, it is important to maintain a clean air filter. Unfortunately, many homeowners neglect this task. Refer to the owner’s manual and follow manufacturer’s guidelines regarding the frequency of changing or cleaning the air filter.

Have your HVAC system inspected and cleaned if necessary. There are many components of your HVAC system, including the ductwork, that can trap contaminants and contribute to poor indoor air quality if not kept in proper working order. According to the National Air Duct Cleaners Association, if there is visible dust, dirt or debris within the ductwork, your HVAC system probably needs to be cleaned.

Hire a Professional. Many companies that offer duct cleaning cannot be trusted to do the job correctly. Improper HVAC system cleaning can actually make your indoor air quality worse. Make sure the company you use is licensed and certified and adheres to NADCA’s rigid service standards.

Spring time is the ideal time to schedule HVAC and heat duct cleaning; however, there is no wrong time to have this done. Clean indoor air provides a cleaner, healthier home.



DUCTZ is the nation’s leading air duct cleaning and HVAC restoration company with over 160 independently owned and operated franchises across the U.S. Their technicians are licensed and certified in all HVAC services, including heat duct cleaning, bathroom exhaust duct cleaning, dryer vent cleaning and HVAC system inspections. DUCTZ specializes in improving indoor air quality, eliminating contaminants such as dust mites and debris that aggravate allergy and asthma symptoms.

Sol Eichenbaum owns DUCTZ of Mile High, serving homes and businesses in the Mile High area including Aurora, Denver Englewood, Lakewood, Littleton, Arvada, Westminster, Thornton, Northglenn and neighboring cities and communities.

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