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Air Duct Cleaning – How Often

http://www.tvhs.com.au, http://www.tvhs.com.au/services/duct-cleaning.aspxAs a qualified Air Duct cleaning technician it can be my intention here to answer just about the most frequently asked questions in regards to air duct cleaning.

The most effective way to clean an air duct and/or ventilation system is to use a specialized, powerful vacuum which puts the air duct / ventilation process under negative pressure. While the vacuum draws air with the system, devices are inserted in the ducts to dislodge contaminants and debris from the interior surfaces, moving the contaminants/debris from the home’s air ducts and ventilation systems in the vacuum.

Vacuum collection alone does not clean the HVAC system. Brushes, air whips, “skipper balls” and also other tools that agitate impurities and debris scrub the surfaces within the air duct system and propels contaminants and debris into the vacuum collection device(s).

Anti-microbial chemical sanitizers are used on the interior surface with the air ducts to control microbial contamination… but… before sanitizers are utilized, the system should get thoroughly cleaned. All anti-microbial chemicals used ought to be EPA registered for use in HVAC systems. Ask to find the chemical’s Material Protection Data Sheet (MSDS). If you are still concerned, call that EPA at 1-800-438-4318. There are no EPA registered anti-microbial solutions for use on porous system surfaces – such as fiberglass surfaces.

*before occupying a new home.

*afterhome renovations or remodeling.

*number of smokers in the household.

*Pets which shed hair and dander.

*Water contamination or harm to the home or HVAC system.

*Residents with allergies or asthma benefit from better indoor air top quality.

The United states Environmental Protection Agency says that “duct cleaning services” usually range in cost from $450 to $1000 per cooling and heating system, depending on that services offered, the size in the system to be cleaned out, system accessibility, climatic section, level of contamination” and form of duct material.

Consumers should stay away from air duct cleaning businesses making sweeping claims regarding the health benefits of duct cleaning – such claims are generally unsubstantiated.

Consumers should also beware of “blow-and-go” air duct cleaning companies that charge low fees and instigate a poor job of cleaning the cooling and heating system. These companies also make an effort to persuade consumers into unneeded services or provide service without worrying about the consumer’s permission. Contact the Better business bureau and local, federal, and state elected officials to report this company.

Interview at the least 3 local air duct and HVAC cleaning contractors and perform a free system inspection and also to provide a price to clean the HVAC system.

Narrow your list of potential contractors:

o Make sure that the company is a member in good standing with the National Air Duct Carpet cleaners Association (NADCA).

o Verify that this company is certified by NADCA to do HVAC system cleaning.

o Ask how long the company has been around business and determine when that experience is acceptable.

o Ask if the company has the correct equipment to effectively perform cleaning, and if this company has done work in homes akin to yours. Ask for recommendations from neighbors.
Many HVAC companies offer specials on their websites, and if you can’t find any don’t end up shy about calling and asking.

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