“will air duct cleaning help allergies air duct cleaning is it necessary”

Knowledge about air duct cleaning is in its early stages, so a blanket recommendation cannot be offered as to whether you should have your air ducts in your home cleaned. The U.S. Environmental Protection Agency (EPA) urges you to read this document in it entirety as it provides important information on the subject.
With 2 dogs and lots of dirt outside, you can only imagine the build up in those air ducts over the years. We actually are putting in a new furnace so we are hiring a pro to do it…but now I know what to watch for. Great tutorial and congrats on being Hub of the Day! Wow! Voted very UP and useful.
I can’t believe the number of people saying a good properly installed central heating system never needs to be cleaned. Maybe they live in hermetically sealed cells? One look into a cold air return and you can see that it definitely needs periodic cleaning. The air in the house “always” has some dust in it and that’s where it ends up. We just had ours cleaned and I saw what came out of it, disgusting. But always ask if they use the “air whip” to sweep/beat the inside of the metal duct. If not, don’t bother. These folks used a little whip on the end of a pressure hose and swept the entire length of all the ducts. I have lighted bore scope that allowed me to see into the duct after he was done and it was spic and span. But do change your filters often, 2 or 3 times a year.
2. I would bet a considerable amount of money that if I were to inspect 12 year old duct work at Nicolas’s home, it would have a considerable amount of dust, debris and buildup. No furnace has the capability to filter heavy dirt and dust particles, and settles into the return air duct recirculating the same dust over and over.
1.         The vacuum and compressed air equipment are setup outside the home and are properly positioned to allow for the most direct connection to your HVAC system and its ductwork. Large portable HEPA vacuums also can be used and set up closer to the system where appropriate. If needed, drop cloths are laid out to protect the floor where the vacuum hose is brought in. Our technicians wear nitrile gloves to prevent leaving fingerprints and wear booties to protect your rugs and floors. They place plastic sheaths on your wall corners to protect them from the vacuum hose. Because nothing is sucked up from the vents and the process uses negative pressure, you do not need to leave your home or worry about dusting after the service.
Make sure ducts are properly sealed and insulated in all non-air-conditioned spaces (e.g., attics and crawl spaces). This will help to prevent moisture due to condensation from entering the system and is important to make the system work as intended. To prevent water condensation, the heating and cooling system must be properly insulated.
Since the early years, we have encountered consumers who needed to be educated on the importance of air duct cleaning and indoor air quality. Now, we encounter consumers who understand the significance of air quality and are happy to learn more during our process. We also now understand how to enhance the overall effectiveness of the duct cleaning service that we provide with added indoor air quality related services specifically related to HVAC Inspection, Cleaning and Restoration.
My floor register in my room doesn’t allow much air flow. I’ve tried reaching down as far as I could with my long arms but can only get so much. My understanding is all ducks/floor registers are connected for even air flow in our basement. Everyone else’s gets a lot of cold air blowing in theres. How can I get my registers air flow to work better
The average cost to clean ducts & vents is anywhere between $240 and $440. The total cost will depend on how much work the professionals have to do, along with any labor price additions or added equipment. Consult with a HVAC professional to see what you’ll pay and how much you can do yourself.
10.       Once all main trunk ducts are cleaned and visibly inspected, we move on to clean your HVAC air handling unit. We clean the blower area, removing it if it is accessible, and air-wash all the fan blades. If you have air conditioning, we will inspect your evaporator coil, as long as it is accessible and serviceable.  We will determine if the coil needs to be cleaned and present this to you during the job.  Matted coils are a breeding ground for microbes. In addition, if they haven’t been cleaned in some time, you experience up to 20% less efficiency, according to the America Society of Heating, Refrigeration, and Air-Conditioning Engineers (ASHRAE). The condensate pan is also air-washed and drained.
Cleaning your ductwork can damage it.  Secondly, the air duct cleaning procedure consists of sticking vacuum tubes down your ductwork, which can damage and crack the sensitive plastic interior of your ductwork.  It is also important to know that, despite what they might say, most duct cleaning companies are not HVAC contractors!  They actually know very little about the proper operation of your system.
I noticed a lot of negative feedback, though unfortunately there are many dishonest companies out there. I currently work with a company that cleans duct work and we DO NOT use any scare tactics or up sell services or equipment. Once every 10years of course there are exceptions. We clean supply, returns, air handler, housing, motor, and fan. Though be discerning when qualifying anyone to work in your home. I would ask for REAL REFERENCES to contact.
Learn how to identify and deal with the most common and hazardous environmental threats facing property managers. This in-depth guide covers everything you need to know to mitigate the risk of litigation and keep your properties’ inhabitants safe from asbestos, lead-based paint, and mold.
Our trained technicians provide speedy, efficient services that go above and beyond what you expect from HVAC cleaning and duct sealing services. Your Mr. Duct Cleaner team will arrive on time, adhere to the estimate we provide, and leave behind a clean work area.
Minor problems with ducts can result in condensation inside the ducts. Insulation failure, a puncture in the duct wall, or a bad connection between components of the duct system can allow moisture to form. Moisture, combined with content in the dust, can result in mold growth.
As an authorized Trane® dealer, we offer high-efficiency heating and cooling systems that both save you money and ensure your comfort. This also means you are sure to find the best deals on industry leading energy efficient central air & furnace models! We also provide sales, service, and installation of furnaces and air conditioners from a wide array of other manufacturers including Carrier, Payne, Goodman, and many more! To help maintain your equipment’s efficiency, extend its life, and keep your heating/cooling bill to a minimum, call Chicagoland’s premier HVAC partner. We also offer annual service contracts.
Moisture can enter the duct system through leaks or if the system has been improperly installed or serviced. Research suggests that condensation (which occurs when a surface temperature is lower than the dew point temperature of the surrounding air) on or near cooling coils of air conditioning units is a major factor in moisture contamination of the system. The presence of condensation or high relative humidity is an important indicator of the potential for mold growth on any type of duct. Controlling moisture can often be difficult, but here are some steps you can take:
As an ex-Industrial Hygienist with OSHA, and current manager of a carpet cleaning company, we use a low moisture process that allows for drying within one hour, minimizing the potential for a great mold or bacteria media.
Someone came and said it would be 8,000 but would do it for 4,000. I got a new unit in a few years ago but it has never have the ducks clean and they were put in around 20 years ago. I have 8 vents and duck is in the attic. 
If no one in your household suffers from allergies or unexplained symptoms or illnesses and if, after a visual inspection of the inside of the ducts, you see no indication that your air ducts are contaminated with large deposits of dust or mold (no musty odor or visible mold growth), having your air ducts cleaned is probably unnecessary. It is normal for the return registers to get dusty as dust-laden air is pulled through the grate. This does not indicate that your air ducts are contaminated with heavy deposits of dust or debris; the registers can be easily vacuumed or removed and cleaned.
Our professionals are IICRC trained and certified by the American Drying Institute. We utilize truck-mounted duct cleaning equipment that dislodges dirt and other debris. Then we use a high powered vacuum with sixteen 10-foot bags that take up the entire back end and allow for maximum airflow at all times.
– Welding & Solder Fumes – Dust Collection – Explosive Dust Extraction – Mist Collection – Odor/Smoke Collection – Mechanical Arms – High Pressure Vacuums – Ducts and Hoses COMMERCIAL AIR CONDITIONINGINSTALLATION
You may consider having your air ducts cleaned simply because it seems logical that air ducts will get dirty over time and should occasionally be cleaned. While the debate about the value of periodic duct cleaning continues, no evidence suggests that such cleaning would be detrimental, provided that it is done properly.
There is substantial visible mold growth inside hard surface (e.g., sheet metal) ducts or on other components of your heating and cooling system. There are several important points to understand concerning mold detection in heating and cooling systems:

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