And if you have flex duct and/or fiberglass ductboard in your home- the last thing you want is a big brush or anything abrasive running through it. Even high-pressure air can erode ductboard so I wouldn’t clean it with anything. If it becomes contaminated, get rid of it and install real ductwork. If your ductwork is accessible in the basement – the best thing to do is take it down and manually clean it if it’s full of junk. It’s not going to cost a nickel more to do that than to pay $500-1000 for a ‘duct cleaning machine” AKA big blower and vacuum – to do the job.
If you are replacing your air conditioning system, make sure that the unit is the proper size for your needs and that all ducts are sealed at the joints. A unit that is too big will cycle on and off frequently, resulting in poor moisture removal, particularly in areas with high humidity. Also make sure that your new system is designed to manage condensation effectively.

The national average dryer vent cleaning costs range from $190 to $260. Dryer vent or duct cleaning costs can vary based on where you live in the country and what ductwork repairs may be required. Duct cleaning pros will use a brush cleaning method, a forced air vacuum, or a combination of the two to remove lint and other debris that can collect in your dryer duct, lint trap housing and vent. If left unchecked, this buildup of highly flammable debris can catch fire and lead to a home fire, says the U.S. Consumer Product Safety Commission. In addition to home safety, a great reason for regular cleaning is the money you’ll likely save on energy bills and improved indoor air quality. Pros may offer a lower rate on their dryer duct cleaning costs when you also hire them to clean your entire HVAC duct system. To ensure you’re working with a pro who will keep your home as safe as possible, read their reviews and check whether they have been certified by a reputable organization such as the National Air Duct Cleaners Association (NADCA) or the Chimney Safety Institute of America (CSIA). Many duct cleaning pros will also show you before-and-after photos as proof of the cleaning.

I have been a plumbing/gas/hvac tech for 19 years, before that I installed ductwork in commercial buildings and office towers. As the article states, unless you have undergone some type of extensive reno, or ducts have become contaminated, paying for cleaning is pointless. Its one thing if you have a 30 year old home that has never had a duct cleaning and you can actually see mounds of dust built up , especially in the return side, then go for it. Keep in mind that most duct cleaning companies will only get 80% of the dust , or less at best. Keep in mind that most of the dust in your home is lint from clothes and linens, and skin cells from you and your pets and is constantly being generated. Dust that builds up in ductwork , generally stays in the ductwork. The power of suggestion, scare tactics, up sell!!!
Recent Review: Alex, Mike, and Cisco came out on time. They covered any furniture that might get some dust/dirt on it with plastic. They removed all of the vent and return covers, took them outside and thoroughly cleaned them. They vacuumed out the vents, then went in with a swab covered in sanitizer. They kept performing this step until the swab came back clean. They sprayed sanitizer into the vent system and replaced all of the vent covers. They went up on he roof and cleaned the a/c unit coils. They cleaned out the dryer vent as well. The crew was very knowledgeable and professional. I will definitely be calling them the next time I need my ducts and dryer vent cleaned!
Simon explained the entire process in detail and took the time to show me what they were doing, how they were doing it, and the effects.  In his initial examination of my air duct system, he discovered dust/residue from when the house was built, such as drywall dust.  This was in my air system, and I was shocked.  Not only did they thoroughly clean out all traces of this built up layer of contaminants, but showed me "before and after".  In addition to completely cleaning the air duct system throughout the house (believe me - the inside of the air ducts looked brand new), they sanitized the entire system and then deodorized it.  Halfway through the process, they took my $100+ air filter outside the clean it.  I was both angry and amazed at the size of the dust balls on my filter.  The air ducts were beyond filthy, and simply having the best air filter did nothing for the coating inside the air ducts.  Now you would think after all this education on my part and work on their part, we would be through.  No.
My wife and I are suffering from allergies. We have lived in this house for 37 years and just found out that the A/C ducts need to be cleaned. We had a company one and do the job, but come to find out all they cleaned was the registers and boxes. Their house was to big to go in the duct and we are still getting dust all over the place. I have been looking for a good roto brush so I can do it myself, but all I can find are companies that sell equipment for a high price. I do not want to start my own business, I just want for my wife and I to breath better and keep from getting sick / also not have to dust twice a day. Please can you help. Thank you.

And if you have flex duct and/or fiberglass ductboard in your home- the last thing you want is a big brush or anything abrasive running through it. Even high-pressure air can erode ductboard so I wouldn’t clean it with anything. If it becomes contaminated, get rid of it and install real ductwork. If your ductwork is accessible in the basement – the best thing to do is take it down and manually clean it if it’s full of junk. It’s not going to cost a nickel more to do that than to pay $500-1000 for a ‘duct cleaning machine” AKA big blower and vacuum – to do the job.
I purchased a Groupon to have the air ducts cleaned at my home by Best Air DC here in Cincinnati. When I called to redeem the deal, I was surprised to learn that I had to make the appointment 5 weeks out because they had no availability. I didn't think much of it since they had the Groupon deal out there. After the service, I've now realized they have deals out on at least 2 other "discount deal" websites. and the funny thing is they have different regular retail values - $229 & $289 value...for the exact same work! They arrived within the time range I was given, and they even called about 20-30 minutes before arrival, so that was appreciated. They arrived and started bringing some equipment - A shop vac (yea, like you can buy at any hardware store), a handheld vacuum cleaner, and large vacuum that came in on wheels. After showing them the locations of all of the vents in the home and cold air returns, the technician (Simon) started going over a few things with me about their plan for cleaning and showing me the dust & dog hair build up in one of the vents. After showing me that, he started to try to up-sell me on additional services. That additional service was to insert a 'brush' that would agitate the dust/pet hair and allow for the vacuum to get everything out of the vents. I was hesitant to have him do that for the price he quoted me. It would have been an extra $275+ for additional cleaning!! I certainly wasn't prepared for that, so I declined the offer. After his assistant started to use the shop vac to get some debris out of the vents, he came back in and said he was just on the phone with the office and he can lower the price of the additional service for me. He wrote up an estimate for me and said that I could call him if I'd like to do the service. After they left, I was feeling uneasy about the quality of work that was performed. I used a camera to get some video of the vents that they cleaned. They looked pretty good, but then I started to remember how they were cleaning them. They only used their large, commercial vacuum on one vent. They also did NOT clean 2 air returns under Negative Pressure like the Groupon said they would. I did a little research and found that they should have cut open an access point in duct work in the basement and sealed up the vents with plastic to create that negative pressure. To make things even more interesting, I called their number this morning to do some investigation on what they actually do. After I revealed to the girl I had the service done a day prior and that my technician, Simon, didn't clean them like it should be done she drops a bomb on me. Simon is actually the owner!! The whole time, he is telling me that he is on the phone with the office to see if the can get me a better price on the additional cleaning, he is basically full of sh!+. An owner doesn't need to do that - he is just pulling a bait & switch on me. A few positives - Simon & his co-worker were very nice. They did clean the vents, but certainly not the way they should have been done. It saved me from getting my shop vac out and getting a little dirty to do it on my own. He gave me a few tips on making sure I get good air circulation to the 2nd floor of my house. Be very careful, and definitely consider going with a different company if you want your air ducts cleaned. They were in & out in a hurry, which leads me to believe they kind of half a$$ed the work. They're just like a restaurant that turns tables so quickly that the service really lacks. Save your $49 or $59 for the discounted deal and put that towards the cost of a company coming out and doing an actual good job.
The headache started with a Groupon purchase. Service for an air duct cleaning was purchased and scheduled. When the guy arrived he attempted to say that the purchase was only for a vacuuming of the vents and not a duct cleaning. Despite showing him the groupon he refused to do service. We then contacted Jennifer at this company and eventually got on a three way call with groupon who agreed with us that the service was for a complete air duct cleaning and not just using a hand vacuum to clean vents (something we could do any time). Jennifer has since hung up on my wife twice despite being civil and merely asking for the services we paid for. Unprofessional.

Hi guys if your not convinced yet that duct cleaning is a waste of time. I’m a HVAC business owner install heaters and air conditioners. Simple facts if you have an old system get a new return air fitted with a filter it will catch all the dirt and dust. If you still have as many do black flecks and stuff coming through it is the lining inside your ducting that has perished. So somewhere you have a hole or very old ducting. If you had rats etc its a hole somewhere. To clean, stick your vacuum in the outlet and push the hose as far as it will go this gets 99% of toys and coins fur and alike. Think about it if the object is not heavy it will come out the duct when unit is on. Service the heaters or air con units but not the ducting. I would go further to say that duct cleaning actually damages the ducting in my opinion.
Most organizations concerned with duct cleaning, including EPA, NADCA, NAIMA and the Sheet Metal and Air Conditioning Contractors' National Association (SMACNA) do not currently recommend the routine use of sealants to encapsulate contaminants in any type of duct. Instances when the use of sealants to encapsulate the duct surfaces may be appropriate include the repair of damaged fiber glass insulation or when combating fire damage within ducts. Sealants should never be used on wet duct liner, to cover actively growing mold, or to cover debris in the ducts, and should only be applied after cleaning according to NADCA or other appropriate guidelines or standards.
Interestingly, I had this service performed several years ago, by a cheaper company.  Based on the amount of dirt and junk that was removed yesterday, I now have my doubts that the previous company really performed the work.  Yes, I checked  this time!  The owner, John, told me that there is another company working under the same name, so make sure that you are getting the Arizona Air Duct Cleaning Company, father and son team, that is being reviewed here.  Not all these companies  are honest and do what they claim to!
The Canada Mortgage and Housing Corporation (CMHC), a government agency, conducted a study in the 1990s to investigate two claims: Duct cleaning makes indoor air healthier; and it reduces energy costs by improving airflow. After testing 33 homes in Montreal before and after duct cleaning, the study found that there was no significant improvement in air quality and that duct cleaning alone did not improve airflow or energy efficiency. In some cases, measured particle levels actually increased immediately after a cleaning. In other cases, particle levels decreased immediately after cleaning but returned to previous levels within weeks.
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.
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