POWER VAC AMERICA

Great service

Power VAC confirmed our appointment the day before.  They showed up on time.  They put drop clothes where needed and did everything they could to prevents dust from spreading.
The technicians where very friendly and professional.
I am very pleased with the experience and would highly recommend them.

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Great, Honest company!
The two Tech's showed up right on time and were very knowledgeable.
In my case they looked in each vent with a ladder and flashlight, also looked at my indoor blower and furnace unit (only 3 years old)  and suggested I not have them power vac-ed because of the kind of ducts and there was no visible mold and they were were all blowing pretty well and pretty clean!
I am not at all knowledgeable about air ducts, so they could have conceivably stayed a couple hours and did a few superficial things and charged me several hundred dollars, but they did not. Very professional in that sense!
Great, Honest company!

This is what we learned after researching air duct cleaning companies:
1) Find a NADCA-certified company, check the NADCA website, read that site for more tips on evaluating a contractor.
2) Check consumer reports website for tips on how to select a contractor.
3) I prefer contractors who only do air duct cleanings.  Others may try to sell  other services right away.
4) Beware of contractors offering very cheap air duct cleaning.  A contractor cannot make money if they were to charge only $99 for two persons, a vehicle, and their equipment.   You have to assume that they will find other reasons to charge more when they come to your house.
5) Proper service in accordance with NADCA standards takes several hours of work and costs about $750 per air conditioning unit.  This is not a quick job.
6) In order to treat or prevent against mold, they have to use chemicals.   I suspect that if you don't use chemicals, mold would return a lot quicker.  NADCA has a great white paper on chemicals, read it.
7) we called a few companies until we found one that met the qualifications and was available, we didn't go with the least expensive one.
*****
Our experience:
Hiring this company was a very straight-forward process, we scheduled it a couple of weeks ahead of time.  We received an estimate via email, very clear.  In addition to $750 per unit, they charge $25 per register (vents) with visible mold (they show it to you).  We had about 25 registers (?), and they found visible mold in 6 of them (or so).   They showed us the registers that needed the $25 treatment.   We knew it was going to cost at least $1500, and they gave us their final estimate within minutes of arrival, after removing all the vents:  $1500 plus $25 x (number of vents with mold).    No other charges, no other surprises.
They communicated with me the day before and arrived on time.
The 2-person team is very professional.  They give you a good explanation of their work if you ask.  Kept the areas clean.   The workers don't rest, they storm the house, each person doing a different task.
They treated the affected vents with chemicals.  
They cleaned every single vent and duct using a long vacuum hose and a rotating brush.
They cut big holes in the air conditioner plenum (two units) to treat the inside, and repaired the holes before they left.  I had to call them back because their plenum patch did not hold.  They apologized profuesley, came back the next day, and fixed it.   No problem.
They stayed in our house for about 5 hrs or so.
Overall, a good experience, felt comfortable with the crew in my house.  I think Mike was the lead 

They were responsive, helpful and showed up on time. They did a great job. I would recommend them.  0

unknown

Power Vac cut access holes in the plenums of my two units, identified the upstairs unit as the source of the mold, cleaned it, resurfaced the interior with a mold-resistant coating, and did the same for three vents connected to the unit that had mold in them. They used powerful trailer-mounted suction unit to pull a strong vacuum on the system so anything they sprayed into or brushed loose from the ducts was pulled out of the house without contaminating the air or any of the surfaces in our home. They used rotating brushes on a flexible metal snake line to knock dust loose from the inside of the vents, and sprayed chemicals but we saw no dust escaping inside the house and didn't smell any of the chemicals. In the photos you can see the mold on the inside of our unit, the trailer-mounted vacuum unit, the hoses running from it and one of the brushes they used in the ducts. In and out in 4 hrs. Only downside: open door on a cold day. Expensive, but worth it for my family's health!

They were terrific. He showed up on time. He did a good job. I no longer have to fight dust on my furniture.

.PowerVac America was very responsive and punctual in terms of making an initial appointment for an assessment and estimate. they provided an accurate and detailed explanation of the services and charges. When contracted to do the work they were able to schedule a date in a short amount of time, arrived on time and worked diligently until the work was completed. They provided a guarantee and agreed to schedule a 6 month followup to reassess whether or not there was any recurrence of problems.
A day after the cleaning we noted some particulates being blown out of the vents. They came out immediately to check and remedy the situation. No further problems. I believe they were thorough and responsive.

It went very well. They were very professional and completed the job in three hours. I've read about representatives of other companies trying to hard-sell additional services but I experienced none of that with Power Vac. My ducts and unit were pretty dirty and the house now smells very fresh and clean.

Asked to come on 1 days notice they split teams to accommodate us and did a fantastic job with the service. Arrival was exactly in the middle of the time range given and the job cost exactly the quoted amount and the length of time estimated was within 20 minutes (pretty remarkable considering only 1 person came due to split teams). Their initial quote included full service, no need to add all of the "extras" their competitors charge for the basics (like cleaning air covers).

They gave me an estimate over the phone. It was in the neighborhood of the other estimates. I thought that the equipment that they used was better than that of other companies. They were able to do the work when I wanted them to. I always think that there is room for improvement, no matter how small.