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Alexandria Indoor Air Quality Testers

Browse these indoor air quality testing companies with great ratings from Thumbtack customers in Alexandria.

  • 13 years in business
  • 300 hires on Thumbtack
Robin S.
Verified review

Came and provided the service requested, didn’t try to sell me more than what I KNEW I already needed. For this reason I will use them again and more importantly refer!

  • 10 years in business
  • 211 hires on Thumbtack
Cristen G.
Verified review

He came the same night we called. He was able to complete the work quickly even though he had to come the next morning after he got another part. We are really satisfied and will definitely call him again if we have HVAC issues! Thanks for helping us out!

Mold Control Services LLC
from 93 reviews
  • 144 hires on Thumbtack
Evelyn X.
Verified review

Michael Davis and his crew were outstanding. 10/10 and I highly recommend his services. My boyfriend and I have been sick for months and could not figure out why. When we noticed the black spots in our ceiling, we realized that it could be environmental causes. I got on thumbtack and found Mold Control Services and talked to the owner Michael. Before I even thoroughly started to explain our symptoms, he knew exactly what was wrong. He came the next day to do a free inspection. I questioned him about air quality tests and what not but he told us that there's no point in wasting our money to do one when he knows the mold is already there. When I spoke with some other local companies, they were charging about 300-400$ just to do some tests. With Michael, he came to my house to inspect the mold for free and told us what was wrong right away. He is so knowledgeable in his field. He told us exactly what type of mold he thought it was and when he cut open the dry wall, it was exactly what he said it was. He is very thorough in his work. He made sure that the air quality in my home was back to normal as well as removing the mold that was on my bathroom ceiling. He is fair on price and he makes sure that his customers are looked out for. I know that these types of services are confusing sometimes and every company does it differently but Michael does it right. If you have mold or suspect you have mold, you need to call Mold Control Services. Michael will tell you the truth, everything you need to know, and charge you a very fair price to get it removed. I highly recommend him.

  • 20 years in business
  • 76 hires on Thumbtack
Cathy Z.
Verified review

I have used Certified Building inspections on a number of home inspections and found him to be very professional, on time and accurate with his reports. What I really like is that they provide radon testing equipment that read the results on site and deliver the results without having to wait for the kit to be sent out to a lab which saves time.

ComfortFactor LLC
from 52 reviews
  • 8 years in business
  • 70 hires on Thumbtack
Jeanette S.
Verified review

They were very responsive, and gave me options for fixing the fireplace. They had to order (expensive) parts and that took 2 weeks (not their fault and it’s summer after all) but all in all they completed the work and the fireplace works great once again!

MJ Home Services
from 42 reviews
  • 9 years in business
  • 58 hires on Thumbtack
Ariel D.
Verified review

We had some mold in our basement and decided to let the professionals handle it. Jake was awesome and answered all my questions and I will definitely be using them in the future. Thanks MJ

  • 5 years in business
  • 44 hires on Thumbtack
A. C.
Verified review

Ken was great from start to finish. He took the time to talk with me before the inspection and let me know what to expect. Then, he set up an exact appointment (no four-hour window!) and worked with my schedule so I could avoid taking off too much time from work. He was on time to our place and was professional and polite, explaining more about his process and thoroughly checking out the problem. Throughout, he was excellent in his kindness, understanding, and communication. We agreed to two indoor air samples, in addition to the outside control sample. (He even talked us out of another sample as unnecessary!) Best of all, he was very calm and reassuring with my girlfriend, who was highly upset due to her asthma being seriously aggravated by the problem. As he promised, the lab results came back the next day (bad problem), and he had his full report to us the following day. It included an excellent, comprehensive protocol for selecting and hiring a remediation service. Having been through a mold situation three times in three separate places now, I can tell you firsthand how absolutely important it is to get an independent inspector/tester like Unbiased Mold Inspection, which does not do any remediation or anything else. A LOT of companies do it all, which can make their intentions suspect. With Ken and his company, you know you're getting an objective opinion from someone who's not trying to sell you more services.

Top Pro
  • 3 years in business
  • 34 hires on Thumbtack
  • Top Pro on Thumbtack
Alex M.
Verified review

We needed help evaluating the air quality in our new house (baby was getting constantly sick for months). The services we got from Dan at AdvantaClean were great! He was really patient and listened carefully what the concerns were, then ran the tests we agreed make sense and sent us a very easy to understand report of his findings. We felt he was very knowledgeable, understanding, and professional. Thanks again, Dan!

AdvantaClean of Frederick
from 15 reviews
  • 3 years in business
  • 11 hires on Thumbtack
Beth P.
Verified review

We contacted AdvantaClean of Frederick when we realized that we had a water and mold problem in a closet in our basement. AdvantaClean assessed the situation the next day and worked the better part of the day to clear and remediate the problem. They found an additional space with water and mold problem that we didn't know we had. They checked back in with us to test air quality once or twice. They removed contents from the affected spaces, which was really going above and beyond of what I would expect. I would highly recommend them to others. Top notch service and very knowledgeable of water and mold remediation.

  • 1 year in business
  • 5 hires on Thumbtack
Dianne D.
Verified review

Robert did an excellence job from start to finish. He was polite and efficient. Very customer service oriented. He provided comfort in the meantime while awaiting the air condition install.

DMV Mold
from 7 reviews
  • 3 years in business
  • 21 hires on Thumbtack
Thomas P.
Verified review

Tim was very informative and knowledgeable about air quality issues. The tests he performed confirmed our suspensions that we had an air quality issue. It would have been great if the tests came back negative. However, we have a plan to get the problem solved.

  • 8 years in business
Kimberly D.
Verified review

I was concerned with the strange subtance I noticed in my basement. A friend of mine referred me to RAE Enviornmental Services. From the moment I spoke with the consultant over the phone I felt at ease. They were friendly and courteous and were able to accomodate my schedule immediately. The inpector was committed to providing the most thorough and comprehensive Mold inspection and testing available. He used state-of-the-art assessment procedures and equipment to completely evaluate the air quality in my home and identify the source of moisture and water intrusion that may have been causing mold growth. I felt their services were detailed, efficient, accurate and completed in a timely and professional manner. I was also provided with a full report and laboratory findings. Thanks RAE

Capital Air Care
from 1 review
  • 13 years in business
Cynthia W.
Verified review

I was very pleased with the service I received from Capital Air Care. The technician was very knowledgeable about my situation regarding the terrible mold problem I had with my main unit. The tech also checked my rooms and dryer vents. I checked with other companies and found myself getting more and more frustrated until I found this company. I would highly recommend Capital Air Care to everyone who's looking for this kind of service. - Kelly J.


Winters Heating & Cooling was founded in 1948 and has provided Southern Maryland with quality heating, cooling and indoor air quality products and services for three generations.

Quality Air Solutions

New To Thumbtack


    Quality Air Solutions provides professional air monitoring, bathroom vent cleaning, dryer vent cleaning, duct cleaning. Our company uses the top-rated abatement technology system which is approved by the National Air Duct Cleaning Association, and our air monitor is manufactured by AirAdvice experts. We have been providing Montgomery County, MD with our HVAC business since 1976. Our service area includes Montgomery County, Prince Georges County and Howard County in MD and the District of Columbia. Quality Air Solutions provides up-to-date training for all our staff and years of knowledge. We treat your home as we would our own. We clean every ducts, return and supply, and our rate will never change after we begin the job.

    Hire skilled professionals for absolutely everything.