Duct Leakage Testing Northern Virginia
Duct Leakage Testing
Duct leakage testing measures how much conditioned air escapes from a home’s duct system before it reaches the living space. This diagnostic test is essential for verifying that ducts are sealed properly, especially in new construction where energy code compliance is required.
The test involves pressurizing the duct system using a calibrated fan to measure the rate of air leakage. This allows us to determine whether the ductwork meets the maximum allowable leakage rates set by energy codes or performance programs.
Beyond code compliance, duct leakage testing plays a vital role in achieving high-performance building certifications such as ENERGY STAR for Buildings, LEED, Zero Energy Ready Home, NGBS, and others. It’s also a valuable tool for homeowners and HVAC professionals looking to diagnose airflow problems, comfort issues, and wasted energy.
We are certified by the Building Performance Institute (IDL, BA-T, BA-P) and are a Virginia-licensed Residential Building Energy Auditing Firm. Whether you’re a builder needing testing for an entire subdivision, a contractor closing out a permit, or a homeowner trying to improve comfort and efficiency–we provide professional-grade duct leakage testing to meet your goals and ensure your system performs as designed. Certified testing in the many Northern Virginia communities including Alexandria, Annandale, Springfield, Arlington, Vienna, Falls Church, McLean, Burke, Fairfax, Sterling, Herndon, Reston, Great Falls, Oakton, Ashburn, Aldie, Leesburg, Centreville, Clinton, Chantilly, Manassas, Bristow, Nokesville, Gainesville, Haymarket, The Plains, Warrenton, Bealeton, Dumfries, Lorton, and Woodbridge.
REVIEWS FROM OUR CLIENTS
B Gunn
00:24 23 Jul 26
Thoughtful, considerate, professional, Listened to us, answered questions, did a very good job of taking care of the situation and helping us maintain our system. Thank you for being there
Nancy Bailey
22:10 21 Jul 26
Justin did a great job today cleaning my dryer vents. Prompt, efficient & professional. Left nothing for me to clean up. The Dryer Vent Guys are reliable & experienced. Use them regularly.
Ann Ellis
18:52 21 Jul 26
Mike was very professional and very clear in what needed to be done. He went over his safety inspection and began the job. He was polite, helpful and cleaned up when he was finished. Look forward to working with the Dryer Vent Guys in the future.
Sue Luster
18:42 21 Jul 26
Nice clean and they did a great job
Matthew Sealy (Matthew Sealy)
17:34 21 Jul 26
Wonderful, fast, professional and efficient job by Justin. Showed me my issues, talked it out, fixed them on the spot and kept to quoted cost. Will def use this company again.
Candy Satchell
21:15 20 Jul 26
He was great! Got the vent cleaned out and put it all back like it was.Thanks
Bernice Brythorne
19:32 17 Jul 26
We've had The Dryer Vent Guys help clean out the vent exhaust system for our dryer on the second story for the last two years and have been very happy with the service. The office team is super responsive and Michael has been professional, friendly, and wonderful to work with each time. I highly recommend!
Shane Crandell
13:23 17 Jul 26
We have used the Dryer Vent Guys for years. All technicians have been great, personable, and professional. It gives me comfort knowing that me vents are clean and I have no worry of a fire or diminished drying capability. Trust these guys.
Jon Anderson
17:10 16 Jul 26
Very professional and clearly explained work. Backed claims up with photos.
Kim Lewis
11:56 16 Jul 26
Showed up on time , made recommendations showing me pictures and reasons why needed items changed. Service done quickly and cleaned up everything after. Top notch service.
JP
23:01 15 Jul 26
Michael Q was very professional. Completed the job quickly and with good quality. This was for a routine cleaning, so there was not much to this service. I would recommend The Dryer Vent Guys on my next service.
Steve Trojan
09:59 15 Jul 26
We had them come out to clean our dryer vent and they did a great job. From setting the appointment through finish it was a very professional experience. Our tech, Thomas, was very friendly, very professional and informative. Will definitely use again.
Rick Wheeler
00:04 15 Jul 26
The technician phoned ahead and arrived on time. I would rate his work, professionalism and knowledge as excellent and would not hesitate to ask for Dryer Vent Guys, and him again personally should we ever require vent cleaning again. Highly recommend Vent Guys for any vent cleaning service based upon his performance today.
Debbie Conway
17:42 14 Jul 26
Very Proffessional, Clean and quick,highly recommend
Jennifer Lowry
17:39 14 Jul 26
Always great to work with! Professional and courteous.
Roxy Moron
12:09 14 Jul 26
Great service, punctual, and efficient. Very friendly and knowledgeable. My appliance is working properly again!
Mike McKee
23:38 13 Jul 26
Will and Dan did excellent work for us today. Very pleasant and professional!!
Kathryn Facchiano
14:05 11 Jul 26
We always receive fantastic service from The Dryer Vent Guys!
Ashley Pugliese Bleakley
15:49 10 Jul 26
Jackson & Ty were thorough, friendly and professional as they quickly identified and then resolved our issue. Highly recommend.
Marc Weppner
14:53 10 Jul 26
Michael Q. worked on our dryer vent today. It has been a long time since it was done (if ever). He was on time, friendly, explained everything, and did a great job. Highly recommend.
Francisco Parisi
14:32 10 Jul 26
Great professional service, provided nice recommendations and addressed all issues and questions.
Jonathan Baker
21:32 09 Jul 26
I have used these guys a couple of years now. They are super professional and Michael (the guy I had) is super efficient and knows all the tricks to get things clean and safe.
Marianne Martin
18:34 08 Jul 26
On time, professional, and thorough.
Ron Wester
18:31 08 Jul 26
Lucas and Alex were great. So glad I found this company. Will be calling again the next time my dryer vent needs cleaned. Thank you so much.
Richard Williams
11:20 07 Jul 26
Very Professional!
Adriane Butler
19:22 03 Jul 26
Michael did an exceptional job. He explained the process step-by-step and left things neat and orderly.
Chris Rivera
14:41 03 Jul 26
Eric Feitelson
19:55 02 Jul 26
Will was very thorough, speedy, efficient, professional, and informative!
Thomas Moore
13:14 02 Jul 26
Very professional, expert, and friendly, and they got my dryer working efficiently again. I've hired a scam company in the past and was leery of engaging another one, but they allayed my concerns. I also tried doing it myself using tools purchased online, to no avail. Highly recommended. I thought the price was reasonable, especially since you can end up spending just as much on someone who won't deliver the same top drawer service.
Jason Garfield
23:11 30 Jun 26
Hilary Wood
22:14 30 Jun 26
Lucas was fantastic as was the whole experience with The Dryer Vent Guys. From initial contact, to scheduling, to the service -- all top notch. Lucas (and Alex) was on time, informative, professional, courteous, friendly and knowledgeable. He was able to answer all questions, give excellent feedback and instruction for any future service needs. Thanks so much! Highly recommend The Dryer Vent Guys and Lucas.
Wayne Troy
13:53 30 Jun 26
Great worker, pleasant, very professional
Eric Shoenfeld
13:03 30 Jun 26
Thomas did a nice job!
Tillmon Woodson
22:48 29 Jun 26
Patty Jacobs Jacobs
21:57 29 Jun 26
James Cribbs
01:31 26 Jun 26
I’ve been on both sides of craft trades support transactions, I made my share of mistakes as one will do when learning to truly earn my pay check. Todays experience with Jim (AKA JAMES DAVID) was as professional and comprehensive as I could have hoped to be in my own life. On time, on target…Jim explained what he was going to do by methodical and complete interaction with me and my wife. Once explained he set to work with little or no breaks or potable music devices. Many photos sufficient explanation with what he had done and what was beyond further repair. Bottom line..never better ever skilled support. Thanks to Jim and the dryer guys front office for doing a job well done. Huzzah!JDC OOPS. BEST TO BARBARA as well.
Joe Indelicato
17:49 25 Jun 26
Great expert service and staff. Do not use anyone else. Highly recommend.
Ron Michener
12:21 24 Jun 26
More than 30 years ago, our house was built without a dryer vent. We quickly discovered this, but the makeshift vent we had installed can only be described as janky. Michael entirely redid it, and our dryer now has a proper exhaust vent. One less drain on our electric bill; one less fire hazard. I am pleased with the result!
Paula Hughes
13:30 23 Jun 26
Knowledgeable and skilled excellent customer service!
Alfred Whitmore
21:57 22 Jun 26
Really knowledgeable.
E D
21:08 22 Jun 26
Justin did a fantastic job on our yearly dryer vent maintenance. He was super prompt which freed up my day and his courtesy and professionalism were unparalleled!
Gary Kelleher
14:43 22 Jun 26
Michael was very courteous and professional.
Jabrond Gamble
11:20 22 Jun 26
Mohamed Elnahass
09:40 20 Jun 26
The crew did a great job on a difficult to reach dryer vent. They arrived on time, took photos, videos and explained everything to me. They were very respectful and courteous and made sure the work area was clean before they left. Great experience!
Cortney Thomasson
12:55 19 Jun 26
The dryer vent guys are always very professional. I love that they call every year to remind you to get your vent's cleaned. Justin was professional, explained everything he was doing and was on time. I would recommend them to anyone who needs their vents checked or for just an annual cleaning.
Suzanne Snider
10:23 19 Jun 26
Justin was very professional, knowledgeable, and friendly! He explained everything and even made sure that he left the area cleaner than it was before! I would highly recommend this company!
Steve Fry
02:10 19 Jun 26
Candy Thacker
20:17 16 Jun 26
Very professional.
Mark Long
21:24 15 Jun 26
Austin was fantastic and did an excellent job. I will be happy to have him back each year to clean my dryer vent.
markchandlerlemon
16:02 15 Jun 26
Carina Wear
14:53 15 Jun 26
Tamara Dunklin
15:01 13 Jun 26
Kay Bechtold
04:58 12 Jun 26
Jackson did the dryer clean out and vent cleaning for our old but new-to-us Kenmore 70 series dryer. He pulled $4.89 in change out of the machine in the process and even took care of a surprise critter he found behind the dryer. He arrived on time, explained everything, and was professional and kind. Thanks, Jackson!
Ann Lawlor
21:13 11 Jun 26
Great job! Explanations were clear, work was done efficiently, and men were courteous.
Jimmy Wild
21:13 11 Jun 26
Nancy Sheehy
17:59 11 Jun 26
Everything went just fine. The technician was knowledgeable and respectful of our property. He did a good job.
Jim Wohlhueter
15:00 11 Jun 26
We called the Dryer Vent Guys as our dryer was not drying the clothes properly. Jackson arrived and inspected the system. It could not be cleaned as a repair was needed. The cost was $129 for inspection, photos, video & travel.Jackson returned and replaced the air vent with a dryer jack vent and cleaned the system. The cost was $899 for repairs, cleaning, travel, video and photos.Jackson was extremely easy to work with and had great communication skills. He arrived on time and is very detailed in his documentation.
Mister 7
16:52 09 Jun 26
Brennon & his partner were fantastic! True professionals! Excellent customer service, communication, and professionalism!
John Lardner
21:54 08 Jun 26
Jackson was great and he gave an honest list of options for my under the deck situation. I appreciate his time to explain and willingness to crawl into small spaces to get the job done right. Will definitely use dryerventguys again when needed!!
John Smith
16:30 08 Jun 26
Arrived on time, professional and friendly.
Amy Staubs
14:43 05 Jun 26
Austin was great
Robin Snell
19:56 04 Jun 26
I don’t think I’ve ever had a service, repair, or installation at my home done with more professionalism and transparency as I experienced today with Lucas. He identified the problem, explained what he would do to remedy it, and set about doing that efficiently. He took photographs, described what they revealed, a clogged dryer vent that was impeding air flow drastically. Once Lucas was finished with the job, he cleaned up the mess and left my home with the dryer in perfect working order again. Additionally, Lucas liked my dogs which I enjoyed
Val Sal
11:22 04 Jun 26
Excellent experience with the Dryer Vent Guys! They were right on time, professional, helpful, and friendly. They answered all of my questions and explained the process step-by-step. They took care with the equipment and cleaned up quickly.
Bobby Wallace
17:02 03 Jun 26
Prompt and courteous service performed by Austin T of Dryer Vent Guys. He was on time, notified us when on the way. Provided us a video with photos and commentary on our dryer. All around great job!
Wayne
14:44 03 Jun 26
After spending days watching a bird going in and out of a bathroom exhaust vent- I am so grateful for the exceptional service provided by Austin. First and foremost-Austin is skilled in his craft. Austin took his time while customizing my bathroom exhaust vent screens. I truly appreciated his dedication to answering all of my many questions. All with a smile. Austin-thank you for your hard work and attention to every detail.i am very grateful. Barbara- you are amazing at your job. Your role as scheduler is critical. As the initial contact for your company-I had complete confidence as you answered my many questions regarding your company services.Additionally- after experiencing the exceptional service from Austin-I immediately scheduled my dryer vent cleaning. I am amazed at the attention to detail performing this critical service.The take away from both appointments is that I believe the dryer vent guys are the best in the business. Congratulations to all of you for providing our community with such an invaluable service
Sara Mikulic
20:01 02 Jun 26
Austin was amazingly thorough, professional, and he kept me informed throughout the process. Would hire him again in a heartbeat.
Benjamin Dawson
00:31 02 Jun 26
Steven Diamond
21:33 01 Jun 26
Renee McMichael
15:12 01 Jun 26
Efficient and quality service!
Shelby H
01:02 30 May 26
Lucas did an amazing job cleaning and upgrading my dryer vent and exterior vent cover. From start to finish, he explained the entire process and took the time to answer all of my questions. He was professional, knowledgeable, friendly, and clearly takes pride in his work.What impressed me most was his attention to detail and willingness to go above and beyond to ensure everything was done correctly and that I was completely satisfied with the finished product. The quality of the work exceeded my expectations, and I now have peace of mind knowing my dryer vent system is clean, safe, and functioning properly.Lucas is an all-around great guy, and his outstanding customer service made the experience even better. I highly recommend The Dryer Vent Guy and will definitely be recommending Lucas and the company to my friends and family. Thank you for a job well done!
Andrew Price
22:29 29 May 26
David Weingart
00:56 29 May 26
Lucas arrived on time, showed care for the house and communicated very well!
Emily Kelley
21:48 28 May 26
The crew that came out was very knowledgeable and friendly! I will definitely continue to use this company.
Christina Leffler
23:54 27 May 26
Lucas was not only on time but early, extremely efficient and thoroughly explained everything he found as well as the solution to fix it. Highly recommend!
Arsen Milman
00:21 23 May 26
Excellent service, highly recommended!
Robert Butler
23:36 21 May 26
The Dryer Vent Guys did a great job cleaning not only our dryer vents, but two other vent lines, one of which was being used by a bird to nest. Austen was professional, efficient and went out of his way to keep us informed about what he was doing and how it was going. This maintenance was well worth the money.
Don Keys
14:57 21 May 26
I had Brennon from the Dryer Vent Guys recently clean out my dryer vent. The dryer vent was located on my roof. I thought he did a very good job. He seemed very knowledgeable, was courteous, and took his time doing a good job, along with pictures of his work before and after showing how well the vent was cleaned.He also cleaned out the dryer itself. I am very pleased and would not hesitate to recommend him and his company to my friends and family.Don Keys
Chase Ponder
12:58 21 May 26
Great guy. Really good and quick work.
Len Grigsby
21:44 20 May 26
Sharon Henderson
19:17 19 May 26
Brennon was awesome! He explained what needed to be done and what he was going to do. Very professional and great service!
Ben ODell
18:30 19 May 26
Explained everything he was doing. Reported to me throughout the process. Was quick and careful. A pleasure to work with!
Carol Ann Fratangelo
12:16 19 May 26
Very responsive, thorough, professional. Definitely would recommend.
Kelli Derkits
01:08 19 May 26
I recently had my ducts and dryer vent cleaned by Jackson and couldn’t be happier with the service. Not only did they do a great job cleaning everything out, but they also discovered that the metal dryer vent had become disconnected. They fixed the issue immediately without hesitation. Their professionalism, attention to detail, and willingness to go above and beyond truly stood out. I highly recommend them to anyone needing duct or dryer vent cleaning!
Zuzana Zuehsow Šindlerová
17:17 15 May 26
Lucas did a fantastic job! He was very professional, polite, and respectful. He explained everything clearly and with patience. He went above and beyond. We will be happy to work with them in the future as well. Thank you!
Alexa Danza
14:59 15 May 26
Great experience and very fast!
Jade West
22:10 14 May 26
The dryer event folks (Jackson, in my case) came to my home this morning (exactly on time), to clean my dryer vent. He did a great job, leaving behind no trace that he had been there. He also recommended a few things that might improve the safety of our system. I did one of the things he recommended, not the other two, and there was no upselling pressure. All around good experience.
Bob Gorman
15:56 14 May 26
Brennon and Ty were very professional, courteous and friendly. Two more reasons why the Dryer Vent Guys have such a great reputation.
SANDRA STATEN
13:49 14 May 26
Danielle Hale Hedge
23:37 13 May 26
Great service professionals. Clearly explained what they would do; executed; then walked us through the results in a friendly manner. I'd hire them again.
Erin Chrisman
20:36 13 May 26
Lucas of the Dry Vent guys was awesome. He was very polite and professional. Highly recommended them.
Bowser Family
17:48 13 May 26
A wonderful job done as always! Thanks!
Emily Wyant
00:50 12 May 26
I have used the Dryer Vent Guys on several occasions with great results. Brennon did an excellent job cleaning out my vent, explaining the process and answering questions. He was timely and professional. I would definitely use this company again!
Lynn Burroughs
12:01 10 May 26
Duane Motley
21:03 08 May 26
Very pleased with their services. Highly recommend. The tech was extremely knowledgeable.
David Bishop
17:37 08 May 26
Jackson was great. Called us before arriving, wore booties inside. Was very thorough in his inspection, provided excellent suggestions for some modifications and then performed the vent cleaning with minimal disruption and high efficiency. Great visit. Will use Dryer Vent Guys again if we have additional needs.
Carly Kelly
23:08 07 May 26
Curtis Cephas
22:13 06 May 26
Great service and really explained everything well.
John Maschek
18:11 06 May 26
Phyllis Tucker
16:27 06 May 26
The Job Done Right.
Guaranteed.
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Service Area
- Alexandria
- Annandale
- Springfield
- Arlington
- Vienna
- Falls Church
- McLean
- Burke
- Fairfax
- Sterling
- Herndon
- Reston
- Great Falls
- Oakton
- Ashburn
- Aldie
- Leesburg
- Centreville
- Clinton
- Chantilly
- Manassass
- Bristow
- Nokesville
- Gainesville
- Haymarket
- The Plains
- Warrenton
- Bealton
- Dumfries
- Lorton
- Woodbridge