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Premier Manassas HVAC Contractors and Plumbing Company Serving Northern Virginia

A family owned business
Built on Ethics, Excellence, and Integrity

Premier Manassas HVAC Contractors and Plumbing Company Serving Northern Virginia

A family owned business
Built on Ethics, Excellence, and Integrity

Need Service Now? Our Technicians Are On Call 24/7!

Need Service Now?

Our Technicians Are On Call 24/7!

Call Us! 703-754-1062

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We Are Invested In Our Community

See how we helped one Manassas resident through Project Mend A House.


Looking for Manassas HVAC Contractors? See Us On

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Angie's List - Twin Air, LLC

Contact us today for a free, in-home estimate on a new HVAC system!

Tollie in the Twin Air, LLC office

Here’s What People Have To Say About Us

Kenny and Zack

"I have used Twin Air for many years and have always been pleased with all aspects of your services. We will continue to be loyal customers."
- Kenny (Manassas) -

5 stars

"Continue to provide excellent service while having a high level of integrity and honesty. Not enough businesses like that and yours embodies it."
- Zack (Alexandria) -

5 stars
James and Ali

"Great customer service, honesty, integrity, attention to detail. I was more than impressed by your technician (john). You'll definitely have my business in the future."
- James (Manassas) -

5 stars

"The best AC commercial/residential company ever. We are so happy! I had no one to call, I took a chance on finding someone online and they came right out. Professional and very knowledgeable! Thank you! We will be calling you for our other properties!"
- Ali (Manassas) -

5 stars

"Fabulous!! I will only ever call Twin Air for any and all my plumbing, heating, AC, and water heater needs. The owners (Josh and Jeremy) and their employees are honest, hard working, people of integrity. I am never afraid to have them do any work with or without me being present. I have never been so pleased and well served by any company in Northern Virginia. They are very clear on what work has to be done and honest in their pricing; there are never any surprises."
- Linda (Woodbridge) -

5 stars
Steve and Mark
5 stars

"AWERSOME service EVERY TIME! Thanks Twin Air for rescuing my office A/C today! I have been working with different air conditioning companies for the past 26 years and without question they are the BEST IN THE BUSINESS! Punctual, professional and most of all honest! "
- Steve Pleickhardt DDS (Gainesville) -

"Professional, courteous, competent service! Excellent work - great referrals for related services. Both Jeremy and Josh have helped me multiple times,but then again, they could have been the same person!"
- Mark (Woodbridge) -

5 stars

"In order to be more accurate and fair, we wanted to have a full season with our new Lennox system installed by Twin Air before writing this review. We are happy to say our home has never been cooler, our family more comfortable and our electric bill as low. Our positive experience with Twin Air began after numerous proposals to replace a 25 year old system. We were impressed by Twin Air from the first visit, when Tollie looked at our system did a load calculation and was not ashamed to say he needed input from his sons before moving forward. This was no ordinary HVAC replacement as they had to tear out an existing boiler/chiller system with yards of copper pipe and not once did they complain about the crawl space. What impressed us the most was that this team led by Jeremy really loved what they do and took pride in their work. They truly valued the challenge of replacing this system and came up with a clean, efficient and cost effective replacement. They worked with us on all aspects of the job, our schedule and did not nickel and dime us when little issues came up. Their office staff was also awesome as they handled all of the rebates and warranty registration for us. If you’re looking for an HVAC company that is professional, honest, approachable and does a phenomenal job, Twin Air is the one for you. Were sure glad we did. Great job fellas. Thank you !."
- Dawayne (Haymarket) -

5 stars
Bob and Nancy

"Josh, Jeremy, and Henry did a great job installing a new furnace and AC unit. The quality of their product (Lennox) was great, the work was done on time and installed very professionally. Their clean-up was great and the unit runs well. They also installed a new digital thermostat that works great."
- Bob (Woodbridge) -

5 stars

"Jonathan is a very good tech! He's very patient with all my inquiries!!! Very respectful and knowledgable!!! I would like him to be assigned to do our maintenance twice a year!! He's an asset to your company! I'm very very satisfied with his quality of job!!!!"
- Nancy (Manassas) -

5 stars

"Excellent. All the folks at Twin Air are top notch. They went above and beyond to install things properly. They do extremely clean work and had to make a few set up changes along the way which turned out would save us money. Customer service and interaction is unmatched as far as I'm concerned."
- Christopher (Lorton) -

5 stars
Constance and Linda

"Reinstalled and rewired furnace that was installed incorrectly by a company that went out of business. Everything went great! The guys were awesome and worked very hard to correct a problem with my gas furnace caused by the original installer who had since gone out of business."
- Constance (Manassas) -

5 stars

"Have used them for many years. Very professional, trustworthy and friendly staff."
- Linda (Manassas) -

5 stars

"Thank you Josh. Ralph is now home, our bedroom is once again cool and I can't thank you enough for putting us first on your schedule so I could bring Ralph home from the hospital on time. You are a true professional, always ready with a solution and always caring about your customers. We can't thank you enough for all you have done for us. Customers forever..."
- Charlotte (Catharpin) -

5 stars

Our Manassas HVAC Contractors Services

AC Unit

Heating & Air

Twin Air has a professional team of expert technicians who are licensed and able to work on all brands of HVAC units.

We are dedicated to giving you a quick diagnosis, providing a variety of options, and performing necessary repairs to improve the efficiency of your air conditioner unit and keep your home comfortable.

Air Quality

Air Purification

Clean air is something we all take for granted. Twin Air offers a variety of options when it comes to achieving the highest air quality in your home or business in order to keep you healthy.

These services include: air duct cleaning, duct sealing, UV air filtration, and Air Scrubber Plus installation.

illustration of geothermal heating and cooling system


Geo-exchange systems are a natural solution to heating and cooling your home.

Not only will you be using an environmentally friendly air conditioning system, but homeowners save up to 70% on their monthly energy bill! Twin Air is an IGSHPA Certified geothermal installer with years of experience with these heating and cooling systems.

water purification

Water Conditioning

Poor water quality is something that many households struggle with. Twin Air offers a variety of services to ensure that your home is equipped with the best system to provide you with clean and healthy water.

With our free water testing, we are able to assess your current water quality and assist you in coming up with a personalized plan for your unique situation.

wrenches and pipes - plumbing manassas


In addition to our regular services, Twin Air also provides assistance in plumbing projects. From installation and replacement of common household appliances to water heater maintenance.

Twin Air’s team of technicians are ready to help ensure that your home plumbing system is working as it should.

Maintenance by Jeremy


In addition to our regular services, Twin Air also provides assistance in maintenance and plumbing projects, from installation and replacement of common household appliances to water heater maintenance. We can handle furnace repair and A/C repair.

Twin Air’s team of technicians are ready to help ensure that your home heating and cooling system is working as it should.

Ready To Work With Us?

Ready To Work With Us?



Office Hours:

Monday - Friday,
7:30am - 4:30pm


8615-B Quarry Road
Manassas, VA 20110





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Fairfax, Prince William, Fauquier, Loudoun, Arlington, Manassas, Nokesville, Bristow, Gainesville, Haymarket, Fairfax, Falls Church, McLean, Sterling, Arlington, Alexandria, Vienna, Warrenton, Woodbridge, Lorton