Service Area

Contact Us for Reliable HVAC Maintenance, Installation & Repairs in Annandale, Virginia

Is your HVAC system acting up? Our technicians are trained in the latest technology to work on all brands of heating and air conditioning units and can accurately diagnose any problems you may have. We perform maintenance on existing systems and offer seasonal HVAC maintenance service plans to the residents of Annandale so that you will be automatically put on our schedule for two visits per year, in spring and fall. Providing proper maintenance for your existing systems will keep them running efficiently and help you to avoid expensive HVAC repairs.

Annandale Cooling Services

For any of your cooling system needs in Annandale, HVAC & Plumbing Unlimited offers a full array of services, from repairs to installations and replacements. Virginia summers are notoriously hot and humid, and you don’t want to get stuck in that heat with a broken air conditioner! We are here to help 24/7, and offer the following cooling services to the Annandale, VA area:

  • Air conditioner installation, repair, and replacement
  • Air conditioning maintenance checks
  • Broken AC repair
  • Heat pump installation, repair, and replacement
  • Ductless air conditioning installation, repair, and replacement
  • In-home assessment and consultation

If your AC won’t turn on or is causing you problems, don’t hesitate to call us!

Annandale Heating Services

If you’ve ever had the heat go out in the middle of a Virginia winter, you know how much a working heating system is worth. Whether you’re shopping for a newer, more energy-efficient heating system or need repairs on your existing one, we’re here to help! We offer the following heating services in Annandale neighborhoods:

  • Furnace installation, repair, and replacement
  • Heat pump installation, repair, and replacement
  • Broken heater repair
  • Boiler repair and maintenance
  • Heating system maintenance
  • Ductless heating system installation, repair, and replacement

Have A Leak? We Now Offer Plumbing Services in Annandale, Virginia

We’re now your one-stop shop for the Annandale area’s HVAC and plumbing services! If you are in need of pipe repair or water heater installation, our expert plumbers are here to serve you. Thorough training and years of experience has prepared our plumbing professionals to address the following residential and commercial plumbing issues:

  • Faucet repair and installation
  • Garbage disposal repair and installation
  • Leak detection
  • Sump pump repair and installation
  • Water heater repair and installation
  • Tankless water heater repair installation
  • Toilet repair and installation
  • Sink repair and installation
  • Drain cleaning main and branch lines
  • Call us whenever you have a plumbing emergency. We are here for you 24/7!

Annandale Commercial HVAC Replacement, Repairs, and Installation

Annandale is a great place to work, and your employees need a cool, comfortable workplace to stay productive throughout the year, and you need great commercial HVAC systems to keep your office that way. If your business has an older system that is developing problems, you want to start shopping for a new, more energy-efficient system. By making an investment in new commercial HVAC installation, you’ll no longer need to empty your wallet for constant HVAC repairs and you’ll save money on your energy bills as well!

Contact us today to schedule an in-house consultation in Annandale, where we’ll thoroughly investigate your entire HVAC system including the ductwork and other important areas. After looking over your existing equipment and ventilation components, we will consult with you to assess your particular needs. Only then will we offer a detailed proposal indicating the options that are suitable for your situation.

At HVAC & Plumbing Unlimited, we’re known for striving for excellence in everything we do, and that includes our comprehensive commercial heating and cooling services in Annandale. From HVAC replacement and installation to maintenance and repair, we have all the great services your business needs to maximize productivity and minimize costs.

Although it remains unincorporated, Annandale is one of Fairfax County’s larger communities, boasting a population of nearly 60,000. Like the communities that surround it, Annandale is fairly affluent and enjoys large-lot zoning that affords privacy for its hardworking residents, who are mostly commuting government workers and legal professionals. Major employers that operate headquarters in the community include Computer Sciences Corporation, ENSCO and DynCorp. Its world-class park system boasts several sprawling tracts of woodland, including Eakin Community Park and Lake Accotink Park.

Like the rest of the Washington, D.C. area, Annandale enjoys a temperate climate that produces cold, occasionally snowy winters and hot, humid summers. Rainfall occurs regularly throughout the entire year. As Annandale’s leading heating and air conditioning service company, HVAC & Plumbing Unlimited is committed to delivering unmatched quality and value for its residential and commercial customers. With a wide range of Carrier air conditioners, heating systems and air quality products, the company can address the equipment needs of large businesses and small-scale homeowners alike. With a trained air conditioning repair team that takes calls on a 24-7 basis, HVAC & Plumbing Unlimited has Annandale covered.

Local Reviews
for Northern Virginia

T - Annandale, VA
I recommend that you always request that the service is to be performed by Andre M. You won't be disappointed.
Mary - Annandale, VA
Robert is very Professional and Efficient. He called 20 minutes before arrival. He did his job. Explained all. Very content with him. I would rate price / service 5 -- but pls stop raising the cost of the plans
GP - Annandale, VA
Always trustworthy and dependable service.
PK - Annandale, VA
Great job!
Tiffany - Annandale, VA
Thanks Jermaine for making sure all was well with our furnace. Happy it turned out to be an easy job for you! Best - Tiffany
WILLIAM - Annandale, VA
Jermaine was professional and courtesy. He diagnosed the problem right away. Gave an understanding of current situation/cost and a better understanding on my current a/c unit with regards to its age. Overall, I would recommend Jermaine to my family or friends if they needed help.
TGeorge - Annandale, VA
This gentleman is the most professional, knowledgeable, and thorough hvac technician that I have ever had pleasure to work with. I always request that he be the technician to perform my systems' maintenance. You will find no one better.
JODY - Annandale, VA
Great job!
mariazacharias - Annandale, VA
Andre is always professional and very kind. He takes care of problems swiftly and economically and provides very good advice about maintenance, etc.
TGeorge - Annandale, VA
As long as Andre is available to perform my HVAC systems' maintenance, I will keep HVAC Unlimited as my hvac contractor of choice. Andre's proficiency and extreme thoroughness as well as his effort in keeping me informed throughout the entire maintenance check is very much appreciated.
Mili - Annandale, VA
Heater went out Friday, late afternoon. I placed an email with the company and called back Saturday morning to confirm the company had received email. I was able to get Jeremy to fix the problem before I had to leave the house for a previously scheduled engagement. Jeremy was very professional and explained the service he was working on.
Mary B. - Annandale, VA
I had a wonderful experience with this company from start to finish. I got three quotes before I made a decision. What cinched my decision in addition to the very competitive price, was the knowledge level of the sales person. He was extremely helpful with tips for me that helped me get exactly what I wanted. He was very involved throughout the whole process.
TGeorge - Annandale, VA
In 30+ years of having HVAC service done, no one compares to the thoroughness of Andre. Additionally, he is extremely professional, polite, and knowledgeable of his trade. I trust his recommendations and findings implicitly. I will only schedule my HVAC work when it can performed by Andre.
Mr moss - Annandale, VA
Service is exemplary! I am not able to speak highly enough regarding HVAC Unlimited's extraordinary quality one costumer service. Mr. Moss Supervisor Westminster School Annandale, Va
HVAC Unlimited Inc.
Jermaine was great both on the phone and in person. He listened patiently to my story, discussed options with me, and then helped arrange next-steps. Couldn't be happier with his service.
Stephen - Arlington, VA
Ask about our special financing for 3 years with approved credit!
Accreditations & Affiliations