Commercial HVAC Striving for Perfection

Commercial HVAC Services in Northern Virginia

NATE-Certified Technicians Available 24/7

Your employees need a cool, comfortable workplace to stay productive throughout the year, and you need great HVAC systems to keep your office that way. At HVAC & Plumbing Unlimited, we’re known for striving for perfection in everything we do, and that includes our comprehensive commercial heating and cooling services. From HVAC replacement and installation to maintenance and repair, we have all the great services your business needs to maximize productivity and minimize costs.

For reliable commercial HVAC service, call (703) 454-5040 today.

Commercial HVAC Replacement & Installation

When you need a new commercial heating and cooling system for your business, choose us. Our Northern Virginia HVAC technicians will help you select the best system for your space. Plus, they are certified and trained to install every unit to the manufacturer’s expectations, which ensures optimal efficiency and lower operating costs for you.

We’re proud to offer a broad selection of Carrier heating, cooling, and air quality systems to our commercial customers, including:

  • Air conditioners
  • Heat pumps
  • Boilers and furnaces
  • Geothermal heat pumps
  • Air purifiers, ventilators, and other indoor air quality systems
  • Packaged products
  • Thermostats and control systems
  • Cooling towers
  • Chillers
  • Water source heat pumps
  • VAV Boxes
  • IT rooms
  • Liebert systems

Because every office’s heating and cooling needs are unique, we start every installation project by assessing those needs. Our expert technicians will work with you to find the right climate control solution for your business, then work diligently to install it up to the manufacturer’s specifications.

Commercial HVAC Maintenance & Repair

Any successful business depends on efficient operations, and we’re here to help you run your company more efficiently with improved heating and cooling. We offer affordable annual service agreements to check on your essential commercial HVAC systems and clear up any emerging issues. Moreover, we’ll make the small calibration adjustments needed to minimize energy usage without sacrificing cooling power. In short, annual service from HVAC & Plumbing Unlimited will save you money on your utility bills and prevent you from needing costly repairs or replacements.

Of course, even well-maintained systems occasionally have issues, and we know your business can’t afford to wait. That’s why we offer 24-hour emergency repair services; whenever there’s a problem, our expert Northern Virginia HVAC technicians will be there quickly. We’re fully qualified to repair all major makes and models of HVAC units, and we complete most repair jobs in a single visit.

Our Credentials

At HVAC & Plumbing Unlimited, we know our colleagues in the business community can only afford to do business with companies they trust. We are a class A licensed, bonded, and insured corporation, and we hold a Mechanical Master License in the Commonwealth of Virginia. Our Founder and Vice President, John and Jack Cunningham, have over 60 years’ experience at every level in the HVAC industry. We bring our vast expertise and commitment to excellent service to every installation, repair, or maintenance job, and we’re proud to provide the top-quality service that your commercial customers have come to trust.

Contact us online or give us a call at (703) 454-5040. We serve businesses throughout Arlington, Alexandria, Stafford, and surrounding cities.

Keeping You Comfortable Honest Plumbing & HVAC Services

For us “Striving for Perfection” isn’t only a slogan—it’s the way we do our business.

Our Customers Are Our #1 Priority

See What They Have to Say About Us
  • M. Scozia

    Great Service

  • K. Lippold


  • B. Henry

    Great service!

  • Azin Razavieh

    Great Plumbing Service

  • Erik M.

    10/10 would recommend!

  • Jodie B.

    He found the problem quickly

  • Steve H.

    Offered us options and was clear about the different costs for each

  • Joy B.

    The only company willing to come out the same day

  • Lawrence B.

    Extremely happy with Unlimited!

  • Stephanie K.

    He was able to answer all my questions

  • Melinda F.

    Made everything perfect again

  • Tom F.

    They are excellent

  • Ka S.

    Quick to respond, efficient and always deliver exceptional quality

  • Ginni S.

    I am very satisfied and HIGHLY recommend this company!

  • Silvia K.

    Exceeded our expectations

  • Shobhana P.

    Very efficient, punctual and professional

  • Kay Y.

    Very friendly and super knowledgeable

  • Ardika S.

    Very clean work

  • Emily S.

    Competent and professional

  • Jennifer L.

    Knowledgeable and answered my questions

  • Lisa O.

    Takes the time to do a thorough job

  • Catherine

    He is excellent and knows what he’s doing!

  • Hector

    Honest suggestions and prices

  • Marion

    Represented HVAC Unlimited very professionally

  • Susan

    He took the time to explain things to me

  • Erik

    Super knowledgeable

  • Steve M.

    I wouldn't hesitate to give an unqualified recommendation to HVAC & Plumbing Unlimited. Nowhere will you find better service at a more reasonable price.

  • Pierre B.

    I recommend HVAC & Plumbing Unlimited to anyone who is searching for fair and honest repairs at a very reasonable price.

  • Frank T.

    I highly recommend their services to anyone in need. Of note, they provided me with a military discount which definitely helped with equipment and repair costs.

A Few Reasons to Choose HVAC & Plumbing Unlimited

  • Dedicated to Friendly & Reliable Service
  • Available 24/7 When You Need Us
  • We're Dedicated to Your Comfort
  • No-Nonsense Pricing for All Services
  • Factory-Trained & Certified Technicians
  • 100% Satisfaction Guarantee

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