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HVAC Services in Fairfax, Loudoun, & Prince William Counties, VA

At HVAC Unlimited, we are known for striving for perfection when it comes to delivering the best local services in Fairfax, Alexandria, Lorton, Arlington, and surrounding areas. Our North American Technician Excellence (NATE) certified staff of HVAC contractors and expert plumbers are trained in the latest technology and techniques. We provide top-quality work in both residential and commercial heating services.

Get the value-focused & trustworthy HVAC service you deserve today!

Reliable Plumbing, Air Conditioning & Heating in Northern Virginia

Our HVAC contractors and plumbers are trained in the latest technology to work on all brands of heating, air conditioning, and plumbing systems and can accurately diagnose any problems you may have. From installation and replacement, to maintenance and repair, we do everything in our power to keep your home's HVAC and plumbing systems running efficiently. If you're located in Fairfax, Loudoun, or Prince William County, Virginia, there's only one plumbing and HVAC company you need to know—HVAC Unlimited.


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Top-Rated Heating, Air Conditioning & Plumbing Services in Northern VA

Northern Virginia Heating Services

Whether you’re shopping for a newer, more energy-efficient heating system or need repairs on your existing one, we can help! Our HVAC company offers the following heating services in Northern Virginia:

Is your heating system giving you trouble? Our Lorton area HVAC company can help—contact our heating contractors.

Northern Virginia Plumbing Services

You can trust our certified, licensed, and insured plumbers to get the job done. We have the training and tools to provide for all of your plumbing needs, including:

Call us at 703-493-1200 whenever you have a plumbing emergency. Our plumbers are available 24-hours a day for homeowners in Fairfax, Virginia, and the surrounding areas!

Northern Virginia Air Conditioning Services

HVAC Unlimited offers a full array of air conditioning services, and we are available 24-hours a day. Our HVAC company provides:

Air conditioning won’t turn on? Call the top-rated Northern VA HVAC company at 703-493-1200!

Commercial HVAC Company

Our Lorton HVAC company been serving local businesses as a dependable commercial HVAC contractor in Northern Virginia for years, offering leading heating, air conditioning, and plumbing solutions.

Contact our commercial HVAC company to schedule an in-house consultation throughout Fairfax, Loudoun, and Prince William County, Virginia.


We have staff on call at any time of the day or night, every day of the year so that we can provide assistance during emergency situations.

The HVAC Unlimited Advantage:

100% of our technicians are NATE & Carrier Certified.

Ask about our 3 year,
special financing.
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