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HVAC Company in Fairfax, Loudoun, & Prince William Counties

At HVAC Unlimited, we are known for striving for perfection when it comes to delivering the best local HVAC services and plumbing 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 air conditioner services.

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

Reliable Air Conditioner Services in Northern Virginia

Our top-rated AC company can help with it all—from air conditioner installation and replacement, to AC maintenance and repair. We do everything we can to keep your home's air conditioning systems running efficiently. If you're located in Fairfax, Loudoun, or Prince William County, Virginia, there's only one AC company you need to know—choose HVAC Unlimited for your air conditioner services.


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

Northern Virginia Air Conditioner Services

Our AC company offers air conditioner services throughout Northern Virginia, including Lorton:

Call our Northern Virginia AC company at 703-493-1200 for air conditioner services!

Northern Virginia Plumbers

You can trust our licensed plumbers to provide:

Call our Northern Virginia plumbers at 703-493-1200. Our plumbing company is available 24-hours a day in Lorton, Arlington, Fairfax, and beyond!

Northern Virginia Heating Services

Our HVAC company offers the following heating services in Northern Virginia:

Need a Lorton area HVAC company? Contact our heating contractors.

Commercial Plumbing Company & HVAC Company

Our Lorton HVAC company serves local businesses as a commercial HVAC contractor in Northern Virginia (including Lorton!), offering heating services, air conditioner services, and plumbing services.

Contact our commercial pluming company and HVAC company serving 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.
Subject to credit approval