About Us

For quality products and world-class service, more people trust Brothers Mechanical Services® for all of their commercial mechanical contracting needs. We offer one of the most comprehensive lines of mechanical services in the industry, and we have been proudly serving the local area for over 15 years. When you want professional service, quality selection, and competitive prices, the professional technicians at Brothers Mechanical Services are standing by to serve your needs.

Brothers Mechanical Services Capability Statement


Our Philosophy

Regionally headquartered in Manassas Virginia serving the Northern Virginia, Maryland, and Washington DC area. Brothers Mechanical Services® was founded in Haymarket Virginia under the principle of providing commercial HVAC industry with a higher level of service and support that clients won’t find anywhere else. Our commitment to customer satisfaction shows in everything we service as well as the products we install.


  • Department of Defense – United States Army
  • Department of Defense – United States Navy
  • Department of Defense – United States Air Force
  • Department of Defense – United States Marine Corps
  • Department of Defense – Army National Guard
  • U.S. Department of Veterans Affairs
  • U.S. Department of Homeland Security
  • The United States Army Corps of Engineers
  • U.S. National Park Service (NPS)
  • General Services Administration (GSA)
  • Fairfax County (VA) Public School System
  • Arlington County (VA) Public School System
  • Washington Airports Authority

Choose Us?

Brothers Mechanical Services® offers a wide array of professional services for your business including:

  • Installation & Repair Chillers Up To 1000-Ton
  • Chiller Preventive Maintenance Service
  • Installation & Repair Boilers Up To 2200
  • Boiler Preventive Maintenance Service
  • Installation & Repair All Cooling Towers
  • Cooling Tower Preventive Maintenance Service
  • Boiler Chiller Piping and Repair
  • Installation and Repair Commercial Air Handler
  • Commercial Refrigeration Installation & Repair
  • Rooftop HVAC Units Up To 250-Ton
  • Mechanical Engineering Services
  • Direct Digital Control (DDC)
  • Walk-In Coolers Freezers Install Design Install and Repair

Highly Trained and Certified Technicians

Brothers Mechanical Services® is an SBA 8(a) & DOT DBE Certified Firm; our technicians are among the best in the field and have the knowledge and training to get the job done right. Every technician we hire is fully tested and certified in the HVAC industry in the state of Virginia. We certify our technicians through the National Association of Power Engineers and the National Association of Technical Excellence. For your safety and their own, we ensure our technicians are certified through both (EPA) and (OSHA).

To learn more about Brothers Mechanical Services® and what we can do for your commercial project, contact us and let one of our friendly, knowledgeable representatives assist you with your project and answer any questions you might have.

We appreciate your continued patronage and would like to thank you for visiting us today and for making Brothers Mechanical Services® your number one source for all of your commercial mechanical contractor needs.

Daikin Magnitude® magnetic bearing water-cooled chillers, available from 100 to 1500 tons, are designed to create the ultimate in climate-controlled environments for offices, data centers, K-12 schools, colleges, hospitals, and healthcare facilities. Building owners and property managers realize the benefits, too, in terms of reliability and performance. And when it comes to saving energy, Magnitude is up to 40% more efficient than standard centrifugal chillers and can save up to $4 million over the life of the chiller.

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