For six decades, the Calvert-Jones name has been synonymous with superior commercial service for mechanical and energy efficient products and solutions. Our company is led by over 200 team members that include a variety of highly skilled engineering, LEED, and design experts. We are one of the leading providers of green and mechanical services to the greater DC, Virginia, and Maryland commercial markets, and have provided innovative building management and performance-enhancing energy solutions to a wide variety of customers.

By delivering courtesy, honesty and expediency to everything we do, Calvert-Jones has earned a coveted reputation among business leaders, equipment manufacturers, the engineering community, subcontractors and vendors. Our dedication to fostering long-term relationships has enabled Calvert-Jones to attract and retain top-tier talent, build partnerships with the best vendors, and retain loyal clients.

No matter the size or complexity of your project, Calvert-Jones can provide a solution for your building in many areas, including design/build, LEED certification, retrofits, retrocommissioning, energy audits, VRV's and more efficient equipment, building automation, preventive maintenance and much more. Our custom solutions will meet the precise needs of your new building or existing facility. Contact us today for more information: (703) 370-5850.