Mechanical Systems Testing & Balancing was created in 1993 to perform Testing, Adjusting and Balancing with an unbiased point of view, and to provide the owner with a turnkey mechanical system when the project was completed. In 1994, MSTB became NEBB-certified to further provide owners with assurance that their facilities have been adjusted and balanced to the highest possible standards. We currently offer services in both Air and Hydronics for Testing and Balancing, as well as HVAC Commissioning with a primary focus on educating owners and operators on total system balancing and healthy/green buildings. With offices in Richmond and Hampton Roads, and more than 25 test and balance personnel on the job year-round, MSTB provides unparalleled service and expertise from Virginia’s eastern shores to the Shenandoah Valley.