365网址导航 contractors that perform HVAC 测试, Adjusting and 平衡, are usually referred to as TAB contractors. These contractors provide specialized services includes performing air and hydronic measurements on the HVAC systems. Their reports form a course of action that assures the HVAC systems are operating at the highest standards of energy efficiency, ventilation effectiveness, indoor air quality and comfort in a healthy indoor environment.
The balancing is usually based upon the design flow values required by the customer or designer. The TAB contractor submits a written report which summarizes the test results and notes any deficiencies found during the TAB work. Many times a TAB contractor will be used to assess and identify any preexisting issues within a facility.