Advance Air Systems performs independent NEBB Certified Test and Balance of Environmental Systems. Our company was formed in 1993 and we are certified by the National Environmental Balancing Bureau. We have the most NEBB Certified Employees in the state of Texas. We are one of the largest balancing companies in the state of Texas with over 35 employees and annual sales in excess of 5 million dollars and have completed over 6,000 projects in over 15 states.