After years of work, the new ANSI/AIHA Z9.5-2012 Standard for Laboratory Ventilation has been released. This new Standard replaces the one issued in 2003 and has a huge impact when it comes to energy efficiency in labs. After years of testing here in the United States

Looks of confusion and even a smirk are the typical response I get when I tell an Engineer or customer that Phoenix Controls does not need to measure airflow. Next come the questions. Why not? How do you know what the airflow through the valve

According to the US Department of Energy, commercial buildings account for 35% of US electricity consumption. Proper heating, ventilating, and air-conditioning (HVAC) are key to maintaining a comfortable, healthy and productive work environment. Collectively, these systems account for approximately 40% of the electricity used in