Researchers in the United Kingdom found that thermostatic radiator valves can reduce air-source heat pump space heating energy use by 6–8% without affecting system efficiency when used correctly. TRVs ...

Part I in the October 2002 issue began to unravel the mystery of deciphering airflow numbers that are derived from flow bench testing. We addressed the question, "Why test for airflow?" and detailed ...

Learning the basics can ease loop tuning frustration and ensure stability. During plant operations, it seems that tuning control loops is an ongoing task, which can be a continual frustration to ...

SplashValve utilizes capacitor charging and discharging to spread power demand, reducing peak current requirements and enabling smaller power supplies. It operates with a 90-degree bi-directional ...