Variable frequency drives (VFDs), also known as variable speed drives (VSDs), are used to modulate the speed of motors in various applications, from hydronic water pumping to VAV fan units to vacuum ...

Optimizing any cooling plant for minimal energy consumption is a demanding science. In many cases, minimizing chiller plant energy consumption requires modifications to the plant design, including ...

Congolese refugees who fled the violence in the Democratic Republic of the Congo (DRC) to Burundi, use a water point at a hosting site in Rugombo, Cibitoke Province ...

The Department of Environment and Natural Resources (DENR) has flagged several poorly situated flood control projects, which may have caused more harm and created more flooding in communities. During ...

MANILA — The Department of Environment and Natural Resources (DENR) flagged on Monday poorly situated flood control projects that have affected the natural flow of water in rivers. "Ghost projects ...