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 ...

Chillers have typically been thought of as providing cold water to cooling coils located in a variety of air-handling systems throughout a building. However, there are certain building owners and ...

As the ambient temperature increases, a gas turbine’s output decreases. Since spot market prices for power invariably increase in the summer, the reduced gas turbine output at high temperatures can ...

Although absorption chillers were introduced over a century ago, today it is worth examining what’s new and what’s next while dispelling some old misconceptions. Absorption chiller technology has ...

Chillers are energy hogs. Free cooling can give you a break by using colder ambient air during winter to perform cooling in ...

Ensuring the availability of water for power plants is a matter of both water quantity and quality. As freshwater becomes less available for power plant use, new supplies from marginal or impaired ...