In a previous article A New Age In North American Hydronics I promised that we would venture into the word of light commercial pump sizing using variable speed pumps. How many times have we been ...

An HVAC system’s energy efficiency is only as good as the engineering firm that monitors and upgrades it. Hemant Mehta’s WM Group must be doing something right because he and his team have been ...

GREENVILLE, Ill. — Enertech Global, a manufacturer of ground-source and air-to-water heat pumps, has launched the WV, a variable-speed hydronic heat pump that the company says is engineered for ...

Variable speed drives are transforming modern irrigation by shifting control from valves to pump speed. Instead of running motors at full capacity and throttling flow, the drives adjust motor speed to ...

Chris Parsloe argues that a modular approach to system design helps exploit the energy saving potential of variable speed pumps In the shadows cast by Part L of the new Building Regulations and the ...

Atlas Copco has announced a new breakthrough in the world of Liquid Ring Vacuum technology with the launch of its LRP 700-1000 VSD + range of intelligent liquid ring vacuum pumps. A huge departure ...

To investigate the performance of engine cooling water pump in automobile with variable rotating speed, experimental tests and numerical simulation are carried out on an engine cooling water pump ...