Thermal Storage Applications – A Trip to the Future

Written by Max Ma, ERS In the pre-industrial world, those seeking refuge from the blistering summer heat might have turned to ice harvested from mountain tops or caves. Such a precious form of cool technology was made obsolete with the advent of mechanical air-conditioning. However, now that electric demand charges make us sweat more than … Read more

Energy Efficiency Upgrades Are a Win-Win for Easton Area School Board

Easton Area district may get $8 million in energy efficiency upgrades Lehigh Valley Live, June 15, 2015. Image credit: Taken Constellation NewEnergy officials said the upgrades in lighting, heating, cooling and other systems would pay for themselves in 16.3 years. With interest and financing costs, the project is $10.7 million. Ted Hughes of Constellation said … Read more

Ask the Expert: Are Pressure Independent Valves Worth the Hype?

The pressure independent valves can provide real savings in systems that have the low delta T syndrome, which seems to affect a lot of campus style centralized chilled water/hot water systems. The low delta T situation is mostly encountered during part load conditions and is manifested in excessive pumping.