With a steady decline in energy performance of the original water-source-heat pump system and sharp increases in the cost of water, Seventh & Chestnut Associates and Waverly Management LLC looked for new options to reduce maintenance and water use. According to Philadelphia-based Urban Engineers Inc., the four original 250-ton forced-draft, closed-circuit cooling towers were consuming significant amounts of water through evaporation. Even after several repairs and modifications, the boilers were unable to maintain loop temperatures for cold morning start-ups. “The challenge was to not just

HVAC named one of four technologies stimulating energy-efficient job growth According to the U.S. Department of Energy (DOE), American energy-efficiency jobs are on the rise. Per the DOE’s second annual “National Energy Employment Analysis,” a total of 6.4 million Americans now work in the traditional energy and energy-efficiency industries. More than 300,000 net new jobs were added in 2016, which accounted for 14 percent of the nation’s job growth. Of those 6.4 million energy positions, more than 2.2 million work in the energy-efficiency job sector, which is 133,000 more than the year prior