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

A coil-cleaning program should be an integral part of maintaining some kinds of process cooling equipment. Most people think of coil cleaning as a building or facility prepares to turn on the air-conditioners for another season. Admittedly, spring is a perfect time to put such cleaning and maintenance at the top of the to-do list. Condenser and evaporator coils are an integral part of HVAC systems, and one of the quickest and safest ways to maintain them is through a comprehensive coil-cleaning program. Even the best, most expensive system will not reach its optimum performance without proper

New technology finds its niche in rooftop inspections, promotional videos, surveillance, and more Drones are an emerging technology in the U.S. and are just now entering the public conscience. Some of us have read about Amazon’s bold plans to have drones deliver goods or have witnessed friends, family, or strangers operating drones in public parks. Despite their public infancy, drones have shown great potential in HVAC-specific capacities. EYE IN THE SKY Perhaps drones’ most significant HVACR application lies in their ability to inspect rooftop units. Using a drone allows a technician to

WellSpan Gettysburg Hospital was looking to modernize mechanical systems to ensure reliability of critical patient-care functions. Constructed in 1921, WellSpan Gettysburg Hospital in Gettysburg, Pa., has undergone a number of changes over the years. According to Joe Lehigh of the facility’s engineering team, the most recent were made chiefly to improve hospital operations. “The key need was to modernize mechanical systems that would assure reliability of critical patient-care functions,” Lehigh said. “High on the list was cooling equipment that had close ties to operation of our clinical and

Systematic and thorough attention to the fan and motor assemblies is essential to avoid the unexpected interruption of service. Most catastrophic system failures are easily avoidable because they are linked to a negligent lack of maintenance. Evaporative cooling equipment, like a mechanical unit of machinery, requires preventative maintenance to maximize its utility. Simple maintenance procedures provide enormous benefits to connected systems and equipment, manufacturing processes and plant personnel. Benefits include the reduction of operating costs, downtime and capital expenses as well as

Commercial contractors utilize alternative technology in today’s buildings It is estimated that HVAC systems account for approximately 40 percent of the energy used in commercial buildings, which is why many building owners and managers are looking for ways to cut these costs. One way to do that may be to utilize evaporative cooling systems, which can be relatively inexpensive to purchase and often require much less energy than other forms of cooling. Evaporative cooling technology is already becoming more integrated in data centers, thanks to revised design guidelines from ASHRAE, but coolers

The approach of summer is a good time to check the performance and, more importantly, the physical condition of your cooling towers. After all, it’s easier to repair a tower when weather conditions don’t put a strain on its cooling capacity. A cooling tower passes air over tiny droplets or the exposed surface of a water film. In both cases, a small amount of water is vaporized, drawing the latent heat from the remaining liquid water, reducing its temperature. Splash fill continuously breaks up droplets of water dropping down the tower; the fill is arranged so the droplets fall from one splash

At EVAPCO, we understand the importance for environmental protection and are committed to carrying out that belief. EVAPCO is proud to manufacture a wide range of environmentally sustainable products that serve both our clients and the earth. We’re helping to conserve water with our eco-Closed Circuit Coolers, eliminating the use chemicals in water treatment with our Pulse~Pure non-chemical water treatment system, reduce noise pollution with our Super Low Sound Fan and helping our customers conserve energy with our SUN Cooling Tower. Our industrial heat transfer equipment not only conserves

Now that spring has sprung, it's time to prepare for the cooling season to ensure you have optimum performance, reduced operating costs, no unscheduled equipment down time and no costly or aggravating emergency repairs. Check out these spring start-up tips: Prior to Turning on Fan and Pump Motors Ensure electrical power to the equipment has been disconnected. Check lubrication of fan motors, pump motors and bearings. Lubricate per manufacturer’s instructions. Check fan and pump motors for proper rotation. Check belt tension and adjust if necessary. Belts should deflect approximately 3/4” on