Polypropylene Growing in Popularity for Chiller Engineers | Harford, MD

Polypropylene Piping By its very nature, the engineering and HVAC profession is based on the constant search for new and better ways of accomplishing a task; however, there also is a well-known human tendency to “do things the way we’ve always done them.” Engineers who design and specify chiller systems find themselves squarely in the center of these two worlds. Chiller system engineers may be well-versed on the latest advances in chiller and cooling tower technology but may be unaware of the best options for their customers when it comes to another critical element of the system — the piping….
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Subcooling and Superheat: Superheroes of System Charging | Carroll, MD

  Here’s a common scenario. You go on a service call, put your gauges on a condensing unit, and find that the suction pressure is low. What do you do? In too many cases, the answer is “add refrigerant.” But doesn’t it seem like a good idea to confirm that low refrigerant is the problem before you start adding refrigerant? That’s why checking superheat and subcooling is so important. Let’s go back to the beginning. You go on a service call and find low suction pressure. However, this time you consider the three main causes of low suction pressure, and check…
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Blocked! Texas Court Preliminary Halts Overtime Rules | Annapolis, MD

  In a dramatic last-minute development, a federal judge in Texas blocked the U.S. Department of Labor’s (DOL) overtime rule  handing an 11th hour victory to employers across the country. As our members are well aware, back in May, 2016 the DOL unveiled a package of revised regulations changing the compensation requirements for employees who can be treated as exempt from overtime pay, upping the minimum salary from $455 to $913 per week, which annualizes to $47,476 (up from $23,000 per year), and this rate would be then subsequently raised again every three years with the first hike scheduled for January…
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