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December 20, 2018 |
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Many marketed air treatment technologies produce ozone, by-products of ozone and/or other reactive oxygen species (ROS), which have recently come under scrutiny as a source of respiratory irritation and even lung damage.
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In Part I, which appeared in HPAC October 2018, the various considerations prior to undertaking a chiller conversion were discussed. What follows is a simple (or maybe not so simple) step-by-step procedure for actually converting a R-22 chiller.
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It is important the auxiliary boiler operates only when necessary and that heat produced by the auxiliary boiler flows directly to the load.
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Doing a few simple tasks will ensure that a condensing boiler is prepared for winter, as well as ensuring that it performs efficiently and reliably for many years to come.
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Motion sickness is poised to throw a wrench into the seemingly unstoppable rise of virtual reality, including its use among mechanical contractors.
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Date: January 12-16
Location: Georgia World Congress Center, Atlanta, GA
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Date: January 14-16, 2018
Location: Atlanta, GA
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Date: February 19 - 21, 2018
Location: Las Vegas, NV
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