Tag Archives: Division 23

Water-loop heat pumps and net-zero

December 11, 2015

Designing net-zero-energy buildings for new construction or renovation presents many challenges. It requires analyzing the unique energy use of the entire facility and then designing a system that can reduce the net-energy footprint without sacrificing functionality or comfort.

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Controlling mechanical system noise

December 10, 2015

A typical urban and suburban environment has numerous sources contributing to the exterior ambient noise. Among these are the environmental sounds from a building’s heating, ventilating, and air-conditioning equipment. How can design professionals help mitigate the distraction caused by HVAC?

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Taking HVAC performance beyond the baseline: Combining geothermal, DOAS, and chilled beams

December 9, 2015

As consulting engineers continually specify more sustainable HVAC technologies, they must ensure their designs comply with a variety of standards. Of course, when possible, it is even better to go far beyond those baseline requirements.

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Natural Ventilation: Bringing fresh air into commercial buildings

June 5, 2015

Until now, design professionals have had to rely on adding off-the-shelf actuators to standard windows to provide automated natural ventilation in a building. With this as the only available solution, there have been several problems.

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Prescription for Energy Savings: Reducing cost and consumption with upgraded cooling tower fans

May 11, 2015

The average hospital uses three times the energy of typical commercial buildings, and U.S. medical facilities spend $8.8 billion annually on energy. Between lighting, medical equipment, HVAC, and plumbing, energy consumption in medical facilities outpaces any other type of building.

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