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Completed in 1928, Midtown Exchange in south Minneapolis served as a retail and distribution center for Sears, Roebuck and Co. until closing in 1994....More

Amid the current push to “go green” by building high-efficiency, environmentally sound, sustainable HVAC systems, heat pumps — particularly those that use the earth's geothermal energy to serve as a heat sink and source — are generating a lot of buzz. Ground-source heat-pump (GSHP) systems operate like every other HVAC system: They move energy from one place to another. Although that sounds simple, HVAC engineers and designers owe their livelihoods to the complexities....More

When the price of natural gas topped $10 per thousand cubic feet, SPS Technologies, manufacturer of engineered fasteners, fastening systems, metal components,...More

This article uses the American Society of Heating, Refrigerating and Air-Conditioning Engineers variable-air-volume (VAV) system as an example. This is...More

Times have changed and so have the buildings in which we live, work, and teach. They have become more energy-efficient because of better facades and more sophisticated HVAC, electrical, and automation systems. But what about the central plants that produce the heating and cooling delivered to these buildings? How have they evolved over the years? Are they serving us in an efficient, sustainable manner?...More

With the current national emphasis on renewable-energy systems, we find ourselves on the brink of great opportunity, yet frustrated by the constraints...More

The story has become increasingly common in the current economic climate: An organization must address its aging infrastructure and building equipment while trying to manage ever-tightening operating budgets....More

If your boiler/burner package is like the more than 200,000 commercial- and industrial-boiler packages currently in operation, it probably is more than 20 years old. It most likely is only 60- to 70-percent efficient, and large amounts of fuel and associated cash are wasted with every minute the equipment is operated....More

On Virginia Commonwealth University's campus in downtown Richmond, Va., the steam plant consists of three identical boilers, each capable of generating...More

Portsmouth Abbey School is home to Rhode Island's first and largest utility-scale wind turbine....More

ASHRAE The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) recently announced the publication of ANSI/ASHRAE Standard...More