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The baffling element of the Omnibus spending bill passed by Congress in December 2015 was the lawmakers’ decision to extend residential and commercial tax credits for solar photovoltaics and big wind through 2021, while allowing similar incentives for ground source heat pumps and other “orphaned” technologies to die on the vine.

If a condenser coil is dirty or fouled, its ability to reject heat is severely affected.

We recently calculated that an energy-intensive manufacturer could achieve about 80 percent of its targeted energy savings just through HVAC optimization. To achieve results like that, though, facility managers must ensure the equipment operates efficiently at all times and in all situations.

This led to concerns that higher prices would cause customers to repair their systems, rather than replace them, and a second round of price increases from some OEMs later in the summer magnified that concern.

A one-paragraph, simple overview of the basic CHP approach reads like this: A building’s (or campus’) system uses fuel to make its own electricity, and then it applies the waste heat from that process toward its HVAC needs.

It is difficult to imagine a city running out of water, but it’s no longer impossible. Water conservation is getting more important in the U.S., and HVAC systems on a large scale represent a chance to make an impact (or not).

That landmark in geothermal history was eventually followed by the Commonwealth Building in Portland, Oregon, which became the first commercial building in the U.S. to employ a geothermal system for heating and cooling.

Amid icebreakers, sponsor booths, and roundtables, attendees listened to five primary speakers who each addressed a specific aspect of women in the business world.

The cooler trainers are the latest addition to the college’s HVACR lab, built entirely by students over the last few years as part of COD’s Central Plant Project, located at its Glen Ellyn, Illinois, campus.