Articles
Last month, the HVAC industry packed its collective bags, boarded planes, cars, and buses; and headed to Orange County, Fla. For those of us from up north,...
The Cost of Building Green The article The Cost-Effectiveness of Building (October 2009) examines available research on the cost of green buildings. Using...
It is no secret that R-22 refrigerant is going away. What members of the refrigeration and air-conditioning industry may not be aware of is that the U.S. Environmental Protection Agency's (EPA's) hydrochlorofluorocarbon- (HCFC-) allocation final rule, signed Dec. 7, 2009, further reduced R-22 supply by 150 million lb....
My colleagues and I had replaced a 20-ton, single-circuit condensing unit as part of a retrofit of a dual-duct variable-air-volume system. The cooling...
Jerry Yudelson, widely acknowledged as one of the nation's leading green-building and sustainability consultants, says green building will continue to...
Architecture and engineering (A/E) executives paint a grim employment picture in a survey by The Zweig Letter, an industry trade publication...
Construction employment grew in only four of 337 metropolitan areas in 2009, as spending on construction projects dropped by $100 billion in December to a six-year low of $903 billion, according to an analysis of federal figures released by The Associated General Contractors (AGC) of America....
AHRI Names CEO In what Air-Conditioning, Heating, and Refrigeration Institute (AHRI) Chairman Ray Hoglund called a natural progression, President Stephen...
The photograph of the Kennedy Space Center Visitor Complex featured on the cover of the January 2010 issue of HPAC Engineering was used courtesy of Orlando/Orange...
FEB. 25-26 The Commissioning Process for LEED Projects, Las Vegas, University of Wisconsin-Madison Department of Engineering, http://epdweb.engr.wisc.edu/Courses/Course.lasso?myCourseChoice=L125....
ASHRAE The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) recently announced the publication of ANSI/ASHRAE/USGBC/IES...
The top 500 ft of the earth stores heat from solar radiation. While the temperature of the top 30 of those feet changes with the seasons, below 30 ft,...
In 1929, construction of the 35,000-sq-ft Hotel Seville in Harrison, Ark., was completed. With a price tag, including furniture, of $170,000, a tremendous...
Damper-drives brochure An eight-page brochure from ABB covers damper-drive solutions for improved boiler control. The brochure features the company's...
Data-center cooling systems The Liebert CRV is a self-contained precision cooling system that installs within a row of data-center racks for efficient...
Makeup-air units Suitable for kitchens, corridor ventilation, and areas with contaminated air in which energy recovery is not permitted, Model MPX 100-percent...
An engineer is calculating the cooling load for each room to be served by a new rooftop unit. Solar and transmission heat gains through the windows, walls,...
In many large commercial buildings, central-station air handlers are used to maintain occupant comfort. Often, these units include return fans, which...
Convincing a client to incur the additional first cost of an energy study during systems implementation is as much about marketing as it is about technology....
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