December 1, 2009
Articles
At the close of our 81st year, HPAC Engineering and the entire HVAC industry breathe a sigh. Over the past two years, the country has been rocked by social,...
Engineers are under pressure like never before to generate mechanical designs that are energy-efficient and environmentally friendly. Of course, first...
Former Vice President Al Gore spoke to an audience of more than 28,000 during the U.S. Green Building Council's (USGBC's) eighth annual Greenbuild International...
A new retail tenant had no room for his own boiler, so he asked if he could tie into the building's utility steam service, which heated the apartments upstairs. The landlord insisted that the tenant provide a submeter and reimburse the landlord for steam use. ...
Split cooling and heat-pump systems Available in 7.5- to 20-ton capacities, York Predator commercial split cooling and heat-pump systems use R-410A refrigerant...
In commercial and institutional buildings, cooling systems are not exactly top of mind when it comes to conservation and the use of technologies. Yet...
Accounting for about 40 percent of energy consumption in the United States and contributing more carbon dioxide to the atmosphere than entire nations,...
Though vital to maintaining good indoor-air quality, outdoor air can be expensive to temper and, if not conditioned properly, cause humidity problems...
Employing moisture-management tactics in commercial-building wall-assembly design to increase thermal efficiency and minimize the potential for indoor-air-quality-...
Turbulent flow churns, spins, tumbles, and creates unexpected havoc in piping systems. If left unchecked, it can shorten the life of critical piping components,...
Three-speed circulators Available in cast-iron and stainless steel, SuperBruteXL three-speed wet-rotor circulators have a flow range of 0 to 65 gpm and...
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