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arbcombo -- ARB Research Seminar: How Air Movement Makes Comfort Energy-Efficient
Posted: 25 Feb 2015 16:26:35
“How Air Movement Makes Comfort Energy-Efficient”. Edward Arens, Ph.D., and Hui Zhang, Ph.D. University of California, Berkeley Tuesday, March 24, 2015 1:00 pm, PDT (WEBCAST) Sierra Hearing Room, 2nd Floor, Cal/EPA Building 1001 I Street, Sacramento, California Air movement can cool a person indoors in a similar manner as lowering the temperature, but needs only a tiny fraction of the energy. New fans of 1-8 watts producing 0.6 to 1 m/s (1.5 to 2 mph) air movement near each of a building's occupants can offset a 6ºF (3K) increase in indoor air temperature, while actually improving the occupant's comfort and perceived air quality. Increasing the indoor temperature reduces a building's total HVAC (heating, ventilating, and air conditioning) energy about 5% per degree F, or 10% per degree C, and even more in climate zones where the indoor temperature allows natural ventilation or evaporative cooling systems to be used instead of compressor-based cooling. Across US climates, air movement permits year-round HVAC energy reductions averaging 1000 watts per occupant. The energy reductions possible from improved fan use exceeds that of many other current technological improvement to buildings. The opportunities for new design approaches and new fan products are considerable. For more go to the announcement at: http://www.arb.ca.gov/research/seminars/arens/arens.htm Main menu: http://www.arb.ca.gov/research/seminars/seminars.htm For “external” users please check the external webcast calendar at: http://www.calepa.ca.gov/broadcast/?bdo=1 For “internal” users please check the internal webcast calendar at: http://epanet.ca.gov/broadcast/?bdo=1 Please send your-e-mail for the Q&A participation to: coastalrm@calepa.ca.gov For more information on this seminar presentation please contact: Ash Lashgari, Ph.D. at (916) 323-1506 or klashgar@arb.ca.gov For more information on the ARB Research Seminar Series please contact: Peter Mathews at (916) 323-8711 or Peter.Mathews@arb.ca.gov To receive notices for upcoming Seminars please go to: http://www.arb.ca.gov/listserv/listserv.php and sign up for the seminars list serve. California is in a drought emergency. Visit www.SaveOurH2O.org for water conservation tips. You are receiving this single arbcombo email because you are a subscriber to or have made a public comment to one or more of the following lists: ab1173, ab32publichealth, aircleaners, cc, ceqa, chps, climatechampions, commref, compwood, energyaudits, indoor, localaction, sb375, seminars.