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VARIABLE AIR VOLUME REHEAT vs ACTIVE CHILLED BEAMS AND DEDICATED OUTDOOR AIR SYSTEMS
VARIABLE AIR VOLUME REHEAT vs ACTIVE CHILLED BEAMS AND DEDICATED OUTDOOR AIR SYSTEMS
Several recent articles in the ASHRAE JOURNAL have claimed that dedicated outdoor air systems plus active chilled beams are superior to variable air volume reheat systems on energy efficiency, first cost and air quality. Isn't it a fact that a BTU may be more efficiency shipped around a building in a water pipe than in an air duct?
Other articles paint a different picture and have found that a well-designed VAV system with reheat (including duel maximum zone controls, supply air temperature reset, duct static pressure reset and carbon dioxide controls in high density spaces) is hard to beat.
Steve Taylor will present this Workshop # 8 program from the Seattle Annual ASHRAE meeting last June which explores both HVAC systems as they relate to first cost, thermal comfort, indoor air quality, energy use, floor to floor height, maintenance and flexibility.
Speaker: Steven T. Taylor, P.E.
Steve Taylor is the principal of Taylor Engineering, Alameda, CA. He is a registered mechanical engineer specializing in HVAC system design, control system design, indoor air quality engineering, computerized building energy analysis, and HVAC system commissioning. Mr. Taylor graduated from Stanford University with a BS in Physics and a MS in Mechanical Engineering and has over 30 years of commercial HVAC system design and construction experience. He was one of the primary authors of the HVAC sections of ASHRAE Standard 90.1-1989 and 1999 "Energy Conservation in New Non-residential Buildings" and California's Title 24 Energy Standards and Ventilation Standards. Other ASHRAE project and technical committees Mr. Taylor has participated in include Standard 62.1 Indoor Air Quality (chair), ASHRAE Standard 55 Thermal Comfort (member), Guideline 13 Specifying DDC (chair), Guideline 16 Economizer Dampers (chair), TC 1.4 Controls (chair), and TC 4.3 Ventilation (chair). He is past vice-chair of the USGBC LEED Indoor Environmental Quality Technical Advisory Group, a member of the CSU Mechanical Review Board, and a member of the IAPMO Mechanical Technical Committee administering the Uniform Mechanical Code.
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UbicaciónCharlie's Grill
1340 19th Hole Drive
Windsor, CA 95492
United States
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