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Victoria Luncheon: The Building Envelope IS the HVAC System
June 3, 2014 @ 12:00 pm - 1:30 pm
About the Presenter: Geoff McDonell, P.Eng., Integral Group
Geoff McDonell graduated from the University of Alberta in 1979
Geoff is a senior mechanical engineer and Principal of Integral Group, responsible for developing institutional and sustainable projects including complete mechanical design project management, design execution through to construction services, and site inspections. His background has provided a wide range of experience in design and construction, as well as project management, for a large number of institutional projects. Geoff specializes in very low energy semi-passive building systems including radiant cooling, displacement ventilation, and high performance building envelope design. He has been practicing as a consulting building services design engineer for over 32 years, and has been a LEED (Leadership in Energy and Environmental Design) Accredited Professional since 2000.
Geoff is also the author of a number of papers and articles covering radiant cooling systems, in-slab radiant systems, displacement ventilation systems and other sustainable building approaches. His paper “Applied Radiant Cooling and Displacement Ventilation” was selected as one of the 15 “Best of Austin” papers presented at the First Annual USGBC Green Building Conference in Austin , Texas in November 2002. An article covering “Underfloor and Displacement Ventilation” has been published in the July, 2003 issue of ASHRAE Journal. He also keeps in regular touch with the few other North American designers who are designing and building thermo-active slab systems and radiant cooling systems to maintain an informal information sharing network.
About the topic:
“The Building Envelope IS the HVAC System” – As a mechanical engineer, Geoff learned though a long and rocky road that the indoor comfort systems are directly related to the quality and design of the building envelope. The primary indoor thermal and environmental quality control system for all buildings is the building skin. Many times interior comfort issues are a direct result of a poorly designed and performing building envelope. This presentation will outline some common pitfalls and ways to avoid them without incurring premium costs, which can lead to large reductions in building HVAC system energy use and increased indoor comfort. An overview of window and glazing design issues along with opaque wall thermal performance issues will be presented, from a Building Services Engineers’ point of view.”