9.4 : High Performance Buildings




9.4.1 Case Study, The Adam Joseph Lewis Center for Environmental Studies, Oberlin College, Oberlin, Ohio
(Education)
Building Design
Floor Area: 13,600 SF Floors: 2 Footprint: 140 ft. x 45 ft. with attached 100-seat auditorium
3 Classrooms (1) 1 Conference Room 1 Adminstration Office
Auditorium, 100 seats 6 Small Offices Atrium
Wastewater Treatment Facility
Shell
Windows Material: Green Tint Triple Pane Argon Fill Insulating Glass
Grey Tint Double Pane Argon Fill Insulating Glass
Fenestration(square feet)
Window Wall (2) window/wall l Atrium, Triple Pane (3) Building, Double Pane
North 1,675 4,372 38% l U-Factor 0.34 U-Factor 0.46
South 2,553 4,498 58% l SHGC 0.26 SHGC 0.46
East 1,084 2,371 46% l
West 350 2,512 14% l
Overall 6,063 14,153 43% l
Wall/Roof
Main Material R-Value
Wall : Face Brink 19
Roof: Steel/Stone Ballast 30
HVAC
COP(4)
Offices/Classrooms: Individual GSHPs (5) 3.9-4.6
1 Large GSHP for ventilation 3.8
Atrium: Radiant Flooring Hydronic Heating System
Auditorium: 1 Standard Range Water Heat Pump 4.2
Lighting Power Densities (W/SF)
Offices: 0.88 Corridors/Others: 0.45 Total Building: 0.79
Classroom/Lecture Halls: 1.18 Atrium: 0.93
Energy/Power
PV System: 60 kW grid-tie roof system
Net Annual Energy Usage (thousand Btu/SF*year): 16.4
Note(s): 1) Two classrooms seat 36 and one seats 18. 2) Wall total area includes window area. 3) Atrium has only south, north, and east facing windows. 4) Coefficient of performance ranges due to various sizes; GSHPs have the greatest COP 5) GSHP is Ground water Source Heat Pump.









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Sources:

NREL, Energy Performance Evaluation of an Educational Facility: The Adam Joseph Lewis Center for Environmental Studies, Oberlin College, Oberlin, Ohio, November 2004, Table 4.1 p. 10 Table 4.2 p.12 and Table 6.5 p. 94

NREL, Lessons Learned from Case Studies of Six High-Performance Buildings, June 2006, p. 5 Table A-2 p. 130