ASHRAE Journal - September 2012 - 63
2012 Technology Award Case Studies
The new HVAC system eliminated the excessive noise generated by the previous HVAC system, thereby producing a quiet learning-conducive environment. St. Clair County Community College uses the geoexchange central water-to-water heat pump system as a teaching tool for its students and displays the technology of the system on monitors and on the Web to show the college’s commitment to energy conservation and sustainability. MJ/m2), which equated to a 38% reduction in energy consumption. As the first college in Michigan to form a green initiatives program, the HVAC renovation project kick-started an onset of green initiatives at Saint Clair County Community College, including the establishment of a Green Team and associate degree programs in alternative energy, but also led to other efficiency programs in colleges and universities throughout Michigan.
Conclusion
Since the onset of its green initiatives program, SC4 has incorporated green roofs (the first community college to do so in Michigan); alternative transportation opportunities (including the use of electric cars by campus patrol officers); a 60% green retaining wall, which reduces water runoff, filters pollutants and adds natural vegetation to campus; sustainable parking lots with rain gardens and bioswales; associate degrees in alternative energy; an established green team made up of faculty, staff and students, with the goal of developing new environmental conservation ideas for campus. The SC4 North Building used one of the most energy-efficient systems available to the college: a ground source water-to-water central heat pump system with variable airflow energy recovery air-handling units, carbon dioxide sensors in every space for demand ventilation, variable flow hydronic pumping systems, and high efficient lighting and occupancy sensors for lighting control. The project was completed on a budget of approximately $4.5 million and was complete from start to finish over an accelerated construction schedule for use at the start of fall classes. The energy savings for the geoexchange central heat pump system based on actual metered reading in the first full year of use was 34,590 MBtus (36 494 MJ) in natural gas and a cost savings of $26,980. Due to the heat pumps providing both heating and cooling needs of the building the electrical usage increased, but was offset by the electrical savings of the new efficient lighting systems. The North Building’s total energy consumption prior to the HVAC renovation averaged 156,531 Btu/ft2 (9743 MJ/m2) per year and after the renovation was 101,337 Btu/ft2 (8061
September 2012
www.info.hotims.com/41643-39
ASHRAE Journal
63
ASHRAE Journal - September 2012
Table of Contents for the Digital Edition of ASHRAE Journal - September 2012
ASHRAE Journal - September 2012
Contents
Commentary
Industry News
Letters
Meetings and Shows
Feature Articles
Designing Air-Distribution Systems to Maximize Comfort
Long-Term Commercial GSHP Performance: Part 3: Loop Temperatures
Chilled Beams in Historic Building
Technology Award Case Studies:
GSHP for 1920s Building
Savings Funds Project
Solar Thermal Retrofit
Standing Columns
Engineer's Notebook
Guía Ferial AHR Expo-México
Indice
Mensajes de ASHRAE y AHRI
Listado alfabético de expositores
Plano de planta de la sala de exposiciones
La humedad en los edificios
Productos expuestos en AHR Expo-México
Lista de anunciantes
Emerging Technologies
Refrigeration Applications
Washington Report
Business & Management
Products
Classified Advertising
Advertisers Index
ASHRAE Journal - September 2012 - ASHRAE Journal - September 2012
ASHRAE Journal - September 2012 - Cover2
ASHRAE Journal - September 2012 - 1
ASHRAE Journal - September 2012 - 2
ASHRAE Journal - September 2012 - Contents
ASHRAE Journal - September 2012 - Commentary
ASHRAE Journal - September 2012 - 5
ASHRAE Journal - September 2012 - Industry News
ASHRAE Journal - September 2012 - 7
ASHRAE Journal - September 2012 - 8
ASHRAE Journal - September 2012 - 9
ASHRAE Journal - September 2012 - Letters
ASHRAE Journal - September 2012 - 11
ASHRAE Journal - September 2012 - 12
ASHRAE Journal - September 2012 - 13
ASHRAE Journal - September 2012 - 14
ASHRAE Journal - September 2012 - 15
ASHRAE Journal - September 2012 - 16
ASHRAE Journal - September 2012 - Meetings and Shows
ASHRAE Journal - September 2012 - 18
ASHRAE Journal - September 2012 - 19
ASHRAE Journal - September 2012 - Designing Air-Distribution Systems to Maximize Comfort
ASHRAE Journal - September 2012 - 21
ASHRAE Journal - September 2012 - 22
ASHRAE Journal - September 2012 - 23
ASHRAE Journal - September 2012 - 24
ASHRAE Journal - September 2012 - 25
ASHRAE Journal - September 2012 - 26
ASHRAE Journal - September 2012 - 27
ASHRAE Journal - September 2012 - Long-Term Commercial GSHP Performance: Part 3: Loop Temperatures
ASHRAE Journal - September 2012 - 29
ASHRAE Journal - September 2012 - 30
ASHRAE Journal - September 2012 - 31
ASHRAE Journal - September 2012 - 32
ASHRAE Journal - September 2012 - 33
ASHRAE Journal - September 2012 - 34
ASHRAE Journal - September 2012 - 35
ASHRAE Journal - September 2012 - 36
ASHRAE Journal - September 2012 - 37
ASHRAE Journal - September 2012 - 38
ASHRAE Journal - September 2012 - 39
ASHRAE Journal - September 2012 - 40
ASHRAE Journal - September 2012 - 41
ASHRAE Journal - September 2012 - 42
ASHRAE Journal - September 2012 - 43
ASHRAE Journal - September 2012 - 44
ASHRAE Journal - September 2012 - 45
ASHRAE Journal - September 2012 - Chilled Beams in Historic Building
ASHRAE Journal - September 2012 - 47
ASHRAE Journal - September 2012 - 48
ASHRAE Journal - September 2012 - 49
ASHRAE Journal - September 2012 - 50
ASHRAE Journal - September 2012 - 51
ASHRAE Journal - September 2012 - 52
ASHRAE Journal - September 2012 - 53
ASHRAE Journal - September 2012 - 54
ASHRAE Journal - September 2012 - 55
ASHRAE Journal - September 2012 - GSHP for 1920s Building
ASHRAE Journal - September 2012 - 57
ASHRAE Journal - September 2012 - 58
ASHRAE Journal - September 2012 - 59
ASHRAE Journal - September 2012 - 60
ASHRAE Journal - September 2012 - 61
ASHRAE Journal - September 2012 - 62
ASHRAE Journal - September 2012 - 63
ASHRAE Journal - September 2012 - Savings Funds Project
ASHRAE Journal - September 2012 - 65
ASHRAE Journal - September 2012 - 66
ASHRAE Journal - September 2012 - 67
ASHRAE Journal - September 2012 - 68
ASHRAE Journal - September 2012 - 69
ASHRAE Journal - September 2012 - 70
ASHRAE Journal - September 2012 - 71
ASHRAE Journal - September 2012 - Solar Thermal Retrofit
ASHRAE Journal - September 2012 - 73
ASHRAE Journal - September 2012 - 74
ASHRAE Journal - September 2012 - 75
ASHRAE Journal - September 2012 - 76
ASHRAE Journal - September 2012 - 77
ASHRAE Journal - September 2012 - Engineer's Notebook
ASHRAE Journal - September 2012 - 79
ASHRAE Journal - September 2012 - 80
ASHRAE Journal - September 2012 - Guía Ferial AHR Expo-México
ASHRAE Journal - September 2012 - S2
ASHRAE Journal - September 2012 - Indice
ASHRAE Journal - September 2012 - Mensajes de ASHRAE y AHRI
ASHRAE Journal - September 2012 - S5
ASHRAE Journal - September 2012 - Listado alfabético de expositores
ASHRAE Journal - September 2012 - S7
ASHRAE Journal - September 2012 - S8
ASHRAE Journal - September 2012 - S9
ASHRAE Journal - September 2012 - S10
ASHRAE Journal - September 2012 - S11
ASHRAE Journal - September 2012 - Plano de planta de la sala de exposiciones
ASHRAE Journal - September 2012 - S13
ASHRAE Journal - September 2012 - La humedad en los edificios
ASHRAE Journal - September 2012 - S15
ASHRAE Journal - September 2012 - S16
ASHRAE Journal - September 2012 - S17
ASHRAE Journal - September 2012 - S18
ASHRAE Journal - September 2012 - S19
ASHRAE Journal - September 2012 - Productos expuestos en AHR Expo-México
ASHRAE Journal - September 2012 - S21
ASHRAE Journal - September 2012 - S22
ASHRAE Journal - September 2012 - S23
ASHRAE Journal - September 2012 - S24
ASHRAE Journal - September 2012 - S25
ASHRAE Journal - September 2012 - S26
ASHRAE Journal - September 2012 - S27
ASHRAE Journal - September 2012 - S28
ASHRAE Journal - September 2012 - S29
ASHRAE Journal - September 2012 - Lista de anunciantes
ASHRAE Journal - September 2012 - S31
ASHRAE Journal - September 2012 - S32
ASHRAE Journal - September 2012 - Emerging Technologies
ASHRAE Journal - September 2012 - 82
ASHRAE Journal - September 2012 - 83
ASHRAE Journal - September 2012 - 84
ASHRAE Journal - September 2012 - 85
ASHRAE Journal - September 2012 - 86
ASHRAE Journal - September 2012 - 87
ASHRAE Journal - September 2012 - 88
ASHRAE Journal - September 2012 - 89
ASHRAE Journal - September 2012 - Refrigeration Applications
ASHRAE Journal - September 2012 - 91
ASHRAE Journal - September 2012 - 92
ASHRAE Journal - September 2012 - 93
ASHRAE Journal - September 2012 - Washington Report
ASHRAE Journal - September 2012 - 95
ASHRAE Journal - September 2012 - 96
ASHRAE Journal - September 2012 - 97
ASHRAE Journal - September 2012 - Business & Management
ASHRAE Journal - September 2012 - 99
ASHRAE Journal - September 2012 - Products
ASHRAE Journal - September 2012 - 101
ASHRAE Journal - September 2012 - 102
ASHRAE Journal - September 2012 - Classified Advertising
ASHRAE Journal - September 2012 - Advertisers Index
ASHRAE Journal - September 2012 - Cover3
ASHRAE Journal - September 2012 - Cover4
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