ASHRAE Journal - August 2012 - 55
2012 Technology Award Case Studies
Annual Guaranteed Energy Savings 5,973,935 kWh 7,908 kW 143,648 therms 1,978,114 gallons
Electrical Energy (kWh) Actual Energy Savings Deviation from Guaranteed Savings 34,878,186 1,236,097 Energy Savings Guaranteed Savings Actual Savings $2,771,516 $3,221,309
Electrical Demand (kW) 50,066 5,815 Operational and Cost Avoidance $132,615 $132,615
Gas (therms) 744,905 (55,172) Total
Water (gallons) 12,363,214 – Energy Savings Deviation
$2,904,131 $3,353,924 $91,418
Table 1: Energy savings audit.
7. Non-AHU Enhancements • T8 lighting was installed in all non-exhibition areas; and • Low-flow water fixtures.
Maintenance and Operation Changes
The improvements cut back on maintenance activities. Steam system removal and water conservation measures reduced plumbing fixture maintenance and repairs. The direct-drive, variable primary chiller system eliminated gears and shaft seals; and the system now has fewer bearings to monitor and replace. It also eliminated the secondary system pumps. One of the biggest time savers for system maintenance came from switching the pneumatic controls to DDC. Maintenance of air compressors and refrigerated air driers was eliminated. In addition, chart recorders, data loggers and the need for regular calibration was discontinued.
common requirements of art lending institutions and individuals. “Without the upgrades, many traveling exhibits, including the American Chronicles: The Art of Norman Rockwell and Rembrandt, could not come to the state capital,” says Larry Wheeler, director for the North Carolina Museum of Art. “This tightly controlled museum environment is now protecting priceless collections for generations to come.”
Additional Benefits
The system efficiency upgrades not only improved the energy performance and indoor air quality, it also allowed the museum to move from a large service electric tariff (more than 1 MW) to a small service tariff (less than 1 MW). Moving to the new electric tariff also saved the museum more than $30,000 per year. Additional savings include: • Significantly reduced summer reheat loads; • 58% fewer Btus as compared to the original baseline; • Annual CO2 emissions avoidance averaging is 9 million lbs (4 million kg); and • Energy savings to date (Table 1). Actual 2008 through 2011 utility metered data used the same utility meters for the baseline consumption. Financial savings to date, including operational cost avoidance, exceed $3.3 million. This is in excess of the guarantee by nearly $450,000. On average, energy savings are exceeding the guarantee by more than $18,000 annually. The museum now meets the strict “AA” ASHRAE indoor environment classification requirements and even meets the oftentimes more stringent and increasingly
August 2012
www.info.hotims.com/41642-35
ASHRAE Journal
55
ASHRAE Journal - August 2012
Table of Contents for the Digital Edition of ASHRAE Journal - August 2012
ASHRAE Journal - August 2012
Contents
Commentary
Industry News
Letters
Meetings and Shows
Feature Articles
2012– 13 Presidential Address: Broadening ASHRAE’s Horizons
Improving Energy Performance of NYC’s Existing Office Buildings
How 90.1-2010 Will Affect Health-Care Facilities
Technology Award Case Studies:
Ventilation for Museum
Sustainability at the Y
Standing Columns
Building Sciences
Special Section
InfoCenter
Emerging Technologies
Products
Refrigeration Applications
IAQ Applications
Washington Report
Special Products
Classified Advertising
Advertisers Index
ASHRAE Journal - August 2012 - ASHRAE Journal - August 2012
ASHRAE Journal - August 2012 - Cover2
ASHRAE Journal - August 2012 - 1
ASHRAE Journal - August 2012 - 2
ASHRAE Journal - August 2012 - Contents
ASHRAE Journal - August 2012 - Commentary
ASHRAE Journal - August 2012 - 5
ASHRAE Journal - August 2012 - Industry News
ASHRAE Journal - August 2012 - 7
ASHRAE Journal - August 2012 - Letters
ASHRAE Journal - August 2012 - 9
ASHRAE Journal - August 2012 - 10
ASHRAE Journal - August 2012 - 11
ASHRAE Journal - August 2012 - 12
ASHRAE Journal - August 2012 - 13
ASHRAE Journal - August 2012 - Meetings and Shows
ASHRAE Journal - August 2012 - 15
ASHRAE Journal - August 2012 - 2012– 13 Presidential Address: Broadening ASHRAE’s Horizons
ASHRAE Journal - August 2012 - 17
ASHRAE Journal - August 2012 - 18
ASHRAE Journal - August 2012 - 19
ASHRAE Journal - August 2012 - 20
ASHRAE Journal - August 2012 - 21
ASHRAE Journal - August 2012 - 22
ASHRAE Journal - August 2012 - 23
ASHRAE Journal - August 2012 - 24
ASHRAE Journal - August 2012 - 25
ASHRAE Journal - August 2012 - 26
ASHRAE Journal - August 2012 - 27
ASHRAE Journal - August 2012 - Improving Energy Performance of NYC’s Existing Office Buildings
ASHRAE Journal - August 2012 - 29
ASHRAE Journal - August 2012 - 30
ASHRAE Journal - August 2012 - 31
ASHRAE Journal - August 2012 - 32
ASHRAE Journal - August 2012 - 33
ASHRAE Journal - August 2012 - 34
ASHRAE Journal - August 2012 - 35
ASHRAE Journal - August 2012 - 36
ASHRAE Journal - August 2012 - 37
ASHRAE Journal - August 2012 - 38
ASHRAE Journal - August 2012 - 39
ASHRAE Journal - August 2012 - How 90.1-2010 Will Affect Health-Care Facilities
ASHRAE Journal - August 2012 - 41
ASHRAE Journal - August 2012 - 42
ASHRAE Journal - August 2012 - 43
ASHRAE Journal - August 2012 - 44
ASHRAE Journal - August 2012 - 45
ASHRAE Journal - August 2012 - 46
ASHRAE Journal - August 2012 - 47
ASHRAE Journal - August 2012 - 48
ASHRAE Journal - August 2012 - 49
ASHRAE Journal - August 2012 - 50
ASHRAE Journal - August 2012 - 51
ASHRAE Journal - August 2012 - Ventilation for Museum
ASHRAE Journal - August 2012 - 53
ASHRAE Journal - August 2012 - 54
ASHRAE Journal - August 2012 - 55
ASHRAE Journal - August 2012 - Sustainability at the Y
ASHRAE Journal - August 2012 - 57
ASHRAE Journal - August 2012 - 58
ASHRAE Journal - August 2012 - 59
ASHRAE Journal - August 2012 - 60
ASHRAE Journal - August 2012 - 61
ASHRAE Journal - August 2012 - Building Sciences
ASHRAE Journal - August 2012 - 63
ASHRAE Journal - August 2012 - 64
ASHRAE Journal - August 2012 - 65
ASHRAE Journal - August 2012 - 66
ASHRAE Journal - August 2012 - 67
ASHRAE Journal - August 2012 - InfoCenter
ASHRAE Journal - August 2012 - 69
ASHRAE Journal - August 2012 - 70
ASHRAE Journal - August 2012 - 71
ASHRAE Journal - August 2012 - 72
ASHRAE Journal - August 2012 - 73
ASHRAE Journal - August 2012 - 74
ASHRAE Journal - August 2012 - 75
ASHRAE Journal - August 2012 - Emerging Technologies
ASHRAE Journal - August 2012 - 77
ASHRAE Journal - August 2012 - 78
ASHRAE Journal - August 2012 - 79
ASHRAE Journal - August 2012 - Products
ASHRAE Journal - August 2012 - 81
ASHRAE Journal - August 2012 - Refrigeration Applications
ASHRAE Journal - August 2012 - 83
ASHRAE Journal - August 2012 - IAQ Applications
ASHRAE Journal - August 2012 - 85
ASHRAE Journal - August 2012 - 86
ASHRAE Journal - August 2012 - 87
ASHRAE Journal - August 2012 - Washington Report
ASHRAE Journal - August 2012 - 89
ASHRAE Journal - August 2012 - Special Products
ASHRAE Journal - August 2012 - 91
ASHRAE Journal - August 2012 - 92
ASHRAE Journal - August 2012 - 93
ASHRAE Journal - August 2012 - 94
ASHRAE Journal - August 2012 - Classified Advertising
ASHRAE Journal - August 2012 - Advertisers Index
ASHRAE Journal - August 2012 - Cover3
ASHRAE Journal - August 2012 - Cover4
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_MCDEBX
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_WNYSQY
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_XATVOD
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_FJSHSS
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_CCBZDS
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_XDEFVG
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2023november_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2023november
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_VHGNBL
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_WPKBNJ
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_UUVCDE
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_RTGDEW
https://www.nxtbook.com/nxtbooks/ashrae/ashraemexico_2023
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_LKRFXS
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_AZSOFG
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_ERCDBH
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_QWDFRV
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_JHGVDF
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_OPUYHG
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_SREIBM
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_LRTGLK
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_OKRFGH
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2022november_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2022november
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_TZSERA
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_LVRUIX
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_RPTVYZ
https://www.nxtbook.com/nxtbooks/ashrae/mini_pub_catalog
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_XIYTGD
https://www.nxtbook.com/nxtbooks/ashrae/ashraemexico_2022
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_RFGDOB
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_PABXNU
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_REMKLS
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_PICVBT
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_AOYTVW
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_JQOPLS
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_IOYTBC
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_SGAJJF
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_IGHYER
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_PDRKLS
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2021november
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2021november_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_XCODFR
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_QSLFGO
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_ILKVNM
https://www.nxtbook.com/nxtbooks/ashrae/ashraemexico_2021
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_OPDJKD
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_VJKSRY
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_SDHUTC
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_JPPKRR
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_SDLTTH
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_CKLLES
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_SLDOX
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_HJETUK
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_OLUHGE
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2020october
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2020october_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_ZERDGH
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_QVMNEO
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_RTPOKE
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_BBATRE
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_STUBMW
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_TPEMPE
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_JNMKDS
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_FBTTPA
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_WQMMNE
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_TVBRYN
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_showguide2020
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_KTUZMA
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_ABEDGD
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201910
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201909
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2019septmeber_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2019september
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201908
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201907
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201906
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201905
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201904
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_2019april
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201903
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_2019march
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201902
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201901
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_showguide2019
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_2018december
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_2018november
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2018fall_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2018fall
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_2018october
https://www.nxtbook.com/nxtbooks/ashrae/ashraemexico_2018
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201810
https://www.nxtbook.com/nxtbooks/ashrae/ashraeinsights_201806
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201805
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201804
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201803
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201712
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201711
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201710
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2017fall_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2017fall
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201709
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201705
https://www.nxtbook.com/nxtbooks/ashrae/ashrae_meetinginsert_201610
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2016fall_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2016fall
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_acrexindia
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2015summer_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2015summer
https://www.nxtbook.com/nxtbooks/amca/2014summer2
https://www.nxtbook.com/nxtbooks/amca/2014summer
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_acma_2014summer
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201311
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201309
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_acmasupp_2013fall
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201305
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201303
https://www.nxtbook.com/nxtbooks/ashrae/pubcatalog_2013winter
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201211
https://www.nxtbook.com/nxtbooks/ashrae/achr_expo_mexico2012
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201209
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201208_v3
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201208_v2
https://www.nxtbook.com/nxtbooks/ashrae/pubcatalog_2012summer
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201205
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201203
https://www.nxtbook.com/nxtbooks/ashrae/pubcatalog_2012winter
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201111_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201109_v2
https://www.nxtbook.com/nxtbooks/ashrae/pubcatalog_2011summer
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201105
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201103
https://www.nxtbookmedia.com