ISU Facilities

Building Energy Plans

MacKay Hall

Year Constructed: 1911 / 1926

86,386 Gross Square Feet

# Exemptions Summer Winter
1 Rm 1 - Department Classroom (AHU1, FCU1) Schedule varies for academic year vs. summer  Schedule varies for academic year vs. summer 
2 Rm 23, 23A - Tearoom (UV2, UV3) 24/7 @ 72 degrees  24/7 @ 72 degrees 
3 Rm 201, 206, 207, 210 - Teaching Labs with heat load (AHU7) 72 degrees for Academic Year  none 
4 Rm 30A thru 30E, 31, 31A - extended staff occupancy times (AHU3 and locally controlled fan coil units) Mon-Fri 7am-10pm, Sat/Sun 10am-4pm, Holidays off  Mon-Fri 7am-6pm, Sat/Sun 10am-4pm, Holidays off 
5 (AHU7) Room 207 Run 24/7  Run 24/7 


Unit Service Area Cool Heat System Type Summer Hours Winter Hours
AHU1 Ground, 1st, 2nd, 3rd Floor - West  Yes  Yes  Mixed Air HVAC System  
Mon=6am-6pm
Tue=6am-6pm
Wed=6am-6pm
Thu=6am-6pm
Fri=6am-5pm
Off=Sat
Off=Sun
Off=Holidays 

Run = 7am - 6pm, Mon
Run = 7am - 6pm, Tue
Run = 7am - 6pm, Wed
Run = 7am - 6pm, Thu
Run = 7am - 6pm, Fri
Off = Sat
Off = Sun
Off = Holidays 
FCU1 Ground and 1st Floor - must run with AHU1  Yes  Yes  Mixed Air HVAC System   Academic Year Schedule
same as AH-1
 
Academic Year Schedule
same as AH-1
 
AHU2 Auditorium  Yes  Yes  Mixed Air HVAC System   Room Scheduling  Room Scheduling 
AHU3 Ground and 3rd Floor, Room 30A, 30E, 31, 31A - East  Yes  Yes  Mixed Air HVAC System   Run = 7am-10pm, Mon
Run = 7am-10pm, Tue
Run = 7am-10pm, Wed
Run = 7am-10pm, Thu
Run = 7am-10pm, Fri
Run = 10am -4pm, Sat
Run = 10am -4pm, Sun
Off = Holidays
 
Run = 7am-6pm, Mon
Run = 7am-6pm, Tue
Run = 7am-9pm, Wed
Run = 7am-6pm, Thu
Run = 7am-6pm, Fri
Run = 10am -4pm, Sat
Run = 10am -4pm, Sun
Off = Holidays
 
AHU4 Tea Room  Yes  Yes  Mixed Air HVAC System   Run = 24/7  Run = 24/7 
AHU7 2nd Floor - West  Yes  Yes  Mixed Air HVAC System   Run = 24/7  Run = 24/7 
UV2 Room 221 West Lab  Yes  Yes  Mixed Air HVAC System   Run = 24/7
 
Run = 24/7
 
UV3 Room 221 East Lab  Yes  Yes  Mixed Air HVAC System   Run = 24/7
 
Run = 24/7 
LIT1 EAST CORRIDOR , GROUND FLOOR, INTERIOR LIGHTING.      Lighting Control   Run = 24/7  Run = 24/7 


Unit Service Area Control Strategies
AHU1  Ground, 1st, 2nd, 3rd Floor - West  Local thermostat set at 70 degrees in winter and 76 degrees in summer. During "off" periods there will be an 80-degree upper limt and a 65-degree lower limit.
FCU1  Ground and 1st Floor - must run with AHU1  Schedule follows schedule of AHU1. Local thermostat set at 70 degrees in winter and 76 degrees in summer. During "off" periods there will be an 80-degree upper limt and a 65-degree lower limit.
AHU2  Auditorium  Local thermostat set at 70 degrees in winter and 76 degrees in summer. During "off" periods there will be an 80-degree upper limt and a 65-degree lower limit.
AHU3  Ground and 3rd Floor, Room 30A, 30E, 31, 31A - East  Local thermostat set at 70 degrees in winter and 76 degrees in summer. During "off" periods there will be an 80-degree upper limt and a 65-degree lower limit.
AHU4  Tea Room  Occupant Controlled
AHU7  2nd Floor - West  Local thermostat set at 70 degrees in winter and 72 degrees in summer. During "off" periods there will be an 80-degree upper limt and a 65-degree lower limit.
UV2  Room 221 West Lab  Local thermostat set at 70 degrees in winter and 76 degrees in summer. During "off" periods there will be an 80-degree upper limt and a 65-degree lower limit.
UV3  Room 221 East Lab  Local thermostat set at 70 degrees in winter and 76 degrees in summer. During "off" periods there will be an 80-degree upper limt and a 65-degree lower limit.
LIT1  EAST CORRIDOR , GROUND FLOOR, INTERIOR LIGHTING.  Ground floor, East Corridor, interior lights


Date Ex Energy Conservation Action(s) Taken
3/27/2006   COMPLETED SPRING 06 BUILDING ENERGY CONSERVATION SETTINGS
7/14/2006   Completed MEA Holiday schedules and reviewed hours of operation
8/24/2006 AHU7 = Room 207 = complete
10/31/2006   Reviewed for winter settings
5/10/2007   Reviewed for summer settings.
5/22/2008   Reviewed for summer schedule.
9/22/2008   Reviewed for winter schedule.
5/13/2009   Reviewed for summer schedule.
10/9/2009   Reviewed for winter schedule.


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