ISU Facilities

Building Energy Plans

Morrill Hall

Year Constructed: 1891

27,172 Gross Square Feet

3rd floor HVAC

2nd floor HVAC

1st floor HVAC

Basement HVAC

# Exemptions Summer Winter


Unit Service Area Cool Heat System Type Summer Hours Winter Hours
AH1 Basement and 1st Floor Museum Areas  Yes  Yes  Mixed Air HVAC System   Run 24/7  Run 24/7 
AH2 1st Floor Classroom, 2nd & 3rd floor Offices and Classrooms  Yes  Yes  Mixed Air HVAC System   Room Scheduling  Room scheduling 
EF1 Rest rooms      Exhaust Fan   Mon= 7:30 am-5:30 pm
Tue= 7:30 am-5:30 pm
Wed= 7:30 am-5:30 pm
Thu= 7:30 am-5:30 pm
Fri= 7:30 am-5:30 pm
Off = Sat
Off = Sun
Off = Holidays  
Mon= 7:30 am-5:30 pm
Tue= 7:30 am-5:30 pm
Wed= 7:30 am-5:30 pm
Thu= 7:30 am-5:30 pm
Fri= 7:30 am-5:30 pm
Off = Sat
Off = Sun
Off = Holidays  


Unit Service Area Control Strategies
AH2  1st Floor Classroom, 2nd & 3rd floor Offices and Classrooms  Thermostat set at 73-degrees all year. Room temperature will naturally fluctuate between 70 degrees and 76 degrees depending on outside air temperature and heat load in the area served. During “off” periods there will be an 80-degree upper limit and a 65-degree lower limit.
AH1  Basement and 1st Floor Museum Areas  24/7 at 70 F degrees


Date Ex Energy Conservation Action(s) Taken
5/1/2007   AH1 on commissioning: ON M-F at 7:00, OFF M-Fat 5:30 pm
7/26/2007   AH2 ON M-F at 6:00 for CELT hours of operation. requested by Bob Catus.
11/2/2007   Add HVAC Color coded diagrams (plats)
11/2/2007   Reviewed for winter schedule
5/22/2008   Reviewed for summer schedule.
5/13/2009   Reviewed for summer schedule.
10/9/2009   Reviewed for winter schedule;


Facilities Planning & Management
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