ISU Facilities

Building Energy Plans

Parks Library

Year Constructed: 1925 / 1961 / 1969 / 1983

325,488 Gross Square Feet

# Exemptions Summer Winter
1 1st, 2nd, 3rd floor addition (AHU1, 2, 3, 4, 5, 6) 24/7 at 70 degrees  24/7 at 69 degrees 
2 Special collections, AHU7 24/7 at 70 degrees  24/7 at 68 degrees 
3 Room 117 (AHU9) (Not required supplemental air) off 24/7  off 24/7 
4 Room 005 Film Vault, DX Unit 24/7 at 65 degrees  24/7 at 65 degrees 
5 Room 441Preservation Lab 24/7 at 65 degrees  24/7 at 65 degrees 
6 Room 074 Computer servers 24/7 at 70 degrees  24/7 at 68 degrees 
7 Entire Building 24/7 at 70 degrees  24/7 at 68 degrees 


Unit Service Area Cool Heat System Type Summer Hours Winter Hours
AHU1 First Addition  Yes  Yes  Mixed Air HVAC System   24/7  24/7 
AHU2 First Addition  Yes  Yes  Mixed Air HVAC System   24/7  24/7 
AHU3 Second Addition  Yes  Yes  Mixed Air HVAC System   24/7  24/7 
AHU4 Second Addition  Yes  Yes  Mixed Air HVAC System   24/7  24/7 
AHU5 Third Addition - 3rd Floor  Yes  Yes  Mixed Air HVAC System   24/7  24/7 
AHU6 Third Addition - 2nd Floor  Yes  Yes  Mixed Air HVAC System   24/7  24/7 
AHU7 Special Collections  Yes  Yes  Mixed Air HVAC System   24/7  24/7 
AHU9 Old Copy Room  Yes  Yes  Mixed Air HVAC System   Off 24/7  Off 24/7 
DX Third Addition - Basement, Book Storage  Yes  Yes  DX Unit   local control  local control 


Unit Service Area Control Strategies
AHU1  First Addition  Summer = Local thermostats at 70 degrees Winter = Local thermostats at 68 degrees During “off” periods there will be an 83-degree upper limit and a 63-degree lower limit.
AHU2  First Addition  Summer = Local thermostats at 70 degrees Winter = Local thermostats at 68 degrees During “off” periods there will be an 83-degree upper limit and a 63-degree lower limit.
AHU3  Second Addition  Summer = Local thermostats at 70 degrees Winter = Local thermostats at 68 degrees During “off” periods there will be an 83-degree upper limit and a 63-degree lower limit.
AHU4  Second Addition  Summer = Local thermostats at 70 degrees Winter = Local thermostats at 68 degrees During “off” periods there will be an 83-degree upper limit and a 63-degree lower limit.
AHU5  Third Addition - 3rd Floor  Summer = Local thermostats at 70 degrees Winter = Local thermostats at 68 degrees During “off” periods there will be an 83-degree upper limit and a 63-degree lower limit.
AHU6  Third Addition - 2nd Floor  Summer = Local thermostats at 70 degrees Winter = Local thermostats at 68 degrees During “off” periods there will be an 83-degree upper limit and a 63-degree lower limit.
AHU7  Special Collections  Summer = Local thermostats at 70 degrees Winter = Local thermostats at 68 degrees
AHU9  Old Copy Room  Off During “off” periods there will be an 80-degree upper limit and a 65-degree lower limit.
DX  Third Addition - Basement, Book Storage  Summer = Local thermostats at 70 degrees Winter = Local thermostats at 68 degrees
Liebert  Third Addition  Occupant Controlled - not on Metasys


Date Ex Energy Conservation Action(s) Taken
5/17/2006 Entire Building
5/17/2006 Room 074 Computer servers = complete
5/17/2006 Room 441Preservation Lab = complete
5/17/2006 Dx Unit Room 005 Film Vault = complete
5/17/2006 AHU9 Room 117 (Not required supplemental air) = complete
5/17/2006 AHU7 = complete
5/17/2006 AHU1, 2, 3, 4, 5, 6 = complete
6/23/2006   COMPLETED SPRING 06 BUILDING ENERGY CONSERVATION SETTINGS
7/17/2006   Completed MEA Holiday schedules and reviewed hours of operation
10/31/2006   Reviewed for winter schedule
5/11/2007   Reviewed for summer schedule
9/22/2008   Reviewed for winter schedule.
5/14/2009   Reviewed for summer schedule.
10/9/2009   Reviewed for winter schedule;


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