Milwaukee Public Library

Milwaukee, WI

Exterior view, Milwaukee Central Public Library.


GBA designed an HVAC system upgrade for this venerable Wisconsin public institution, which holds more than 2.9 million volumes. All components of an existing air-handling unit were replaced, and VAV boxes were added in supply air ductwork to allow for the new AHU to operate as a variable air volume system.

Air-Handling Unit Replacement

  • GBA performed computer cooling and heating load calculations for areas served by AHU-5, factoring in any projected additions of computers, people, or other heat-producing equipment that would affect cooling requirements. We used the results of these calculations to determine sizing of the AHU and cooling and heating coil capacities.
  • The air-conditioning unit serving the third floor, AC-5, was also removed and replaced. Existing chilled water and steam and condensate service were extended to the new unit, and reheat steam and condensate piping were provided.
  • The project included new VAV boxes with associated steam reheat coils.

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