Frank Carlson Federal Building and Courthouse

AARA High Performance Green Building

In October of 2010, a major, two-phase infrastructure upgrade was under-taken on the Frank Carlson Building and Courthouse. McElroy’s performed design, mechanical and electrical duties on the project.

Phase One included the replacement of four, large chilled water air-handling units located in the building’s penthouse, and the installation of new, variable air volume boxes throughout the building.

Phase Two, completed in-house by McElroy’s, included the design and installation of remaining variable air volume boxes, as well as a new solar water heating system to heat the domestic hot water in the facility. Ultra-violet lights were also installed in the air handling systems to reduce air born contaminants.

The benefits of the upgrade include increased occupant comfort and a more reliable system, plus reduced energy usage and lower facility operating costs. Work was completed around the clock over three-day holiday weekends, resulting in no downtime for occupants.

McElroy’s Services

  • Engineering
  • Hydronic piping
  • Air delivery systems
  • Solar water heating system
  • Domestic water piping

Additional Information


Topeka, Kansas


Federal Government


Piper-Wind Archetects

General Contractor

Boyd-Jones Construction

MEP Consultant

Tapanam Associates & McElroy's


10 months

Square Feet


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