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Case Study

Commercial & OfficeCoreFirst Bank & Trust

Headquarters Total Renovation

Topeka, KS 35,717 SQ FT

Completed: November 01, 2020

      Originally chartered in 1959, CoreFirst Bank & Trust had occupied its iconic Topeka headquarters building since the 1970s. When it came time for a total renovation, everything was stripped down to the walls. McElroy’s was the Design-Build firm for all mechanical, electrical and plumbing (MEP) systems.

      We replaced the entire mechanical plant, all plumbing and ductwork, and completely rewired the building. We installed three high-efficiency boilers, an air-cooled chiller, hydronic pumping systems and two variable-air-volume (VAV) air-handling units serving fan-powered boxes for zone control with hot-water reheat.

      McElroy’s designed, installed and programmed the Solidyne building automation system. For added employee/customer safety and peace of mind, we installed an in-duct Ultraviolet-C air purification system.


  • MEP Design-Build firm
  • Completely replaced plumbing, ducts and wiring
  • Total upgrade of mechanical plant
  • Three high-efficiency boilers
  • Air-cooled chiller
  • Two VAV air-handling units
  • Zone-control boxes, fan powered, hot-water reheat
  • Ultraviolet-C air purification
  • Installed/programmed Solidyne building automation
CoreFirst headquarters, fully renovated main lobby..
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