Market One was, previously a manufacturing and office space for the Advance Rumely Thresher Company, was acquired by Blackbird Investments. The original building was located in an industrial area of downtown Des Moines that the city and company hoped to assist in revitalizing with the renovation of Market One. The commercial building was completed in 2015 and acheived LEED Platinum in 2017. 

Designers and builders working on the Market One project needed to take into consideration the historic site they were rehabilitating. Keeping the historic character of the building, including original brick and windows, was important but also created a significant energy efficiency challenge. Ultimately, a combination of design techniques and new energy efficient technology was able to significantly reduce the energy needed for building operation with having to sacrifice the historic building's character or the occupants' comfort.

Being the first reinvestment in the Des Moines Market District, Market One helped set the stage for responsible and sustainable development in the area. Subsequent investment projects within the Market District have been proposed, all following the lead of Market One. 

  • LEED Platinum
  • Energy Star score of 94
  • First major reinvestment in Des Moines' Market District
  • Renovation of 1901 structure originally Advance Rumely Company
  • Preservation of historic character throughout the building
  • Air cooled Variable Refrigerant Flow (VRF) system
  • Four-stage energy recovery ventilator (ERV) working with 18 geothermal wells 220 kW/hour
  • 100% LED lighting
  • PV solar arrays located on rooftop and solar canopy in adjacent parking lot provide 
  • Planted green roof
  • Native and climate-appropriate plantings
  • 39% potable water reduction from low-flow fixtures
  • All electric water heaters
Project Summary


Project Team

Architect: Neumann Monson
MEP Engineer: MODUS
Contractors: Beal Derkenne Construction

Landscape: Genus Landscape Architects

Structural: Raker Rhodes Engineering

LEED Consultant: C-Wise Design and Consulting


Market One

Market One is a 50,000 square-foot commercial space in downtown Des Moines, Iowa. The building originated as manufacturing and office space for the Advance Rumely Thresher Company in 1901 and renovation presented significant challenges between the need to balance LEED concepts and historical building standards maintained by the National Parks Service. The building was built to be net-zero, with energy efficiency, solar energy, and geothermal wells. Construction on Market One was complete in 2014 and was awarded LEED Platinum certification in 2017. It is now home to multiple commercial office spaces for tenants, including MODUS. 


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