Wiegmann Associates completes HVAC and building controls work for new Two Rivers Elementary School in St. Charles
ST. CHARLES, MO – Wiegmann Associates has completed work as the mechanical contractor for the new $38 million Two Rivers Elementary School in the Orchard Farm School District of St. Charles, Missouri. Wiegmann Associates served as the mechanical contractor for the project. The mechanical systems were designed to support occupant comfort, indoor air quality and operational reliability for students, teachers and staff throughout the facility.
Construction of the district’s third elementary school began in August 2024 and was completed in time for the 2026-27 school year.
Wiegmann installed the school’s HVAC and building automation systems in coordination with the project team. The project included a four-pipe hydronic HVAC system, rooftop air handling equipment, Variable Air Volume (VAV) boxes and integrated building controls designed to provide conditioned air and zoned temperature control throughout the school.
The system allows the school to simultaneously heat and cool to serve the needs of various spaces, including sun-facing classrooms and the gymnasium. The rooftop VAV system optimizes interior space and makes maintenance easier for the school facility staff.
“Projects like Two Rivers Elementary require extensive coordination between the owner, design team, general contractor and trade partners,” said Bryan Kenkel, Director of Construction & Field Operations for Wiegmann Associates. “We are proud to contribute to a facility that will serve students and the growing Orchard Farm community for years to come.”
Wiegmann Associates has delivered an extensive portfolio of educational projects across the St. Louis region, including projects for Orchard Farm School District’s Discovery Elementary School in St. Charles County.
Two Rivers Elementary School is funded by Prop E, a no-tax-rate-increase bond issue approved by voters to expand facilities to accommodate the County’s rapidly growing student population. The new school was designed for a capacity of 600 students in kindergarten through fourth grades. Hoener Associates was the project architect and LCS was the general contractor.
ABOUT WIEGMANN ASSOCIATES
Wiegmann Associates is a St. Louis-based mechanical contractor and a national leader in design/build HVAC projects. Since 1995, Wiegmann Associates has engineered and installed innovative, energy-saving and cost-efficient HVAC solutions, refrigeration systems and automation controls for clients in a wide range of industries, including senior living, food and beverage distribution, warehouse, healthcare, commercial and industrial. Wiegmann also provides 24-hour preventative maintenance programs and service in the St. Louis region. Wiegmann is ranked among the top 50 specialty contractors in the Midwest by Engineering News-Record and one of the largest mechanical contractors by the St. Louis Business Journal. For more information, visit www.wiegmannassoc.com or call (636) 940-1056.
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