Iowa Lakes Community College Sustainable Energy, Resources & Technology (SERT) Building

Estherville, IA



  • New $4.3 million, 42,000 sf building designed to use 25 percent less energy than code
  • Several areas are served by geothermal high efficiency variable frequency drive heat pumps with a 60-bore geothermal borefield
  • Two rooftop HVAC units have solar and panels help reduce energy requirements during unit operation
  • Ventilation air pretreated by energy recovery unit
  • In-floor hot water radiant heat
  • High efficiency water heaters
  • Low-flow plumbing
  • Occupancy sensors throughout
  • Integrated time clock management system schedules on/off times
  • 70-ton wind turbine serves as teaching tool, and the mechanical room is behind glass for students to see