Saving Cooling and Heating Energy


GreenFan® EFC+™ is the only HVAC measure to save energy for new construction

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  • EFC+™ provides high speed fan operation and variable fan-off time delays to deliver more heating or cooling energy to improve thermal comfort, increase off-cycle times, reduce operation, save energy, and prevent evaporator coil icing.
  • EFC+™ saves 15% on cooling and heating and EFC+™ workpaper documents 2.3 TRC.
  • EFC+™ attaches to high-voltage EC motor wires to control high speed operation on new units.
  • EFC+™ installation takes 10 to 15 minutes and checks HVAC and thermostat operation.
  • EFC+™ can be installed for free with incentives from California Utility Ratepayers.
  • EFC+™ provides high customer satisfaction for comfort and energy savings.
  • GreenFan® provides a 5-year warranty and EFC+™ lasts for the life of the HVAC equipment.