Variable Frequency Drives

Variable Frequency Drive (VFD) installations are an energy-efficient option for businesses with HVAC systems in existing facilities. VFDs control the frequency or speed at which motors operate, resulting in energy savings. Applications covered in this program include: building exhaust fans, makeup air fans, HVAC return air fans, cooling tower fans, HVAC supply air fans, chilled and condensed water pumps.

Participation Instructions (PDF) 
Variable Frequency Drives 2010 Application Form (PDF)*

* Note: Customers may either print out and fill the form in manually or fill it out online.  If you choose the online option, you may not be able to save it to your computer. In order to be assured of saving the form you must print out a completed version.