McFarland, WI – Headquarters
4915 Farwell Street
McFarland, WI 53558
608-661-5555
608-838-7128 Fax
hdqtr@energyperformance.net
Toll Free: 888-207-1197
Minnetonka, MN
15447 Sussex Drive
Minnetonka, MN 55345
952-938-5938
608-838-7128
minnesotaoffice@energyperformance.net