See Tune® Results

In 2016, Wheeling Jesuit University College of Engineering utilized the Tune® Filter (originally named T7 EMI Facility Filter) for their EGR481 Capstone Engineering Project for their senior students.
Upon taking office, mayor Rodger Lingerfelt sought ways to deliver savings to the citizens of Rainsville, AL. In September of 2017, he initiated an LED lighting retrofit and Tune® filter installations in many of the city’s facilities.