From the Illinois Energy NOW Newsletter, December, 2014
SEDAC annually offers these energy tips for building operators to encourage periodic maintenance that can improve energy efficiency and reduce costs:
Lighting and Supplemental Loads:
Follow a strategic lighting maintenance plan of scheduled group relamping and fixture cleaning
Measure and ensure proper light levels
Calibrate lighting controls
Building Envelope: Tighten the building to reduce air infiltration by locating and sealing all air leaks in the windows, doors, walls, and roofs.