Setting Winter Thermostat at 68 Saves 3% Per Degree Lowered of Your Energy Bill according to Department of Energy posted by Ruth Paget
I looked up energy and money saving tips for winter from the Department of Energy on their website. Other readers might find useful information too:
https://doee.dc.gov/service/energy-tips-institutional-and-government-buildings
Posted by Ruth Paget, author Eating Soup with Chopsticks and Marrying France