These are some of the biggest energy hogs in households since practically everyone has them, and they're used all day long every day. (treehugger.com)
There have been significant advances in refrigerator technology over the past fifteen years, which means that old refrigerators are one of the biggest energy hogs in many U.S. homes. (energysage.com)
Were such a design concept to be commercialised it could improve the habitable quality of indoor spaces, whilst radically reducing the use of energy hogging artificial air conditioning systems. (treehugger.com)