Does turning the air conditioning off when you're not home actually save energy? Three engineers run the numbers
Letting a home warm while away and cooling later uses less energy than running air conditioning continuously, but depends on insulation, AC efficiency, and climate.
Unplugging these 7 common household devices greatly reduced my electricity bill
Unplugging a single device may not yield significant savings, but unplugging multiple devices can collectively save you almost $200 a year, depending on local rates.