How cool should you keep a home? The magic number for your thermostat is 78° F, according to Energy Star. The thermostat setting is ideal for optimal cooling and energy efficiency, the federal program concludes.
Energy Star also offer the following setting suggestions for your thermostat, as reported by Consumer Reports:
• 78° F when you’re at home
• 85° F when you’re away from home
• 82° F when you’re sleeping
Read more HERE.