Open a free account at myenergy.com
. The dashboard-like app links to your utility company accounts to track your household energy use, so you can identify and change behaviors that are costing you money. "You almost can't help but find simple ways to adjust your habits, by turning the thermostat down further at night, say, or using the quick-cycle setting on your dishwasher," says Asa Foss, LEED residential technical development director at the U.S. Green Building Council.The payoff:
The average user of the site—it's owned by the makers of the Nest thermostat, but you don't need to purchase one to use the site—saves over $100
on annual energy bills.