Replace at least one light in my home with an ENERGY STAR qualified one. 
Change a light If every American home replaced just one light with an ENERGY STAR light, we would save about $700 million in annual energy costs while preventing 9 billion pounds of greenhouse gas emissions, equivalent to the emissions from about 800,000 cars.
Make my home heating and cooling system work better. I will:
Heating and Cooling If every American household serviced their heating and cooling systems and changed their air filters, inspected their ducts for leaks and programmed their thermostat for energy savings while they're away or asleep, we would save $14 billion in annual energy costs while preventing more than 160 billion pounds of greenhouse gases, equivalent to the emissions from 14 million cars.
Make sure my home is well sealed and insulated. I will:
Sealing and Insulation If every American household added insulation to their attic, we would save more than $1.5 billion in annual energy costs and prevent nearly 25 billion pounds of greenhouse gases, equivalent to the emissions from 2 million cars.
Choose ENERGY STAR qualified equipment for my home office. I plan to purchase a(n):
Home Office If every home office product purchased in America this year were ENERGY STAR qualified, we would save $75 million in annual energy costs while preventing 1 billion pounds of greenhouse gases, equivalent to emissions from 90,000 cars.
Enable my ENERGY STAR computer and monitor to sleep while I’m away.
Enable Sleep (power management) If each computer and monitor in American homes was to sleep when not in use, we would save more than $1 billion in annual energy costs while preventing 15 billion pounds of greenhouse gases, equivalent to emissions of more than 1 million cars.
Choose ENERGY STAR qualified home theater products. I plan to purchase a:
Home Theater If each TV, DVD, and home theatre system purchased in the U.S. this year were ENERGY STAR qualified, we would more than $240 million in annual energy costs, while preventing more than 3 billion pounds of greenhouse gases, equivalent to the emissions of 270,000 cars.
Choose ENERGY STAR qualified products for my kitchen and laundry. I plan to purchase a:
Appliances If every refrigerator, dishwasher and clothes washer purchased in America this year were ENERGY STAR qualified, we would save $640 million in annual energy costs while preventing 4.5 billion pounds of greenhouse gases, equivalent to the emissions of 385,000 cars.
Purchase ENERGY STAR holiday lights this holiday season:
Holiday lights If every decorative light string purchased in America this year were ENERGY STAR qualified, we would save $262 million in annual energy costs, while preventing 3.5 billion pounds of greenhouse gases, equivalent to the emissions of 296,000 cars.