Section 5-3 Conserving Energy 127
Department of Energy, appear on gas and electric appliances. They
display each model’s yearly energy use on a scale showing comparisons
to the least-effi cient and most-effi cient models. Labels for refrigerators,
refrigerator-freezers, freezers, dishwashers, water heaters, and clothes
washers also show the average yearly bill for
running the appliance. See 5-10.
Another label to look for is the Energy
Star label, developed by the EPA. See 5-11.
This label appears in 40 product categories
on only the most energy-effi cient models.
Besides appliances, the label appears on home
electronics, offi ce equipment, fl uorescent
lighting, windows, and even new homes.
When products save energy, they deliver
environmental benefi ts as well.
Reading
Review
1. List four renewable energy sources.
2. What is preventing some renewable energy sources from being used
more widely as fossil fuel replacements?
3. Name fi ve ways you can help conserve energy in your home.
R R R
1 1 Li t f
5-11
Energy Star labels identify
the appliances and other
consumer products that
use the least energy.
5-10
EnergyGuide labels help
you compare the operating
costs and energy use of
appliances.