department of energy energy savers powerpoint: water heating 5 of 12
TRANSCRIPT
This 12 part PowerPoint series is taken directly from Energy Savers Booklet, Tips on Saving Energy & Money at Home, U.S. Department of Energy
Contents
1. Save Energy and Money Today 2. Your Home’s Energy Use 3. Insulation and Sealing Air Leaks 4. Heating and Cooling 5. Water Heating 6. Windows 7. Lighting 8. Appliances 9. Home Office and Home Electronics10. Driving and Car Maintenance11. Renewable Energy12. References
Water Heating
• This presentation will show you how easy it is to reduce your energy use at home.
• Easy, practical solutions include tips you can use, throughout your home—from the roof, walls, and insulation that enclose it to the appliances and lights inside.
Water Heating
Reduce energy demand
Cut amount of resources needed
Create less greenhouse gas emissions
Reduce utility bills
U.S. Energy Use for Home Water Heating
Space Heating
31%
Space Cooling
12%
Water Heating12%Lighting
11%
Appliances9%
Refrig-eration
8%
Other8%
Computers &Electronics
9%
Hot Water Usage
Activity Gallons per Use
Clothes washing 32
Showering 20
Bathing 20
Automatic dishwashing 12
Preparing food 5
Hand dishwashing 4
How to Cut the Water Bill
•Use less hot water•Turn down the thermostat on water heater•Insulate your water heater•Buy a new, more efficient model
Water Heating Tips
Water heater setting• Temperature = 120°F– Provides plenty of hot
water– Decreases risk of
scalding
Water Heating Tips
Insulate the first 6 feet of the hot and cold water pipes connected to the water heater
Water Heating Tips
• Install heat traps on the hot and cold pipes at the water heater to prevent heat loss
Water Heating Tips
It’s best to start shopping now for a new water heater if yours is more than 7 years old.
Long-Term Savings Tip
Look for the ENERGY STAR® label on these water heaters– High efficiency gas non-condensing– Gas condensing– Electric heat pump– Gas tankless– Solar
Long-Term Savings Tip
Consider installing a drain water waste heat recovery system.
Heat pump water heaters can be very cost-effective in some areas.
Solar Water Heaters
• Consider installing an ENERGY STAR® qualified solar water heater if you– Heat water with electricity– Have high electric rates– Have an unshaded, south-
facing location on your property
Solar Water Heaters
• Used in 1.5 million homes and businesses
• Good for the environment– During a 20-year period, one solar
water heater can avoid more than 50 tons of CO2 emissions
Long-Term Savings Tip
www.dsireusa.org
Rebates for buying a solar water heater
Tax credits for buying a solar water heater