|Energy Effecient Water Heating
You can lower your water heating costs by using and wasting less hot water in your home. To conserve hot water, you can fix leaks, install low-
flow fixtures, and purchase an energy-efficient dishwasher and clothes washer.
second can cost $1 per month.
If your water heater's tank leaks, you need a new water heater.
pounds per square inch (psi). New faucet flow rates can't exceed 2.5 gpm at 80 psi or 2.2 gpm at 60 psi. You can purchase some quality, low-
flow fixtures for around $10 to $20 a piece and achieve water savings of 25%–60%.
aerating and laminar-flow. Aerating showerheads mix air with water, forming a misty spray. Laminar-flow showerheads form individual streams
of water. If you live in a humid climate, you might want to use a laminar-flow showerhead because it won't create as much steam and moisture as
an aerating one.
Before 1992, some showerheads had flow rates of 5.5 gpm. Therefore, if you have fixtures that pre-date 1992, you might want to replace them if
you're not sure of their flow rates. Here's a quick test to determine whether you should replace a showerhead:
Place a bucket -- marked in gallon increments -- under your shower head.
Turn on the shower at the normal water pressure you use.
Time how many seconds it takes to fill the bucket to the 1-gallon (3.8 liter) mark.
If it takes less than 20 seconds to reach the 1-gallon mark, you could benefit from a low-flow shower head.
equipped with aerators that restrict flow rates to 2.2 gpm, while new bathroom faucets have ones that restrict flow rates from 1.5 to 0.5 gpm.
Aerators are inexpensive to replace and they can be one of the most cost-effective water conservation measures. For maximum water
efficiency, purchase aerators that have flow rates of no more than 1.0 gpm. Some aerators even come with shut-off valves that allow you to stop
the flow of water without affecting the temperature. When replacing an aerator, bring the one you're replacing to the store with you to ensure a
you purchase and use an energy-efficient dishwasher and clothes washer.
expensive than operating an energy-efficient dishwasher. You can consume less energy with an energy-efficient dishwasher when properly used
and when only operating it with full loads.
When purchasing a new dishwasher, check the EnergyGuide label to see how much energy it uses. Dishwashers fall into one of two categories:
compact capacity and standard capacity. Although compact-capacity dishwashers may appear to be more energy efficient on the EnergyGuide
Label, they hold fewer dishes, which may force you to use it more frequently. In this case, your energy costs could be higher than with a standard-
One feature that makes a dishwasher more energy efficient is a booster heater. A booster heater increases the temperature of the water
entering the dishwasher to the 140ºF recommended for cleaning. Some dishwashers have built-in boosters, while others require manual
selection before the wash cycle begins. Some also only activate the booster during the heavy-duty cycle. Dishwashers with booster heaters
typically cost more, but they pay for themselves with energy savings in about 1 year if you also lower the water temperature on your water heater.
Another dishwasher feature that reduces hot water use is the availability of cycle selections. Shorter cycles require less water, thereby reducing
If you want to ensure that your new dishwasher is energy efficient, purchase one with an ENERGY STAR® label.
use either cold or warm water for most laundry loads. Cold water is always sufficient for rinsing.
Inefficient clothes washers can cost three times as much to operate than energy-efficient ones. Select a new machine that allows you to adjust
the water temperature and levels for different loads. Efficient clothes washers spin-dry your clothes more effectively too, saving energy when
drying as well. Also, front-loading machines use less water and, consequently, less energy than top loaders.
Small-capacity clothes washers often have better EnergyGuide label ratings. However, a reduced capacity might increase the number of loads
you need to run, which could increase your energy costs.
If you want to ensure that your new clothes washer is energy efficient, purchase one with an ENERGY STAR label.
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