Page 47 - The Homeowner's Handbook 2017
P. 47

Exteriors / Roofing / Structure / Insulation / IAQ / Windows & Doors / Heating & Cooling / Lighting / Appliances / Plumbing / Finishes / Cabinets & Tops / Alternative Energy





                   cooktops, microwaves and range hoods can help reduce energy   WASHERS AND DRYERS
                   use while improving the quality of life around your home.  Advances in Conservation
                     Ranges. The kitchen range is a dual oven/cooktop, and is available   The average American family does more than 400 loads of laundry
                   in electric, natural gas and dual fuel. The benefit of a dual-fuel range   a year, so even modest energy and water savings can greatly impact
                   is that it has the benefits of gas burners on the cooktop, but offers   overall natural resource conservation. Reducing water while doing the
                   the stable temperatures of oven cooking with electricity. Cooktops   laundry has gotten easier in the past decade, thanks in large part to
                   are also available using electrical induction, which creates a magnetic   the advancement (and acceptance) of front-loading washing machines.
                   field that heats pans directly, unlike traditional electric resistance   While top-loading machines still have their place in the market,
                   coils, which use conduction to transfer heat.           front-loading units use up to one-third less water, reduce the wear
                     Microwaves. Often an afterthought when finishing a kitchen,   on clothes, and require less detergent. By using gravity to move the
                   microwaves can create a more energy-efficient and comfortable   clothes inside the drum instead of a spindle, front-loading washers
                   kitchen when used properly. Energy consumption can be reduced   also conserve electricity while providing more effective spin cycles.
                   by up to 80 percent when smaller portions are heated up in the   Two terms to be familiar with when evaluating washing machines
                   microwave instead of the oven. Also, using a microwave instead of   are modified energy factor (MEF) and water factor (WF). The higher
                   the oven will reduce the amount of heat generated in the kitchen.  the MEF, the more energy efficient the model. This rating takes into
                     Range Hoods. These are important in the kitchen for several   account not only the energy used during the course of cleaning the
                   reasons. First, the ventilation removes unwanted moisture, which could   clothes, but also the energy used to heat the water and run the dryer.
                   lead to mold issues in the home. It also exhausts heat, smoke and cooking   The WF rates the water efficiency of the unit based on its size. The
                   odors from the home. A quality hood also offers task lighting above the   lower the WF, the more water efficient the washer.
                   range, which will increase safety around hot burners.     Using the MEF and WF, along with an Energy Star label and the
                                                                           EnergyGuide label can help you determine which washer set will
                    What to Know                                           conserve resources yet still perform well.
                     ■ Induction ranges are more energy efficient than traditional
                     ■
                   ranges, but can only be used with ferrous (steel or iron) cookware.  What to Know
                     ■ Flat cooktops are not necessarily induction ranges.   ■ Dryers with moisture sensors can greatly reduce energy use.
                     ■                                                       ■
                     ■ Most flat-surfaced cooktops simply use electric resistance heaters   ■ Most HE (high efficiency) washers use special low-sudsing
                     ■                                                       ■
                   under a ceramic cover.                                  detergent.
                     ■ There is no Energy Star label for residential ovens, ranges or   ■ Energy Star specifications for clothes dryers took effect on
                     ■                                                       ■
                   microwave ovens at this time.                           January 1st of this year. GB


                                  Save Big with Condensation Clothes Dryers



                                  LOTHES DRYERS ARE RESPONSIBLE for        How do condensation dryers work?
                                  6 percent of a home’s total energy usage,
                                  according to the Consumer Energy Center.   1. Ambient (cool) air
                                  This is partly because they use temperature-  enters the dryer.
                       C controlled air from inside a home, and then       2. Ambient air enters
                       pump it out. In the winter, a home furnace must make up   heat exchanger
                       for the warm air lost. In the summer, air cooled by an air   and is heated.
                       conditioner is used and re-heated in the dryer.     3. Ambient air
                                                                           (warm and dry) exits
                       On the other hand, condensation clothes dryers work on a loop
                       system. Air is drawn into the loop, goes through the dryer system   heat exchanger.
                       and then is reused,instead of being pumped outside.   4. Process (heated)
                                                                           air enters drum to                                CREDIT: BOSCH
                       Though these units still carry a higher price tag, they do result in
                       significant energy and cost savings. Reviewed.com estimated LG’s   absorb moisture
                       model, Whirlpool Duet WED99HEDW, can save homeowners   and dry load.
                       50 percent on the cost of drying clothes. Bosch makes a   5. Process air (wet) enters heat exchangers,
                       few condensation clothes dryers, such as the 24” Compact   is cooled releasing moisture.
                       Condensation Dryer 800 Series. That unit consumes 311 kW per   6. Process air (dry) exits heat exchanger.
                       year, far less than the nearly 1,000 kW per year used by traditional   7. Process air enters heater and is heated up.
                       clothes dryers, according to the Department of Energy.  Drain. Water is collected and pumped into the drain.


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          9-61 GB 1017 HH.indd   45                                                                                            11/1/17   12:08 PM
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