Page 50 - November 2015 Green Builder Magazine
P. 50

The Homeowner’s Handbook SIXTH EDITION

    on clothes, and require less detergent. By using gravity to move the                                                                                                                                                                               Glossary of Terms
    clothes inside the drum instead of a spindle, front-loading washers
    also conserve electricity while providing more effective spin cycles.                                                                                                                                                                        Know the Lingo

    Two terms to be familiar with when evaluating washing machines

48  are modified energy factor (MEF) and water factor (WF). The higher                                                                                                                                                                           ■■ Modified Energy Factor (MEF): MEF is the

    the MEF, the more energy efficient the model. This rating takes into                                                                                                                                                                         official energy efficiency metric used to compare relative

    account not only the energy used during the course of cleaning                                                                                                                                                                               efficiencies of different clothes washers. MEF considers

    the clothes, but also the energy used to heat the water and run the                                                                                                                                                                          the energy used to run the washer, heat the water and
    dryer. The WF rates the water efficiency of the unit based on its                                                                                                                                                                            run the dryer. The higher the MEF, the more efficient the
    size. The lower the WF, the more water efficient the washer.                                                                                                                                                                                 clothes washer.

      Using the MEF and WF, along with an Energy Star label and                                                                                                                                                                                  ■■ Water Factor (WF): WF is a measurement of water
    the EnergyGuide label can help you determine which washer set                                                                                                                                                                                   efficiency that is calculated as gallons of water used per
    will conserve resources yet still perform well.                                                                                                                                                                                                 cubic foot of capacity. The lower the number the more
                                                                                                                                                                                                                                                    water efficient the clothes washer.

    What to Know                                                                                                                                                                                                                                 ■■ High Efficiency (HE): HE is used to describe clothes
                                                                                                                                                                                                                                                    washers that typically use 50 percent less water than
      ■■ Dryers with moisture sensors can greatly reduce energy use.                                                                                                                                                                                traditional units. Special low-sudsing detergent is used with
      ■■ Most HE (high efficiency) washers use special low-sudsing                                                                                                                                                                                  these models.
    detergent.
      ■■ Energy Star specifications for clothes dryers took effect on                                                                                                                                                                            ■■ EnergyGuide Label: This yellow label created by the U.S.
    January 1st of this year.                                                                                                                                                                                                                       Federal Trade Commission is on most home appliances,
                                                                                                                                                                                                                                                    and will help you compare the energy use (and cost) of
                                                                                                                                                                                                                                                    operating one appliance relative to another.

www.greenbuildermag.com 11.2015What are Smart Appliances?                                                                                                                                                                                            ■■ Induction Cooking: Induction heating elements heat
                                                                                                                                                                                                                  IMAGE CREDIT: LG ELECCTRONICS         only the pan and its contents, and offer energy efficiency
    GET READY FOR A                                                                                                                                                                                                                                     by reducing wasted heat when compared to radiant
                whole new wave                                                                                                                                                                                                                          and gas cooktops. The actual induction element stays
                of intelligent                                                                                                                                                                                                                          cool, while the metal pot or pan up rapidly making
    appliances. These “smart”                                                                                                                                                                                                                           induction heating safer and more energy efficient than
    refrigerators, washers,                                                                                                                                                                                                                             traditional cooking methods.
    dryers and water heaters
    can track how much                                                                                                                                                                                                                               ■■ Consortium for Energy Efficiency (CEE): CEE, a
    energy they are using;                                                                                                                                                                                                                              consortium of efficiency program administrators from
    those that are smart grid                                                                                                                                                                                                                           across the United States and Canada, periodically compiles
    ready have the ability to                                                                                                                                                                                                                           lists of products that meet the organization’s tiers of
    shift usage to periods                                                                                                                                                                                                                              efficiency, based on manufacturer data. www.cee1.org
    of lower electricity demand, thereby easing pressure on the
    electrical grid. For example, a smart washer can delay the                                                                                                                                                                                       ■■ Hydrochlorofluorocarbon (HCFC): HCFC-based
    start of a load to off-peak times, or a refrigerator can turn its                                                                                                                                                                                   refrigerants are the most common type of refrigerant
    compressor off for a couple of hours.                                                                                                                                                                                                               used in the United States today and are considered
                                                                                                                                                                                                                                                        significant contributors to greenhouse gas emissions
       Some smart features are geared toward convenience;                                                                                                                                                                                               and global warming.
    for example, you can select cycles and start or start washer
    or dryer loads remotely, download new cycles or even                                                                                                                                                                                         DISHWASHERS
    troubleshoot problems with technicians. LG Electronics offers                                                                                                                                                                                Quiet and Efficient
    a smart refrigerator that will send you a photo of its contents                                                                                                                                                                              Energy savings and water savings are closely linked; the more hot
    to your smartphone, if you’re having trouble remembering                                                                                                                                                                                     water you use in your appliances, the higher your energy bills.
    what you need to buy at the grocery store. Smart ovens                                                                                                                                                                                       Dishwashers produced before 1994 typically use 10 gallons per
    can download and store recipes (with photos), and smart                                                                                                                                                                                      load more water than modern units. Considering that the average
    dishwashers will make suggestions on the most efficient cycle                                                                                                                                                                                home washes over 300 loads per year, reducing the amount of
    for the particular load.                                                                                                                                                                                                                     water used can quickly lower utility bills. Dishwashers that offer
                                                                                                                                                                                                                                                 cycle selections and energy-saving options can help reduce the
       Though many of the major manufacturers, including                                                                                                                                                                                         amount of water you use.
    Whirlpool, GE, Bosch and LG Electronics, are starting to offer
    smart appliances, expect a greater range of offerings over the                                                                                                                                                                                 To dissolve detergent and remove grease, dishwashers require
    next few years. The expansion of choices should start driving                                                                                                                                                                                extremely hot water. Many dishwashers now come with a “booster”
    the price of intelligence down.                                                                                                                                                                                                              or internal heating element that raises the incoming water
                                                                                                                                                                                                                                                 temperature to the required 140 degrees.

                                                                                                                                                                                                                                                   This can allow you to lower the temperature on your water
   45   46   47   48   49   50   51   52   53   54   55