Page 43 - The Homeowner's Handbook 2017
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Exteriors / Roofing / Structure / Insulation / IAQ / Windows & Doors / Heating & Cooling / Lighting / Appliances / Plumbing / Finishes / Cabinets & Tops / Alternative Energy





                     Not only were the first residential LED products expensive, the   3 Lighting Control Devices
                   quality of the light was disappointing. LEDs are directional light
                   sources, which means they emit light in a specific direction, unlike   Every Home Needs
                   incandescent and compact fluorescent bulbs, which emit light and
                   heat in all directions. For this reason, LED fixtures use light and   It should come as no surprise that lights
                   energy more efficiently in many applications; however, they are also   can use a lot of energy, especially if they are
                   prone to casting a harsh “spotlight,” rather than a diffuse, even light.   left on when not in use. Energy-efficient
                   Another issue was light quality, which was much cooler than the   bulbs are the most obvious solution to
                   warm incandescent bulbs we grew up with. LED products include   saving energy and money when it comes
                   a Kelvin rating, which measures the light’s color temperature. In   to lighting in the home. Lighting control
                   general, lighting in the 2,700 to 3,000 K range is pleasing to most   devices can help to reduce energy usage
                   people; the higher the number, the “whiter” the light. For comparison,   and energy costs even further. These allow
                   incandescent bulbs range between 2,700 and 2,800 K.       homeowners to customize the amount of         CREDIT: LEVITON
                     LED choices have expanded rapidly, from can light and bulb ret-  light used, and can ensure that lighting is
                   rofits to dedicated LED fixtures that include internal drivers that   only used when needed. Here are three solutions to consider:
                   transform their higher voltage to household voltage. Although LED
                   light quality issues have largely been solved, you still need to be selec-  Universal Dimmers
                   tive. LED bulbs that have earned Energy Star certification are subject   What They Do: Dimmer light switches (see above photo) can
                   to specific requirements designed to replicate the experience you are   help to reduce energy usage by decreasing lighting levels, and
                   used to with a standard A-type bulb, so they can be used for a wide   thus decreasing the amount of energy used to keep lights on.
                   variety of applications. A general-purpose LED bulb that is not certi-
                   fied may not distribute light in all directions and could prove to be a   Where to Install: Universal dimmers are ideal lighting control
                   disappointment if used in a table lamp.                   devices for most areas within a home, giving you the ability to
                                                                             control lighting levels for any task at hand.
                   CFLS                                                      Occupancy Sensors
                   Not Without Issues                                        What They Do: Occupancy sensors ensure lights aren’t left
                   Compact fluorescent lights, or CFLs, also produce light differently   on when they’re not needed. They automatically turn the
                   than incandescent bulbs. In an incandescent, electric current runs   lights on when motion is detected and turn the lights off
                   through a wire filament and heats the filament until it starts to glow.   when the room has been vacated.
                   With a CFL, an electric current is driven through a tube contain-
                   ing argon and a small amount of mercury vapor. This generates   Where to Install: Occupancy sensors are perfect for entry
                   invisible ultraviolet light, which excites the fluorescent phosphor   ways in the home, such as near a door or garage door leading
                   coating on the inside of the tube, which then emits visible light.  to the house, a laundry room, utility closet or anywhere where
                     CFLs need a little more energy when they are first turned on, but   “hands-free” lighting control is desired.
                   once the electricity starts moving, CFLs use about 70 percent less
                   energy than incandescent bulbs. Older CFLs used large and heavy   Lighting Automation Solutions
                   magnetic ballasts that caused a buzzing noise in some bulbs. Most   What They Do: For homeowners looking to take their
                   CFLs today (and all Energy Star-certified CFLs) use electronic ballasts,   lighting control to the next level, lighting automation devices
                   which do not buzz or hum.                                 are the ideal solution. Devices with Z-Wave radio frequency
                     CFLs used to have cost and light quality advantages over LEDs,   technology, such as Leviton’s line of Vizia RF + devices, offer
                   but both of those gaps are closing quickly. Without question, LEDs   one-touch control of lights; they also allow you to set lighting
                   are the lights of the future.                             “scenes” for certain times of day or events.

                                                                             Where to Install: Lighting automation solutions are ideal
                   CONNECTED LIGHTING                                        for living rooms, TV rooms or rooms with lots of windows.
                   Maximizing Efficiencies                                   Lighting levels can be adjusted according to time of day and
                   Smart lighting can adjust itself to changing light conditions or oc-  the availability of natural light.
                   cupancy; it can also be programmed to turn on an off at certain
                   times. Some smart lights even “learn” occupant behavior and adjust   Source: Leviton
                   accordingly. Increasingly, connected lights are part of comprehen-
                   sive energy management systems. In many cases, these lights can   creating “scenes”—coordinated actions among various wireless
                   be synced to other features or devices—so long as they all speak   devices—for specific events.
                   the same wireless “language.” One example of this is the Caséta   Wireless lighting saves the hassle of having to break through
                   Wireless System, offered by Pennsylvania-based Lutron Electronics.   drywall to wire new outlets and switches. If you’re converting to
                   Through their mobile app, you can control not only your home’s   LED lamps or fixtures anyway, this might be a good time to add
                   lighting, but also the position of shades and thermostat settings,   wireless sensors and controls. GB

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          9-61 GB 1017 HH.indd   41                                                                                            11/1/17   12:08 PM
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