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Energy-Efficient Housing
By Hannah Vehrs
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Why the Concern of Energy-Efficient Housing?• Older homes were not constructed to save energy
or to improve the environment.• In the 1970s, the average refrigerator consumed
about 1,500 Kilo watt hours per year.
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Construction of a Home• There are many different ways to build homes in
order to save energy.• They are more valuable, comfortable, and
decrease utility costs.• Easier on the environment.
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What is ENERGY STAR?
• ENERGY STAR is the trusted, government-backed symbol for energy efficiency.
• Helps people save money and protect the environment through energy-efficient products and practices.
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What is ENERGY STAR? (Continued…)
• Reduces greenhouse gas emissions and other pollutants caused by the inefficient use of energy.
• Makes it easy for consumers to identify and purchase energy-efficient products that offer savings on energy bills without sacrificing performance, features, and comfort.
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What is Sod Roofing?• Grass roofs help make
houses efficient by adding good insulation.
• The plants that make up the outside layer of the system protect the inner roof layers from ultra violet rays.
• Green roofs significantly reduce storm water by absorbing and retaining rain water.
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What Are Energy-Efficient Windows?
• An inert gas (such as argon or krypton) is placed in between the panes.
• These gases insulate better than air.
• They are typically double- or triple-paned.
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What Are Energy-Efficient Windows?
(Continued…)• Some energy-efficient
windows are designed with a clear coating that reflects infrared and UV rays.
• Keep the home warmer in winter and cooler in summer.
• They also prevent artwork and furnishings from fading.
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Tile Flooring V.S. Carpet…• Tile is more energy-efficient
for warmer climates as it keeps rooms cool.
• Tile lasts much longer than carpet, which is less expensive in the long run.
• Tile also requires little maintenance unlike carpet, which requires regular cleaning with special products or services.
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What Does Insulation Have to Do With It?
• Inadequate insulation is the main cause of inefficiency in the average American home.
• When a home has poor insulation, heated or cooled air escapes, and the heating, ventilation and air-conditioning system has to work that much harder to keep the indoor temperature stable.
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What is the Biggest Power Consumer?
• The refrigerator is the single biggest power consumer in most households.
• A typical refrigerator made in 1990 uses over 900 kilowatt hours (KWHs) per year—that's the same amount of energy a person would use by leaving a 1,250 watt hairdryer on for a month!
• The older the refrigerator is, the more power it burns.
V.S.
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What Kind of Appliances Should I Look For?
Energy Star:• Clothes Washers• Dehumidifiers• Dishwashers• Freezers• Refrigerators• Room Air Cleaners &
Purifiers• Water Coolers
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• This shows the distribution of annual electricity consumption by U.S. households.
• About 57% of the total energy produced worldwide is used to drive electric motors.
• In the U.S., electric motors account for 20% of electrical energy consumption.
• At this rate, enhancements in efficiency of just 5% make a big difference.
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• The perception of green homes is changing.• No longer expected to be off the power grid, carved into the
side of a hill like a cave. • Future homes will be more energy-efficient and earth-friendly.• They are expected to produce at least as much energy as
they consume over the course of a year.
Choosing biodegradable shampoo and recycling soda cans are good earth-friendly steps. Next up is building energy-efficient green homes, offices, and retail spaces that use solar and thermal power and leave less of a footprint on the planet.
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Bibliography• http://www.meritagehomes.com/whybuy/energyefficient/?
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• http://www.fmlink.com/article.cgi?type=Benchmarking&title=Green%20Roofs%3A%20A%20Sustainable%20Solution%20for%20Energy%20Savings&pub=Facility%20Issues&id=40525&mode=source
• http://www.sheknows.com/living/articles/817404/Energy-efficient-green-home-plans