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July 12, 2010 in Environment Tips | No comments
It’s electric! You can check how much of your electricity comes from renewable “green” power sources, such as wind or solar. Green power produces less carbon emissions, reduces air pollution, and helps protect against future costs or scarcity of fossil fuels. If green power is a consumer option, check price differences from suppliers before you buy.
Source: epa.gov
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Tags: air pollution, carbon emissions, solar energy, wind energy
November 27, 2009 in Environment Tips | No comments
To save on energy, install a solar geyser on your roof, which will use the energy of the sun to heat your household water. With the electricity that you will save by installing a solar geyser, you can pay off your initial investment in as little as three years. After that you will be saving money.
Source: the Enviropaedia
Tags: Environment Tips, solar energy, solar geyser, solar heating
November 6, 2009 in Environment Tips | No comments
There are currently three ways to secure domestic power from the sun: passive, active and photovoltaic
• Passive solar energy is achieved by designing and planning your home to maximise the heat created by the passing of the sun each day. By carefully positioning windows, doors and skylights, you can keep your house warmer and lighter, without the use of electrical power.
• Active solar, or solar collectors, heat water by pumping it through black, vacuum piping, or a flat, black panel that is positioned for maximum sun exposure on your roof. The water in the piping is heated by the sun, providing hot water for bathing, showering and washing up. Hot water is stored in an insulated storage container until it is needed. You may need to switch to another source of power to heat water on cloudy days, or face the prospect of a cold shower.
• Photovoltaic panels generate electricity through the use of photovoltaic cells, which convert sunlight directly into electricity, which is then stored in large batteries. There are a variety of photovoltaic systems on offer, varying in size and price. These systems are quite expensive, at present but with improving technology and increasing levels of demand, prices are steadily decreasing.
Source: enviropaedia.com
Tags: active solar, Environment Tips, passive energy, photovoltaic panels, solar energy
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