Changing Your Home To Conserve And Harness Energy
If you are interested in "going green" you are going to need to make some changes to your home
, and the kind of energy you are using to run it. Harnessing the energy of the sun through solar panels can change the way your life, and the way you treat the world around you.
The sun has always been a our life-sustaining force, and it will continue to serve us if we are only willing to use it. Today's technology has brought us ways to use this solar energy to power just about everything in our home, for a limited price.
Solar energy comes from the sun. A biology class will tell you that in addition to affecting climate and weather, sunlight provides the energy that sustains most life on earth.
It also can be harnessed to provide heating, lighting, and electricity. Solar power has become a hot topic lately, but this technology is nothing new - Native Americans, people in China and even the early Greeks have historically turned their buildings to the sun for heat.
These early architects were using what is known as passive solar energy. This technique makes the best use of regular building materials to trap heat with no additional mechanical equipment used.
Floors, windows, and roofs play a role in attracting (or deflecting) the sun's rays. There are a number of ways to take advantage of solar radiation, starting with the house's placement.
Having the house face the equator (we will assume we are in the Northern Hemisphere, thus the house should face south) means that it gets the day's sunlight. Window orientation is also important - for optimal efficiency, most windows should point within 30 degrees of due south.
Maintaining a small percentage of north facing windows will ensure that your home is comfortable year round, staying warm in the winter and cool in the summer. Rock or stone tile floors and brick walls will absorb the solar radiation and continue to give off heat after the sun is gone.
While common windows allow heat to escape, special windows with low-e coating, multiple panes, inert gas fill, and/or insulated frames can reduce heat loss fifty to seventy five percent. By sealing your building envelope and insulating well, you will ensure that the heat stays in the house.
It can then be distributed through the house using a regular ceiling fan. Fans are a good idea anyway, as they can be used instead of air conditioning to save money and electricity.
Direct sunlight is not the only important light to think of when considering energy use. By using overall daylight to light a space you can cut down the need for electrical lighting and the heat that's created by it.
Artificial lighting has only been the main source of illumination since the 20th century. And using natural light may have added benefits for your physical and mental health.
In addition to windows, day-lighting makes use of skylights, light pipes (also known as light tubes), atriums, and light shelves to illuminate the interior. This is best considered when building, but with a few small renovations your house can be much brighter, naturally!
Passive cooling is another way to cut your bills and become more energy efficient. This is especially useful in warmer climates, where air conditioning can be a major power consumer.
Passive cooling refers to using things for shading, to absorb the heat, and goes hand in hand with passive solar energy. It can be accomplished using exterior landscaping choices - trees and other vegetation - or interior/exterior building options, such as shades, blinds or special glazing on windows.
Whether you are building a new home, looking at doing some renovations or just want to cut your energy bill, passive solar energy and cooling techniques are an easy way to incorporated green ideas into your home. With the rising interest in environmental issues, they make an excellent selling feature and they will save you money.
As you can see, there are ways to make adjustments to your home to save yourself money, and keep you being an environmentally aware member of society. By using the power of the sun, you can change the entire quality and lighting atmosphere of your home, while not wasting limited resources.
by: Terry Daniels
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