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In environments such as southern and central Arizona, including Phoenix, replacement windows will make a noticeable impact in the comfort level of your home and in your utility bills. On top of the benefits related to energy and money savings, energy efficient replacement windows also improve the overall look of a home, make it quieter, allow less dust to come in a house, protect the interior (carpet, rugs, floors, furniture, window coverings, art, pictures) against fading caused by ultraviolet light, permit more light in and minimize condensation on the windows.

Window Ratings
With well over 300 days of sunlight in a year, how well a window restricts the heat and ultraviolet rays from the sun is crucial. Energy Star windows are rated in 5 categories. The U-Factor and the Solar Heat Gain Coefficient determine the amount of heat a window transfers and are the key rankings to emphasis on when purchasing replacement windows for a Phoenix home.

Solar Heat Gain
Solar heat gain is the proportion of the sun's energy that is transmitted through a window. The sun's heat is passed through the glass as well as the window frame and sash. The frame and sash can make up 10-30% of the total area of a window so the frame construction is a critical determinant. Windows utilize a variety of techniques to inhibit solar gain.

Low-E Coatings
Low-E coatings reduce the heat and ultraviolet rays which pass through a window. Low-E coatings are quite thin, invisible metal layers connected to the glass. High, medium and low solar gain variations of Low-E coatings are available on the market. To further inhibit solar gain, some double pane windows utilize Low-E coatings on both pieces of glass.

Gas Fillings
The gap between the panes of glass in dual pane windows which can be filled with gas (Argon gas or Krypton gas). This gap can be filled air or gas (Argon gas or Krypton gas). The gasses are heavier than air and make it more difficult for hot or cold air to pass through. Krypton is the denser of the two gasses and requires a narrower space between the panes but is more expensive. The gasses are non-toxic so a damaged window does not pose a health risk.

Window Frames
Vinyl windows frames are made with hollow spaces inside which can be filled with insulation to enhance their thermal performance. Aluminum transmits heat very efficiently so aluminum windows have poor thermal performance unless a thermal break is added. A material which transmits heat very poorly is added between the aluminum pieces on the inside and exterior of the window to provide a thermal break.

Solar Energy Benefits - How May An Average Homeowner Gain By Installing Solar Power?
Are solar energy benefits really worth the large outlay needed to install solar in our homes? I often wondered, but now I'm convinced that they are.

How To Save On Electricity? Here Are A Number Of Ways You May Possibly Not Even Know About
Saving the environment is not an area of interest that interests everyone. However we're all interested in how to save on electricity because everyone's power bills are increasing at a phenomenal rate.

Benefits Of Solar Energy For Both The Worlds
"Going green" is one of the buzz words we are all exposed to every day. There are so many options - wind power, hydro electricity and solar power being only a few.

The Green DIY Energy Program Is A Good Way To Make Your Own Solar Power
With the economy being how it is, I find it rather funny that every thing keeps getting more expensive. Of course something that is always going to cost more and more every year is the electric for your home.

3 Reasons You Need To Install Your Own Residential Solar Panels On Your Household
Did you ever daydream that you might install your own solar panels for the home and change your life? A lot of people have actually done that.

Eco-Friendly Outfits Are Popular, But Exactly How To Start Your Own?
Have you ever thought of managing your own business? With the continuing troubles in the world and the uncertainty of energy prices, alternative energy businesses are booming.

Are Wind Turbines Worth Your Time And Money Or Are They Really Dangerous
Nearly everybody knows what a wind turbine is and how they produce energy, but for those who don't know I will explain. A traditional wind turbine is a tall tower that has blades attached to a rotor.

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