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Save Money with Energy Efficient Windows

Windows and the area around them are the biggest single area of heat loss in the home. Windows, if not chosen and installed properly, can cause high-energy consumption, loss of heat and unwelcome cold drafts. They can also be the reason for condensation within your home.

EiEiHome spoke to Beverley Hills Home Improvements to find out about energy efficient windows and most importantly, how they can save you money. By minimizing air leakage and improving thermal performance of your windows, you could reduce heat loss by up to 50 per cent.

What does R-value mean?

R-value measures the resistance of thermal transfer or heat flow from the window. The higher the R-value the better. A typical R-value for the centre of glass is 2.2. When Low-E and argon gas are added, the R-value typically doubles to about 4, reducing heat loss by approximately 50 per cent. Beverley Hills uses standard triple glazed casement window with an impressive R-8.

What is Argon gas?

Argon is an inert, non-flammable, non-toxic gas that constitutes about one per cent of the air we breathe. When the space between the two or three panes of glass is filled with Argon gas, instead of air, the heavier gas acts as a thermal blanket that stops heat from escaping. Because it filters out ultraviolet rays, Argon gas can also save your draperies and carpets from fading.

Image credit Beverley Hills Home Improvements

What is a high efficiency energy rating?

The Energy Rating (ER) of a window is a number ranging from 0-40, which provides a relative ranking of energy efficiency. The ER is calculated using a window’s air leakage, solar heat gain and u-value characteristics. A window with an ER of zero has poor energy efficiency, where an ER of forty is very high energy efficiency. A window considered to be energy efficient will have an ER of twenty or greater.

Why energy efficient windows?

Energy efficient windows increase the comfort level in your home by minimizing drafts and making a house feel warmer in the winter and cooler in the summer. They help control condensation because the interior surfaces of energy efficient windows stay warmer, allowing you to raise the level of humidity without worrying about condensation. Condensation can cause premature deterioration of windows, walls and finishes leading to high maintenance and replacement costs.

Editor, Dawn Boshcoff

For more information on energy efficient windows, installation and window repairs, you’ll find Beverley Hills Home Improvements and other expert home service professionals at EiEiHome.


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