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How To Find The Best Energy Efficient Windows For Your Home

| September 22, 2014

Whether you own an old home that was built decades ago, or you intend constructing a new one to suit your needs and taste, installing the best energy efficient windows is imperative. Energy efficient windows will also help reduce heating and cooling costs. You will be able to save about 7 to 12 percent from your energy costs, according to Natural Resources Canada. While this saving may seem modest, in the long-term, you will benefit. Moreover, quality energy efficient windows can make your home more comfortable and also aid in noise reduction.

Finding the Best Windows

Looking for the best energy efficient windows does not have to be an ordeal or overwhelming experience. If you know what to look for, you will be able to make an informed decision. It is important to note that the amount of energy you’ll save by installing energy efficient windows will vary based on the type of windows you select. Nonetheless, the more inefficient windows you decide to replace, the higher your savings will be.

Here are some tips to help you choose nothing but the best windows for your home.

Material of the Frame

Today, many people opt for vinyl windows, as they are a cost-efficient, durable choice. At Magic, we have made a conscious decision to avoid using wood products, since we are committed to the preservation of North America’s forests. However, in addition to our vinyl window offerings, we give our customers the option of using a synthetic wood textured frame that looks great and is highly energy efficient.

Energy Ratings

If available, check the NFRC labels present on your windows. These labels are numbers given by the National Fenestration Rating Council (NFRC) and the things to check are:

  • Solar Heat Gain Coefficient: This number is between 0 and 1. The lower the coefficient, the better the window at keeping out heat. If your home is located in milder climes, you will want the coefficient to be low and vice versa for cold regions.
  • U-Factor: Also known as U-value, this number ranges from 0.20 to 1.20 and represents how efficiently windows can keep heat in. The lower the rating, the more efficient the window in keeping heat in.
  • Visible Transmittance: This is an indicator of how light a window lets into a room. This number is between 0 and 1. The higher the number, the more efficient the window in letting natural light into the room.

You can use energy rating as a way to determine the performance of the window and find out how energy efficient it is.


When it comes to window glazing, more is better. Double- and triple-glazed windows have a layer of gas between panes, making them more thermally efficient. You can get windows with argon or krypton gas. Argon is not as expensive, but is as good as krypton gas where insulating properties are concerned.


E-coating or emissive coating is a thin layer of metal oxide on the window pane that helps to reflect heat back to its source. Windows with e-coating will keep heat inside during winters and reflect back heat from outdoor objects during summers, keeping your home cooler and more comfortable.

Keep these tips in mind when you’re choosing the best energy efficient windows for your home and you’ll save on your heating and cooling costs. If you are searching for the most energy efficient windows in North America, contact Magic today.


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