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Aluminum Windows Pros and Cons

When you’re ready to replace your old windows, you may choose from several options, including aluminum windows. The aluminum windows of today are a lot better than the older styles of the 1970s and 1980s. How good are aluminum windows, though? What are their good points and how do they compare to other styles?

Advantages of Aluminum Windows

One of the biggest advantages of aluminum is that it’s very light but still strong. It’s durable and doesn’t require much maintenance, especially with a factory-baked or anodized finish. If you have windows with unusual shapes, you might consider aluminum because it can easily be manipulated into the shape you need.

Disadvantages of Aluminum Windows

The great problem with aluminum is that it doesn’t hold heat in well. The thermal conductance of aluminum is high. Thus aluminum windows may not work well in cold climates. Condensation or even frost forms inside the windows and can present a variety of problems.

You can improve the problem by using non-conductive material between the two panes. The break between the two panes needs to be at least 1/4-inch thick. There has to be a complete break between interior and exterior aluminum parts; otherwise a thermal bridge will be established, and you will lose heat.