There are several things you will notice about your new windows months or years after you have installed them. What you notice will either cause frustration and regret or satisfaction and peace of mind. So, when you compare windows, you need to look for the window elements that truly matter in the long run.


What are the components of a quality window? How do you find these components, and how do you use them to compare products and manufacturers when shopping? Read on to find out more.

1. How Well the Window Performs

Windows today may contain expensive features. However, with all these additives, there’s really only one important question. How well does the product work? Your primary concern should be how well the window opens and closes, how well the hardware works, and if the window is drafty. All windows, regardless of their shape, design, or function, should fall under this basic scrutiny.

2. Company Energy Performance Label

The first thing that should catch your attention on an Energy performance label is the ENERGY STAR logo. That should be your bare-minimum requirement. However, you should aim for the windows with the highest energy rating possible. Read the NFRC (National Fenestration Rating Council) energy-ratings label and look for the U-Factor. The lower the U-Factor rating, the better. The rating refers to the heat transfer that a window allows to pass through the glass. The lower the rating, the more energy efficient the window is.

3. The Glass Seal Warranty

If you get frustrated when your double-pane windows fog up, then you need to add that to your ‘deal-breaker’ list. The reason double-pane windows fog up is because the seal on the window breaks. Thus, manufacturers add a window guaranteed seal performance in their warranties.


What is a healthy warranty for a window seal? 10 years. Anything less than that is not even worth considering. If you are looking for premium windows, try to find manufacturers that offer a 15 to 20-year warranty on the window seal. Also, check the warranty to see what other components it covers and under what conditions.

4. Warm Edge Spacers

Condensation leads to early material deterioration and mold, as well as other problems. Some manufacturers create what is known as a warm edge spacer that allows the window to transfer less heat. You should be able to read the NFRC label to find a condensation rating or if the manufacturer includes warm-edge spacers in the window design. If you can’t find that information on the label, then ask a Window World specialist.

5. Exterior Window Trim Fit

You may be focused on how your windows will look inside—and rightly so. However, from a visual standpoint, your windows will have a greater impact on the outside of your home where they add to your property’s curb appeal. Therefore, make sure the windows match the exterior trim size and dimensions, as well as the overall design of your brick, stone, or siding. Remember, you can custom-order your windows from Window World so that you get the right size regardless of what you are looking for.

Order Your Windows from Window World Today!

Window World Twin Cities provides industry-leading sliding windows from reputable manufacturers you know and trust. No matter what type of home design you have, we have the perfect window product for you.  To schedule a free consultation, call us at 651-770-5570, or you can message us on our contact page.

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