Energy Savers Windows

How to Measure Replacement Windows

1. Most replacement windows are manufactured in 1/8" increments.

Example Width
27-1/8", 27-1/4", 27-3/8", 27-1/2", 27-5/8", 27-3/4", 27-7/8"

Example Height
52-1/8", 52-1/4", 52-3/8", 52-1/2", 52-5/8", 52-3/4", 52-7/8"

2. Overall depth of window is 3-1/4".

3. Height: From the inside of the house, measure between inside sill, and top of window in back of the inside of the inside stop. Measure both the left and right side.

Use the smallest measurement.

See diagram to the right.

4. Width: Measure between jambs at three points; top middle, and bottom. In front of the inside stop. Use smallest measurement.

See diagram below.

For more instructions, see our page on installing a replacement window.




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"Bryan and I would like to thank you for everything you did for us with the windows. Never have we had the experience of such great customer service from you, your employees and the product itself. Word of Mouth is a powerful thing and Energy Savers has our word."

Thanks again!
Bryan and Katy


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"We want to thank you and greatly appreciate your help in enabling us to afford new windows in our condo. Your employees were very polite, did a great job and left everything clean. We are very pleased and will enjoy the new windows."

God Bless you and your business.
Lou and Jan R.


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Energy Savers Windows, Siding, & Patio Dors has been voted #1 Dealer of the Year for 9 consecutive years. We serve all of Chicagoland, NW Indiana and many other surrounding areas. We specialize in vinyl windows, vinyl siding, and patio doors. Including replacement windows, double hung windows, bay windows, bow windows, garden windows, casement windows, sliding windows, & sliding glass doors. Contact us to receive a Free In-Home Estimate at (708) 301-7426.


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