MI windows prices tend to be on the lower end of the price spectrum. However, because the company manufactures a number of brands, including Xact, BetterBilt, Capitol and more recently CertainTeed windows, you can really only generalize on costs. MI now markets all of the windows under their own brand and there isn’t much information on their own brand pricing. For opinions on their series and products, please refer to our MI window reviews page.

Have a question about your replacement window project? Send us your window questions and/or price quotes for free advice — Bill — Site Editor

MI Windows Prices

CertainTeed Windows

CertainTeed Bryn Mawr III Series
9 Double Hung Windows
Dimensions: Standard sized.
Price: $3580 ($397 average each)
Included product and installation.
Location: New Jersey
Project completed in 2010.

CertainTeed Bryn Mawr II Series
19 Double Hung, 1 Small Casement
Dimensions: N/A
Pricing: $7,000 ($350 average each)
Product only, did not include installation/labor.
Location: Connecticut
Windows purchased in 2008.

CertainTeed Devon Series
Double Hungs
Dimensions: N/A
Price: $440 each
Included both the windows and the cost for installation.
Location: New york
Project completed in 2007.

CertainTeed Garden Window
Dimensions: 42″w x 28″H
Prices: $1450
Includes cost for installation and minor framing prep work.
Location: N/A
Project completed in 2011.

CertainTeed Wood Double Hungs
Dimensions: 24″W x 48″H
Price: $730 each
Incudes professional installation.
Location: Fullerton, CA.
Windows purchased in 2009.

Additional MI Windows Prices & Costs

Xact Windows

Xact 1650 Model
16 Double Hungs
Dimensions: Standard sized
Price: $7,400 ($462 average cost)
Included product and installation.
Location: New Jersey
Project completed in 2010.

Xact 1650
12 Double Hungs
Price: $210 per window
Included labor for installation.
Location: Virginia
Project completed in 2009.

Xact 1650
14 Double Hungs
Dimensions: Average sized
Cost: $5,700 ($407 average price)
Price included installation.
Locaton: NJ
Project completed in 2009.

Xact 1650
7 Double Hungs, Argon Fills, Low-e
Dimensions: 36″W x 51″H
Price: $3850 ($550 average per)
Location: New Jersey
Project completed in 2010.

Xact 1550 Windows

Xact 1550
20 Double Hungs
Dimensions: N/A
Price: $6,000 ($300 average each)
Included product and installation.
Location: Richmond, VA
Project completed in 2010.

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