2018 Iowa State Fair - Thursday, August 9th through August 19th. 9 AM - 9 PM - Stop by our booth in the Varied Industry Building. We have windows, siding and sunroom, all full size displays for you to view. Stop by ask questions, see the Midwest Construction Difference for Yourself.

Midwest Construction - Iowa Windows, Siding & Sun Rooms

At Midwest Construction, "Quality Products, Quality Installation" is our motto because that is what we set out to provide for each of our customers – regardless of the size and scope of the project.

Midwest Construction VIP Monthly Giveaway

August Prize: Back To School Shopping Cash!

Up to $60 Off Per Opening

Use our Instant Cash Offer * not valid with other offers or prior sales. *Up to 100 United Inches & You must present offer upon initial visit.

$600 Off New Sun Room

Save $600.00 on a new sun room purchase. *Studio or Gabled sun rooms available. *Not valid with other offers or prior sales. You must present coupon upon the initial visit.

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Visit Our Showroom

Mason City, IA

Phone - (641) 715-9007
Hours - Mon-Thurs: 8am-4:30pm, Fri:8am-1pm

Grimes, IA

Phone - (515) 512-5484
Hours - Mon-Fri: 8am-4:30pm

We invite you into our showroom. Stop in and take a look at full sized window displays. See Showrooms

Project Portfolio

Serving customers throughout Iowa. Check out our past projects.

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Why Choose Midwest Construction

Van & Bonnie Say It!

Van & Bonnie, WHO 1040 AM Des Moines, Iowa Talk Radio. Van says: "It's one of the finest family run businesses we've ever seen."

We Say It!

Midwest Construction, family owned and operated, has been providing quality products and professional installation since 1958.

Satisfied Customers Say It!

Real testimonials from real customers. Here is why theses customers are so happy with Midwest Construction. Read customer testimonials here.

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Company Blog

Replacement Windows Forest City, Iowa

Posted by: Paul - 8/8/2018

Midwest Construction installs EcoSmart Replacement Windows for homeowners in Forest City, Iowa Bob Baker, met with these Forest City, Iowa homeowners to discuss window...

About Midwest Construction

Since 1958, we’ve been learning and growing hand-in-hand with our industry – finding the best exterior remodeling products and becoming their exclusive dealers in the process – ensuring that our customers receive the finest installation and service possible.

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Midwest Construction Reviews

Chris O. 6 days ago

Very satisfied with installation. Main installer very happy with, his help was not qualified or very professional. There were some quality issues that were taken care of and overall we are happy with experience.

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Popular Products

Midwest Construction offers the best replacement windows, siding and sunrooms available – and our customers always – always – talk about our clean, courteous installation crews.

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Preferred Partner Full Back - Insulated Siding

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