🌟 State Fair Season = Savings Season! 🌟

Midwest Construction is rolling out exclusive State Fair offers for a limited time. Upgrade your home’s exterior now and save—call, click, or visit a showroom today!

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Iowa's Most Trusted Exterior Remodeling Company

At Midwest Construction, "Quality Products, Quality Installation" is our motto because that is what we set out to provide for each of our customers.

Al F. 8/19/2025

Warranty Claim

I want to thank you for submitting the warranty claim on our behalf. As I mentioned to you we are both 74 years old and I am disabled, so we really appreciate your willingness to help us with this matter. This is another example of why we think we...

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The Impact of Windows on Cost of your energy bills

If your energy bills in Mason City or Des Moines have been creeping higher, your windows might be to blame. Many homes still have single-pane windows or older models that no...

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Iowa Windows, Siding & Sun Rooms

Name: Midwest Construction
Price range: $$
Rating: 4.9

Mason City, IA

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

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Grimes, IA

Phone - (515) 512-5484
Hours - Mon-Thurs: 8am-4pm, Fri: 8am-1pm

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Our Services

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

Windows

Upgrade your home's comfort and curb appeal with our energy-efficient, professionally installed replacement windows built for Midwest weather.

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Siding

Protect and refresh your exterior with high-performance siding solutions designed to last—installed by experts who understand local conditions.

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Sunrooms

Bring the outdoors in with a custom-built sunroom that adds year-round light, space, and value to your home.

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Doors

Enhance your home's security, efficiency, and style with our expertly installed entry and patio doors built to withstand Midwest climates.

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Roofing

Trust our skilled team to deliver durable, weather-resistant roofing solutions that protect your home and boost curb appeal for years to come.

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Gutters

Safeguard your home’s foundation with seamless gutter systems that channel water efficiently—custom-fitted and built to endure every season.

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Instant Cash Coupon with Up to $670 Off New Siding, $670 Off New Sunroom Purchase Or $67 Off per Window Opening

Use our Instant Cash Coupon and save $670 off Complete Siding Job Installed. All Colors Available. *Not valid with other offers or prior sales,* Must be over 1,000 Square Feet*

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Up to $67 Off Per Opening

Trade in your old windows and receive up to $67 per window opening! Use our Instant Cash Offer* not valid with other offers or prior sales. *Up to 100 Unite Inches & You must present offer upon initial visit.

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Up to $670 Off New Siding

Use our Instant Cash Coupon and save $670 off Complete Siding Job Installed. All Colors Available. *Not valid with other offers or prior sales,* Must be over 1,000 Square Feet*

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$670 Off New Sun Room

Save $670 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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Friends and Family Giveaway!

Enter to win a Back to School Shopping Spree from Midwest Construction!

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Why Choose Midwest Construction

Our Community Says It!

Recognized by the BBB 2 times (Integrity Award) for Fair and Ethical Business Practices. 2021 Mason City Chamber of Commerce Small Business of the Year. Recognized by Local Radio and TV as "one of the finest family run business we’ve ever seen.“ Check out our customer testimonial TV commercial for more details on our premium products and services.

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 these customers are so happy with Midwest Construction. Read customer testimonials here.

About Midwest Construction

Quality products, quality installation is not only Midwest Construction's motto, but it is what we strive to provide to all of our beloved customers. We have researched and found the best products for your exterior remodeling project, becoming exclusive dealers on most to pass along great savings to you, and remain on top of the best installation practices the industry has to offer. What does this mean to you? Peace of mind that after we finish your job, you will enjoy your project for many years to come.

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Beautiful Results Enjoyed by Countless Homeowners

Our stunning windows have been appreciated by homeowners all across Central Iowa. View our gallery for inspiration!

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Popular Window Styles

Midwest Construction offers the best replacement windows in Iowa. Our energy-efficient windows come in many styles so you don't have to compromise comfort for style.