Important Information Regarding COVID-19 For the protection of customers and team members: • This Location is practicing social distancing (no handshaking, maintaining physical distance, approximately 6 feet) Due to COVID-19, Our Showroom will be open by appointment only. Call (515) 986-3545 to schedule for Grimes, Iowa showroom - Call (641) 424-4717 to schedule for Mason City, Iowa showroom. We are accepting in home appointments. Your safety is very important to us, Our Design Consultants are protected with mask, gloves and disinfectant wipes/spray for in home demonstrations and we offer free virtual in home consultations.
Van & Bonnie Radio

Mason City: (641) 715-9007 Grimes: (515) 305-2241
Up to $62 Off Per Opening
Trade in your old windows and receive up to $62 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.

If you’re looking for replacement windows in Iowa and Minnesota that are as durable and reliable as they are beautiful and perform in the extreme climate changes our states deliver, look no further than ecoSmart Windows from Midwest Construction.

The moment ecoSmart Windows are installed in your home, you won’t just see the difference, you’ll feel it. You will be welcomed with beautiful views that no longer let you down in harsh winters and sweltering summers. While your energy bills become lower than ever, you’ll feel safe and sound in the sanctuary you call home.

ecoSmart Windows feature:

  • Slim sash design for optimal view
  • Standard Smartcore insulated master and sash frames
  • Real Hardware for lift rails
  • I-beam and Rigid Core Fiberglass reinforcement
  • Pinch Fusion welded master and sash frames
  • Standard EZ Lok System
  • 3 – Glass Pack options to choose from

ecoSmart Windows are built with high quality New Generation PVC Vinyl, the strongest, most advanced vinyl available.

For nearly 60 years, Midwest Construction has been the premier company for exterior home remodeling for resident of Iowa and Minnesota.

Our expert installation staff have decades of experience and will get your project done in a timely professional manner using all of the water management and insulation techniques to ensure your window’s performance.

Our manufacturer, Great Lakes Windows, crossed oceans and spent decades developing the highest quality – replacement window homeowners can find. Their attention to quality started in 1981 when the founders of the Great lakes Window Company brand discovered a popular window technique in Europe. They quickly brought it to their home in Toledo, Ohio. They continue to develop many more innovative product lines, including ecoSmart Windows and Patio Doors.

Midwest Construction Reviews

We love the way our house turned out. All the crews did a great job.