Winter is on its way Iowa! - Replace your drafty windows and doors with EcoSmart Replacement Windows - Stop by one of our showrooms, call or schedule an appointment below.
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Mason City: (641) 715-9007 Grimes: (515) 512-5484
Up to $61 Off Per Opening
Trade in your old windows and receive up to $61 per window 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.

When you hire Midwest Construction for your replacement window project, you can count on the exceptional quality of our windows and our workmanship. Our ecoSmart windows from Great Lakes Window by Ply Gem have been named one of the most efficient ENERGY STAR products of 2018.

We’re proud to bring these impressive windows to homeowners throughout Iowa and Minnesota and to help our customers lower their heating and cooling costs with ecoSmart’s high-performance features. If you’ve been thinking about investing in new windows, we have options that will start paying you back right away through lower energy bills!

Innovative Energy Efficiency

Lowering your heating and cooling bills is one of the best perks of installing quality windows, and ecoSmart windows offer superior performance and provide impressive ratings in all of the important categories including:

  • U-Factor: A measurement of the rate of heat flow through glass
  • Visible Light Transmittance: A measurement of how much light passes through glass
  • Solar Heat Gain Coefficient: The amount of solar radiation that can pass through glass
  • Structural Design Pressure: How much wind pressure a window can withstand

ecoSmart windows perform exceptionally well in every category thanks to innovative features such as:

  • Low-E Glass
  • SmartCore Insulation
  • Several High-Performance Glass Options
  • Dual or Triple Pane Glass
  • Argon or Krypton Gas Fills
  • Patented Spacer System
  • Fusion Welded Frames

Midwest Construction simply looked for the windows we’d want to install in our own homes, and brought those windows to our customers. For the very best in window replacement products, we’re the smart choice.

Energy Efficient Window Replacement

Whether you’re looking to build your energy savings or refashion your entire home with stylish windows that will give you greater indoor climate control, Midwest Construction can help.

Serving customers in Iowa and southern Minnesota, our team of professionals has unmatched experience when it comes to installing beautiful, energy efficient windows.

To learn more about our ecoSmart windows, give us a call today or fill out our online form to begin your free consultation and receive a no-obligation quote!


Midwest Construction Reviews

Entire team was professional and knowledgeable. From Alex, who explained the products and services offered, to Brett and Noah who completed the installations, they were all very friendly and skilled. Installation was performed earlier than originally scheduled and only took a couple hours. The tea...