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Installation of new windows or window replacement enhances the beauty of your home, increases market value, adds security, and reduces household energy bills.

  • Energy Star Rated Windows
  • Reduces Household energy bills by 12%**
  • Cost Recouped by 85%**

**Statistics were taken from Energy Star’s website

Doerr Siding & Window offers a premium vinyl window from Polaris Windows & Doors manufactured in Youngstown, Ohio. Doerr Siding & Window has been installing Polaris Windows since 1998 which offers a lifetime warranty with a virtually maintenance free design. At the end of 2014 we entered an exclusive program “Energywall” with Polaris Window & Doors which allows us to offer the best windows in Central Illinois. Our standard window beats our competitor’s top window.

Standard (On all Energyweld Windows)

  • Energy Star Rated (Awarded Most Efficient 2015)
  • Double Pane-Argon Filled Sash
  • Intercept Stainless Steel Spacer
  • Foam Filled Main Frame & Sash
  • Fusion Welded Frame and Sash
  • Innergy Re-inforcement Rails
  • True Sloped Sill (double hung windows only)
  • Tilt-in Sashes (Easy for Cleaning)
  • Dual-Tech Lock/Latch System, No need for Tilt Latches
  • BetterVue improved visibility insect screen


  • Triple Pane
  • Low E/Krypton Gas
  • Internal Grids
  • Simulated Divided Lite Grids
  • Painted Vinyl (Woodgrain Colors Available)
  • Internal Tilt Mini-Blinds
  • Pet Screen

Even the best windows won’t deliver the look or comfort you expect if they’re installed poorly. Many major window manufacturers train and certify installers for their specific products. Using the same contractor for purchase and installation can minimize the chances of problems arising later. We take pride in our window installers who have been working for Doerr for 25+ years.Look online for certification from the American Window & Door Institute, Installation Masters, Better Business Bureau, and request multiple bids. They should include specifics such as window brand, number of windows, size, style, plus any add-on features. Installation details should be noted with labor and material cost broken down. Replacing your old drafty windows will benefit you through Spring, Summer, Fall, and Winter.

Click here for your free quote.


  • Double Hung
  • Casement
  • Awning
  • Glider
  • Bay/Bow
  • Picture
  • Garden
  • Block
  • Skylights

We are proud to serve all of Central Illinois, including East Peoria, Peoria, Pekin, Morton, Washington, and Bloomington IL!

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