Window Replacement in Oconomowoc and
Waukesha County, WI
Is Your Money Going Out The Window?
Old or inefficient windows allow air and moisture infiltration, reducing comfort and driving up energy costs.
Feist Team Construction Provides Expert Window Replacement
Professional window replacement is one of the fastest ways to improve comfort, efficiency, and curb appeal.​
We install high-performance windows designed specifically for Wisconsin’s harsh climate—installed with precision, care, and attention to detail.
262-999-6776
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Water staining, soft wood, or rot around window frames
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Older single-pane or inefficient double-pane windows
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High heating and cooling costs from air leaks
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Windows that stick, won’t lock, or won’t stay open
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Foggy or cloudy glass caused by failed seals
Replace Your Windows and
Fix the Comfort Problem
Replacement Windows Designed
for Wisconsin Homes
Wisconsin homes require windows that can handle cold winters,
temperature swings, and wind exposure.
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We help homeowners choose the right replacement windows based
on their home, goals, and budget. Options include:
Vinyl
Offer excellent insulation and low maintenance at economical price
Fiberglass
Strong, stable frames and superior efficiency at medium price point
Wood
Offer classic traditional look
All the windows we install will be Energy-efficient and featuring Low-E glass filled with gas that is more energy efficient.
Common styles such as double-hung, casement, slider, picture, bay, and bow windows
If you’re unsure which option is best, we walk through everything during your estimate.
Our process is straightforward and professional from start to finish:
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In-home assessment to measure windows and identify issues such as drafts, rot, or seal failure
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Clear explanation of window options and pricing with no pressure
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Ordering and scheduling with accurate timelines
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Installation day with careful removal, proper insulation, and clean workmanship
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Final walkthrough to ensure smooth operation, warranty coverage, and full cleanup
Most window replacement projects are completed in one to two days, depending on the number of windows.
Our Window Replacement Process
What Sets Feist Team
Construction Apart
A quality window will only perform well if it is installed correctly
Our team focuses on the details that ensure long-term performance:
Proper flashing and moisture management
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Air sealing and insulation around every opening
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Windows installed level and square for smooth operation
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Clean interior and exterior finishes
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Respect for your home
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Full job-site cleanup
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Making sure you are satisfied
Window Replacement Cost in Wisconsin
The cost of window replacement varies depending on several factors, including:​
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Window size and style
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Material choice such as vinyl, fiberglass, or wood
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Energy-efficiency upgrades like Low-E glass or triple-pane options
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Any necessary frame or trim repairs
​​During your estimate, Feist Team Construction provides clear pricing and explains exactly what affects cost so there are no surprises.
Call or Text For a fast ballpark estimate or to schedule an in-home evaluation.
262-999-6776
FAQ's
Can windows be replaced in the winter?
Yes. Window replacement can be completed year-round, including during winter months. Installations are staged to minimize heat loss.
How long does window replacement take?
Most homes are completed in one to two days.
Should I replace or repair my windows?
If windows are drafty, foggy, rotting, or very old, full replacement is usually the better long-term investment.
Do I need a permit to replace windows?
Many like-for-like window replacements do not require a permit, but requirements can vary depending on the scope of work. We typically take care of all permits for you.
What windows are the most energy efficient?
Windows with Low-E glass, insulated frames, and tight seals typically perform best for Wisconsin homes.
