Google's Top-Rated Window Pros Near Beloit, WI

We don't have license data for window and glazing businesses in Beloit, WI the way we do for some other cities on this site. This page leans on Google Maps instead: 5 businesses, ranked by rating weighted against how many people reviewed them. A strong Google rating still isn't the same thing as a license on file, so ask to see one before you sign anything.

Google Maps ratings checked · How we rank

5AIECC climate zone · ENERGY STAR Northern zone

What Beloit's climate means for your window spec

Janesville-Beloit, WI piles up about 7,570 heating degree days in a normal year, against 467 on the cooling side of the ledger.

That's the load an ENERGY STAR-rated window in the Northern zone is built to handle.

Data: U.S. EPA / DOE, ENERGY STAR, ENERGY STAR Version 7.0 Climate Zones by County/ZIP (Windows, Doors, and Skylights) (V7.0); Pacific Northwest National Laboratory (DOE Building America), Guide to Determining Climate Zone by County: Building America and IECC 2021 Updates (PNNL-33270) (2021 IECC), from the nearest NOAA station 1.5 mi away.

5 top-rated window replacement companies in and near Beloit

Ranked by Google rating weighted against how many people left one, so a perfect score from a handful of reviewers never outranks a strong average built on hundreds. That ranking is not a license check; call the state directly and ask for the contractor's license or registration number.

Top-rated window replacement contractors in and near Beloit, WI, with Google ratings
RankBusinessGoogle ratingReviewsCategoryAreaGoogle Maps listing
1Fixzer Construction 5.0 out of 5 on Google26Window installation serviceSouth Beloit 61080Google reviews
2Aurum Contracting 4.7 out of 5 on Google302Window installation serviceBeloit 53511Google reviews
3Forward Roofing 4.6 out of 5 on Google57Window supplierBeloit 53511Google reviews
4Country Glass, Inc. 4.7 out of 5 on Google15Window supplierBeloit 53511Google reviews
5Century Exteriors 4.1 out of 5 on Google7Window installation serviceBeloit 53511Google reviews

Questions to ask before you sign

  1. How long have you held your state license, and can I see the number?
  2. Is this a full-frame replacement or an insert into my existing frame, and why that one?
  3. Who pulls the permit, and does this change trigger an egress check on a bedroom window?
  4. What flashing and sill pan will you use, and in what order do you install them?
  5. If my home was built before 1978, is your crew lead-safe certified for this job?
  6. What's the completion date in writing, and what happens if the schedule slips?

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