Replacement Windows Near MeWindow contractors backed by a license record or a Google rating

Google's Top-Rated Window Pros Near Machesney Park, IL

Machesney Park's 10 listings below come from Google Maps rather than a state license file. IECC climate zone 5A sets the energy bar for a Machesney Park window job no matter which kind of list a contractor's name comes from. Checked October 2026.

Google Maps ratings checked · How we rank

5AIECC climate zone · ENERGY STAR Northern zone

What Machesney Park's climate means for your window spec

Winnebago County sees about 38.6 inches of precipitation and 38.0 inches of snow in a normal year.

Weather at that level is one more reason the flashing and sill pan under a Machesney Park window matter as much as the glass sitting in it.

So ask any Machesney Park contractor how they handle both, not just which brand they carry.

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 3.5 mi away.

10 top-rated window replacement companies in and near Machesney Park

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 Machesney Park, IL, with Google ratings
RankBusinessGoogle ratingReviewsCategoryAreaGoogle Maps listing
1Castle Contracting 4.9 out of 5 on Google155Window installation serviceMachesney Park 61115Google reviews
2Top Notch Roofing & Exteriors, INC. 4.9 out of 5 on Google115Window installation serviceLoves Park 61111Google reviews
3Pro Restoration LLC 4.8 out of 5 on Google399Window installation serviceMachesney Park 61115Google reviews
4Window World of Rockford 4.7 out of 5 on Google446Window installation serviceLoves Park 61111Google reviews
5KobyCo Door & Window 4.7 out of 5 on Google174Window installation serviceLoves Park 61111Google reviews
6XL Contracting 4.7 out of 5 on Google122Window installation serviceRoscoe 61073Google reviews
7K&H Exteriors 4.7 out of 5 on Google99Window installation serviceRoscoe 61073Google reviews
8Stateline Windows & Doors 5.0 out of 5 on Google5Window installation serviceMachesney Park 61115Google reviews
9Rockford Siding and Windows LLC 4.4 out of 5 on Google84Window installation serviceLoves Park 61111Google reviews
10Chris Stewart Home Improvements LLC 4.3 out of 5 on Google6Window installation serviceMachesney Park 61115Google 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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