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

Google's Top-Rated Window Pros Near Duluth, MN

Duluth's 10 listings below come from Google Maps rather than a state license file. IECC climate zone 7 sets the energy bar for a Duluth window job no matter which kind of list a contractor's name comes from. Checked October 2026.

Google Maps ratings checked · How we rank

7IECC climate zone · ENERGY STAR Northern zone

What Duluth's climate means for your window spec

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

So ask any Duluth 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 2.1 mi away.

10 top-rated window replacement companies in and near Duluth

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 Duluth, MN, with Google ratings
RankBusinessGoogle ratingReviewsCategoryAreaGoogle Maps listing
1Renewal by Andersen 5.0 out of 5 on Google539Window installation serviceSuperior 54880Google reviews
2Peak Construction Roofing 4.9 out of 5 on Google156Window installation serviceDuluth 55811Google reviews
3Mad City Windows & Baths of Duluth 4.8 out of 5 on Google467Window installation serviceDuluth 55802Google reviews
4Window World Twin Ports Region 5.0 out of 5 on Google32Window installation serviceDuluth 55806Google reviews
5Morins Exteriors 4.8 out of 5 on Google116Window installation serviceProctor 55810Google reviews
6The Glass Guru 4.7 out of 5 on Google143Window installation serviceDuluth 55811Google reviews
7Your Home Improvement Company - Windows & Bath 4.6 out of 5 on Google346Window installation serviceDuluth 55811Google reviews
8Perrault Construction 4.3 out of 5 on Google114Window installation serviceSuperior 54880Google reviews
9Heritage Window & Door 4.3 out of 5 on Google28Window installation serviceSuperior 54880Google reviews
10Walsh Building Products 4.2 out of 5 on Google28Window supplierDuluth 55807Google 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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