Top-Rated Window Replacement Companies in Hanover, NH
We don't have license data for window and glazing businesses in Hanover, NH the way we do for some other cities on this site. This page leans on Google Maps instead: 6 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
6AIECC climate zone · ENERGY STAR Northern zone
What Hanover's climate means for your window spec
IECC rates Hanover's climate zone as 6A, the starting point for any code-minimum window performance here.
ENERGY STAR places Grafton County in its Northern zone for window certification.
Normal temperatures run 22°F in January and 72°F in July, so the glass package worth paying for in Hanover isn't the same one that pencils out two zones over.
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 0.8 mi away.
6 top-rated window replacement companies in and near Hanover
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.
| Rank | Business | Google rating | Reviews | Category | Area | Google Maps listing |
|---|---|---|---|---|---|---|
| 1 | Portland Glass of West Lebanon | 180 | Window installation service | West Lebanon 03784 | Google reviews | |
| 2 | Marvin Design Gallery by Windows & Doors By Brownell | 14 | Window installation service | West Lebanon 03784 | Google reviews | |
| 3 | HP Roofing LLC | 101 | Window installation service | White River Junction 05001 | Google reviews | |
| 4 | Loewen Window Center of Vermont & New Hampshire | 5 | Window installation service | West Lebanon 03784 | Google reviews | |
| 5 | Hanover Handyman | 4 | Window installation service | Not listed | Google reviews | |
| 6 | Renewal by Andersen of Vermont | 48 | Window installation service | White River Junction 05001 | Google reviews |
Questions to ask before you sign
- How long have you held your state license, and can I see the number?
- Is this a full-frame replacement or an insert into my existing frame, and why that one?
- Who pulls the permit, and does this change trigger an egress check on a bedroom window?
- What flashing and sill pan will you use, and in what order do you install them?
- If my home was built before 1978, is your crew lead-safe certified for this job?
- What's the completion date in writing, and what happens if the schedule slips?