Top-Rated Window Replacement Companies in Holtsville, NY
Holtsville hasn't cleared the bar this site needs from a state license file to earn its own license page. So we searched Google Maps for window replacement company listings in Holtsville, NY and ranked the ones that qualified by rating and review count. 10 made the cut here.
Google Maps ratings checked · How we rank
4AIECC climate zone · ENERGY STAR North-Central zone
What Holtsville's climate means for your window spec
New York-Newark-Jersey City, NY-NJ piles up about 5,183 heating degree days in a normal year, against 885 on the cooling side of the ledger.
That's the load an ENERGY STAR-rated window in the North-Central 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 3.2 mi away.
10 top-rated window replacement companies in and near Holtsville
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 | Right Angle Roofing & Siding | 1,011 | Window installation service | Patchogue 11772 | Google reviews | |
| 2 | Long Island Roofing and Siding | 750 | Window installation service | Ronkonkoma 11779 | Google reviews | |
| 3 | King Quality Roofing and Siding | 3,067 | Window installation service | Bohemia 11716 | Google reviews | |
| 4 | C & L Aluminum and Glass | 87 | Window installation service | Bohemia 11716 | Google reviews | |
| 5 | Infinity Replacement by Marvin | 72 | Window installation service | Ronkonkoma 11779 | Google reviews | |
| 6 | Coast 2 Coast Roofing & Exteriors | 19 | Window installation service | Bohemia 11716 | Google reviews | |
| 7 | Island Wide Glass Repla used 202 | 45 | Window installation service | Patchogue 11772 | Google reviews | |
| 8 | Coram Glass & Mirror Inc | 24 | Window installation service | Ronkonkoma 11779 | Google reviews | |
| 9 | WindowRama | 46 | Window installation service | Patchogue 11772 | Google reviews | |
| 10 | Unified Home Remodeling | 41 | Window installation service | Patchogue 11772 | 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?