Google's Top-Rated Window Pros Near Islip, NY
Islip 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 Islip, NY and ranked the ones that qualified by rating and review count. 7 made the cut here.
Google Maps ratings checked · How we rank
4AIECC climate zone · ENERGY STAR North-Central zone
Climate and energy performance in Islip
New York-Newark-Jersey City, NY-NJ piles up about 5,148 heating degree days in a normal year, against 853 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 6.6 mi away.
Google's top window installers serving Islip, NY
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 | Prestige Window and Door Repair Long Island | 229 | Window installation service | Hauppauge 11788 | Google reviews | |
| 2 | Champion Glass | 125 | Window installation service | Oakdale 11769 | Google reviews | |
| 3 | Window Nation | 114 | Window installation service | Deer Park 11729 | Google reviews | |
| 4 | V&P Siding & Window Corp | 42 | Window installation service | West Islip 11795 | Google reviews | |
| 5 | Royal Windows and Doors | 62 | Window installation service | Bay Shore 11706 | Google reviews | |
| 6 | EcoView Windows of Long Island | 116 | Window installation service | Islandia 11749 | Google reviews | |
| 7 | Baradzi Glass Inc | 20 | Window installation service | Bay Shore 11706 | 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?