Top-Rated Window Replacement Companies in Commack, NY
We don't have license data for window and glazing businesses in Commack, NY the way we do for some other cities on this site. This page leans on Google Maps instead: 10 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
4AIECC climate zone · ENERGY STAR North-Central zone
Climate and energy performance in Commack
New York-Newark-Jersey City, NY-NJ piles up about 5,218 heating degree days in a normal year, against 855 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 5.4 mi away.
Google's top window installers serving Commack, 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 | Window Nation | 114 | Window installation service | Deer Park 11729 | Google reviews | |
| 3 | Royal Windows and Doors | 62 | Window installation service | Bay Shore 11706 | Google reviews | |
| 4 | Royal Windows and Doors | 55 | Window installation service | Commack 11725 | Google reviews | |
| 5 | Alpha Windows & Siding | 17 | Window installation service | Commack 11725 | Google reviews | |
| 6 | East Northport Windows | 14 | Window installation service | East Northport 11731 | Google reviews | |
| 7 | Tri State Window Factory | 167 | Window installation service | Deer Park 11729 | Google reviews | |
| 8 | Melville Window Replacement | 8 | Window installation service | Melville 11747 | Google reviews | |
| 9 | THE GLASS EMPORIUM INC. | 23 | Window installation service | Kings Park 11754 | Google reviews | |
| 10 | Smithtown Window Replacement and Doors | 14 | Window installation service | Smithtown 11787 | 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?