Top-Rated Window Replacement Companies in Deer Park, NY
We don't have license data for window and glazing businesses in Deer Park, 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 Deer Park
Deer Park sits in IECC climate zone 4A, the starting point for any code-minimum window performance here.
ENERGY STAR places Suffolk County in its North-Central zone for window certification.
Normal temperatures run 32°F in January and 75°F in July, so the glass package worth paying for in Deer Park 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 5.3 mi away.
Google's top window installers serving Deer Park, 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 | Mikita Door & Window of North Babylon | 90 | Window installation service | Not listed | Google reviews | |
| 2 | Renewal by Andersen of Long Island | 3,315 | Window installation service | Farmingdale 11735 | Google reviews | |
| 3 | Egress Pros | 705 | Window installation service | West Babylon 11704 | Google reviews | |
| 4 | Window Nation | 114 | Window installation service | Deer Park 11729 | Google reviews | |
| 5 | Quick Roof and Siding Inc | 28 | Window installation service | Deer Park 11729 | Google reviews | |
| 6 | Master Windows Inc. | 36 | Window installation service | Melville 11747 | Google reviews | |
| 7 | Royal Windows and Doors | 55 | Window installation service | Commack 11725 | Google reviews | |
| 8 | F G GLASS SERVICES | 102 | Window installation service | Not listed | Google reviews | |
| 9 | Tri State Window Factory | 167 | Window installation service | Deer Park 11729 | Google reviews | |
| 10 | WindowRama | 141 | Window installation service | Brentwood 11717 | 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?