Lake Grove, NY's Highest-Rated Window Installers on Google

We don't have license data for window and glazing businesses in Lake Grove, NY the way we do for some other cities on this site. This page leans on Google Maps instead: 5 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 Lake Grove

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 4.5 mi away.

Google's top window installers serving Lake Grove, 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.

Top-rated window replacement contractors in and near Lake Grove, NY, with Google ratings
RankBusinessGoogle ratingReviewsCategoryAreaGoogle Maps listing
1First Class Remodeling Corp 5.0 out of 5 on Google53Window installation serviceStony Brook 11790Google reviews
2Infinity Replacement by Marvin 4.8 out of 5 on Google72Window installation serviceRonkonkoma 11779Google reviews
3Saint James Windows and Doors 4.7 out of 5 on Google12Window installation serviceSt James 11780Google reviews
4Smithtown Window Replacement and Doors 4.4 out of 5 on Google14Window installation serviceSmithtown 11787Google reviews
5Coram Glass & Mirror Inc 4.1 out of 5 on Google24Window installation serviceRonkonkoma 11779Google reviews

Questions to ask before you sign

  1. How long have you held your state license, and can I see the number?
  2. Is this a full-frame replacement or an insert into my existing frame, and why that one?
  3. Who pulls the permit, and does this change trigger an egress check on a bedroom window?
  4. What flashing and sill pan will you use, and in what order do you install them?
  5. If my home was built before 1978, is your crew lead-safe certified for this job?
  6. What's the completion date in writing, and what happens if the schedule slips?

More on New York →

Nearby New York listings

All cities in New York →