Top-Rated Window Replacement Companies in Alpharetta, GA
We don't have license data for window and glazing businesses in Alpharetta, GA 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
3AIECC climate zone · ENERGY STAR South-Central zone
Climate and energy performance in Alpharetta
Weather at that level is one more reason the flashing and sill pan under a Alpharetta window matter as much as the glass sitting in it.
So ask any Alpharetta contractor how they handle both, not just which brand they carry.
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 9 mi away.
Google's top window installers serving Alpharetta, GA
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 | Perfection Roofing & Siding | 327 | Window installation service | Alpharetta 30022 | Google reviews | |
| 2 | A&E Glass Repair ,LLC | 161 | Window installation service | Atlanta 30350 | Google reviews | |
| 3 | NG Windows | 757 | Window installation service | Alpharetta 30009 | Google reviews | |
| 4 | Window Comfort | 254 | Window installation service | Roswell 30076 | Google reviews | |
| 5 | Synergy Windows of Atlanta | 210 | Window installation service | Roswell 30076 | Google reviews | |
| 6 | Apex Energy Solutions - Window Replacement & Entry Doors - Atlanta | 455 | Window installation service | Alpharetta 30022 | Google reviews | |
| 7 | Window World of Atlanta | 240 | Window installation service | Johns Creek 30097 | Google reviews | |
| 8 | The Glass Guru | 200 | Window installation service | Alpharetta 30005 | Google reviews | |
| 9 | First Rate Siding and Window Experts | 32 | Window installation service | Alpharetta 30022 | Google reviews | |
| 10 | Crescent Windows | 19 | Window installation service | Alpharetta 30005 | 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?