Lake Mary, FL's Highest-Rated Window Installers on Google
Lake Mary's 10 listings below come from Google Maps rather than a state license file. IECC climate zone 2A sets the energy bar for a Lake Mary window job no matter which kind of list a contractor's name comes from. Checked September 2026.
Google Maps ratings checked · How we rank
2AIECC climate zone · ENERGY STAR Southern zone
What Lake Mary's climate means for your window spec
Lake Mary sits in IECC climate zone 2A, the starting point for any code-minimum window performance here.
ENERGY STAR places Seminole County in its Southern zone for window certification.
Normal temperatures run 60°F in January and 83°F in July, so the glass package worth paying for in Lake Mary 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 4.4 mi away.
10 top-rated window replacement companies in and near Lake Mary
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 | Glass Doctor of Longwood, FL | 278 | Window installation service | Longwood 32779 | Google reviews | |
| 2 | Creative Remodeling of Orlando Siding and Windows | 188 | Window installation service | Winter Springs 32708 | Google reviews | |
| 3 | Window & Sliding Glass Door Repair | 91 | Window installation service | Sanford 32773 | Google reviews | |
| 4 | Solar-Tech Windows | 21 | Window supplier | Sanford 32771 | Google reviews | |
| 5 | Window World of Orlando | 842 | Window installation service | Sanford 32771 | Google reviews | |
| 6 | A-Lynn's Window Repairs Inc | 27 | Window supplier | Longwood 32750 | Google reviews | |
| 7 | Window Installs Sanford | 27 | Window installation service | Not listed | Google reviews | |
| 8 | Weathermaster Building Products, Inc. | 21 | Window installation service | Sanford 32771 | Google reviews | |
| 9 | Florida Window & Door Solutions | 89 | Window supplier | Altamonte Springs 32701 | Google reviews | |
| 10 | Sun Barrier Products | 42 | Window installation service | Longwood 32750 | 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?