Lake Hiawatha, NJ's Highest-Rated Window Installers on Google
Lake Hiawatha's 10 listings below come from Google Maps rather than a state license file. IECC climate zone 5A sets the energy bar for a Lake Hiawatha window job no matter which kind of list a contractor's name comes from. Checked September 2026.
Google Maps ratings checked · How we rank
5AIECC climate zone · ENERGY STAR Northern zone
What Lake Hiawatha's climate means for your window spec
Weather at that level is one more reason the flashing and sill pan under a Lake Hiawatha window matter as much as the glass sitting in it.
So ask any Lake Hiawatha 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 1 mi away.
10 top-rated window replacement companies in and near Lake Hiawatha
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 | Taylor Rae Construction | 90 | Window installation service | Boonton Township 07005 | Google reviews | |
| 2 | Blue Nail Exteriors | 373 | Window installation service | Montville 07045 | Google reviews | |
| 3 | RWC Windows, Doors, Kitchens, & Baths | 264 | Window installation service | West Caldwell 07006 | Google reviews | |
| 4 | Window World of North Jersey | 235 | Window installation service | Fairfield 07004 | Google reviews | |
| 5 | CKG Contractors, Inc. | 161 | Window installation service | Parsippany 07054 | Google reviews | |
| 6 | The Window Source of North Jersey | 46 | Window installation service | Towaco 07082 | Google reviews | |
| 7 | New View Windows & Doors | 163 | Window installation service | East Hanover 07936 | Google reviews | |
| 8 | Window Nation | 60 | Window installation service | Whippany 07981 | Google reviews | |
| 9 | AGM Window and Door, LLc- Replacement Windows and Installations | 57 | Window installation service | East Hanover 07936 | Google reviews | |
| 10 | ACRE Windows & Doors | 36 | Window installation service | Montville 07045 | 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?