Apex Energy Solutions - Window Replacement & Entry Doors - Madison
windows
Serving Madison, WI
From Google Business Profile
4.9
40 Google reviews
Hours
| Monday | 9 AM–6 PM |
| Tuesday | 9 AM–6 PM |
| Wednesday | 9 AM–6 PM |
| Thursday | 9 AM–6 PM |
| Friday | 9 AM–6 PM |
| Saturday | Closed |
| Sunday | Closed |
Google categories: Window installation service
View on Google Maps →Last checked October 25, 2026.
More from Google Business Profile
Listed features
- Accessibility
- Wheelchair accessible parking lot
Photos on Google: 86
Recent Google reviews (excerpts)
Written by Google users, not by EdgeLocal. EdgeLocal has not verified them and does not show reviewer names.
1 out of 5 stars · Jul 2026
We hired this company to replace all of the windows in our home and install a new patio door. Unfortunately, after our sales representative, Jeff, left the company, our experience went downhill quickly. Jeff was easy to work with. His…
5 out of 5 stars · Oct 2025 · Owner replied
Premium quality at an incredibly reasonable price. To be clear, this isn't budget windows, but if money is tight they have financing and the quality is worth it if you can manage it. The only other time we've had such a rapid improvement…
5 out of 5 stars · Mar 2025
Replacing the windows in our mid-century home with Apex was a breeze! I’m so glad we were home when they knocked on our door last fall, as updating our original windows for better energy efficiency was already on our radar, but we had been…
The owner replied to 1 of the 5 most recent reviews Google showed.
From Google Business Profile, last checked October 25, 2026.
About window installers in Madison
Window contractors replace and install energy-efficient windows and patio doors. Window installers measure and replace old windows with insert or full-frame units, install new construction windows, egress windows, patio doors and storm windows, and fix drafts, rot and failed seals.
Typical cost: $650–$1,500 per window installed. See the full cost guide
Typical U.S. ranges from industry sources (2024–25); not EdgeLocal data. Your quote will vary with scope, materials and location.
Questions to ask this contractor
- Compare U-factor and energy ratings: Look for ENERGY STAR ratings for northern climates.
- Ask about installation method: Confirm flashing, insulation and trim details.
- Check lead-safe practices: Pre-1978 homes need EPA RRP certified contractors.