Ewell Builders
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Electrician and General Contractor in Frederick Maryland and surrounding areas. Home Improvement Company in the greater tri state area
Hi neighbors 👋,
If you’ve been thinking about backup power for your home, we’re offering a 24kW Generac generator with a 200-amp transfer switch at a starting installation price.
Here’s what’s included:
• Covers 1 A/C zone + 1 main 200-amp service
• Smart load management (as required by code)
• WiFi monitoring through the Generac app
• Ecobee Pro thermostat for full system overview
• FREE add-ons & final system configuration if you’re in Montgomery, Frederick, Howard, Carroll, or Washington County
✅ We’re a licensed and insured Maryland contractor, and we take care of all required permits so the process is worry-free.
We’re local, professional, and happy to answer questions if you’re considering backup power for your home.
Stay safe and powered up ⚡
08/12/2025
The delivery of three extra units today kicked off a busy week on a highly positive note. 🤩🎉👏💪
07/16/2025
A gut renovation is currently underway in Hagerstown, Maryland, and the final result will be exceptionally impressive to behold. 🏗️💥🎉
12/25/2024
Merry Christmas and a happy new year!
11/08/2024
Our stay in Texas was a real success and we built this off grid system with some delays, but nothing that wasn't manageable.
10/17/2024
Road trip to Texas for an off the grid solar project.
08/21/2024
Keep us mind if you have any kind of emergency or want get some ideas for cost and plan a new project.
Your friendly neighborhood contractor.
08/27/2023
Sweet and tiny, what a gorgeous creation
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Frederick, MD
21702
Opening Hours
| Monday | 9am - 5pm |
| Tuesday | 9am - 5pm |
| Wednesday | 9am - 5pm |
| Thursday | 9am - 5pm |
| Friday | 9am - 5pm |