Amaury Castillo Electric Corp
- Website checked
Garneau Electric LLC
Electrical contractor in Windham, New Hampshire, installing and repairing standby generators and upgrading home electrical panels, with emergency service offered around the clock.
What they do
Garneau Electric, based in Windham, New Hampshire, installs standby generators for whole-home or essential-circuit backup power, with transfer switch work included in the installation. The company also repairs generator systems, including units that fail to start, shut down during operation or do not transfer power, and it handles panel upgrades that prepare a home for a generator. It is an authorized Generac dealer. A free estimate is offered before repair work begins. Emergency service is offered, and the company is open around the clock, every day. Financing is available. Work covers Windham, Salem, Nashua and Methuen, with service extending across southern New Hampshire and northern Massachusetts. The business was founded in 2020.
- Generator installs
- Backup power
Listed under Backup power
Where they work
What we checked
- Its own website lists this work: garneauelectric.com/residential/generator-installation (opens in a new tab), garneauelectric.com/residential/generator-repair (opens in a new tab)
Checked 12 Nov 2026, from public sources.
Not yet verified. We haven’t contacted this business yet. Ask for a written quote before work starts.
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