Gallagher Electric, Inc.

Gallagher Electric, Inc. Electrical Contractor, Home and small business Security and alarm monitoring Gallagher Electric, Inc. is a family owned and operated business.

We are electricians based out of Merrimack, NH and serve all of Southern New Hampshire. We pride ourselves on being clean and professional. is fully insured and licensed in NH, Maine and Mass. We are factory trained professionals with years of experience in home standby generator installations and service. We offer annual or semi annual preventive maintenance on all Generac generators that we may or may not have installed, to keep them running like new. We also offer full home security system installations, smart home automation, as well as Burglar alarm monitoring.

08/16/2026
08/15/2026

FREE 10 year extended warranty on all Generac home standby generator installations. Call for a free quote today! Generac Official

08/15/2026

Gallagher Electric, Inc. Generac Automatic home standby generator installations. FREE 10 Year extended warranty on all Generac generator installations!

install for this week.
07/06/2026

install for this week.

Happy 4th of July! Happy 250th America! Here’s Abby running the 5k.
07/04/2026

Happy 4th of July! Happy 250th America! Here’s Abby running the 5k.

Another install. If you are considering a home standby generator now is the time to get the ball rolling. Call use to...
07/03/2026

Another install. If you are considering a home standby generator now is the time to get the ball rolling. Call use to schedule a free in home consultation.

11/04/2025

Vote in any or all categories once per day November 2nd through November 9th EST!

Its that time of year again! We are nominated in two categories. Electrician and generator installers please vote for bo...
11/02/2025

Its that time of year again! We are nominated in two categories. Electrician and generator installers please vote for both!

Vote in any or all categories once per day November 2nd through November 9th EST!

Address

446 Daniel Webster Highway
Merrimack, NH
03054

Opening Hours

Monday 8am - 3:30pm
Tuesday 8am - 3:30pm
Wednesday 8am - 3:30pm
Thursday 8am - 3:30pm
Friday 8am - 3:30pm

Telephone

+16032646256

Website

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