Homeowners Have a Reliable Electrician in Merrimack, NH

Finding a reliable electrician in Merrimack shouldn't mean leaving voicemails and waiting days for a response. O'Keefe & Flanagan Electric is a locally owned, Concord-based electrical contractor serving Merrimack and the broader central and southern New Hampshire area. We answer the phone, schedule real appointments, show up, and complete the job as promised.

Mini Split Installation and Generator Work in Merrimack

Two services drive more calls from Merrimack residents than almost anything else we offer: mini split electrical installation and whole-home generator installation. We've built our workflow around both services, and we use preferred equipment to support every installation.

Mini Split Electrical Installation

We perform the electrical side of mini-split installations using Samsung equipment, a brand we use specifically for its reliability and the support Samsung provides as a preferred dealer. Residents across New Hampshire choose mini splits for year-round comfort and energy efficiency, particularly in spaces that don't connect well to existing ductwork. We scope and complete the electrical installation, so the system is wired correctly and ready to run.

Generator Installation for Merrimack Homes

Power outages are a real part of life in New Hampshire, and a standby generator changes how your household responds to them. We install Generac generators for Merrimack residents who want dependable backup power without the uncertainty of portable units. If you're considering a whole-home generator, we can walk you through the installation process and help you determine which system size best fits your home.

Electrical Services Merrimack Residents Call Us For

Many of our calls are from people who've noticed something that needs attention: a panel running out of capacity, old wiring flagged by an insurance company, a renovation project that needs circuits added, or a hot tub that needs to be hooked up. We handle all of it on the residential side, and we'll tell you directly what the work involves before we start.

Panel Upgrades and Service Upgrades

Older homes in the Merrimack area often have panels that weren't designed to handle today's electrical loads. When you're adding appliances, finishing a basement, improving electrical safety, or dealing with a panel that trips constantly, a service panel upgrade is usually the right next step. We assess what your home currently has and size the upgrade to meet your actual needs.

Knob and Tube Wiring Removal

Knob and tube wiring shows up regularly in older homes throughout the region, and insurance carriers increasingly won't cover homes that still have it active. We offer knob and tube removal and bring the affected circuits up to current code standards. It's one of those projects people put off, but it tends to come up quickly once a policy renewal or home sale is on the horizon.

EV Charger Installation

Level 2 home charging makes an electric vehicle significantly more practical for daily use, and the installation is simpler when you have the right panel capacity. We install EV chargers in Merrimack and assess whether your existing service needs any upgrades to support the new circuit. If you're getting a new vehicle or already have one relying on a standard outlet, it's worth having the conversation.

Kitchen and Bath Electrical Wiring

We handle the electrical scope of kitchen and bathroom renovations, including new circuits, outlet placement, lighting runs, and code compliance for the work required for your project. We coordinate closely with the contractor leading the remodel to ensure the electrical portion doesn't delay anything. If you're working through a kitchen or bath renovation and need the electrical handled separately, that's exactly what we do.

Pool, Spa, and Outdoor Electrical

Pool and spa electrical work requires greater attention to code and bonding requirements than standard residential wiring. We handle the electrical side of the pool and spa in Merrimack, including hot tub hookups and the bonding requirements that come with them. Outdoor lighting installation falls under this scope as well, whether you're adding landscape lighting or wiring fixtures along a driveway or deck.

Troubleshooting and Electrical Repairs

A breaker that keeps tripping or a circuit that won't hold power are common issues for customers who know something is wrong but aren't sure what. We diagnose and repair residential electrical issues across Merrimack and schedule those visits the same way we handle installation work.

Residential and Commercial Electrical Work in Merrimack

Most of our work involves residential electrical services for local homeowners. Merrimack homeowners make up the core of our customer base, and that focus shapes how we approach scheduling, communication, and the work itself. We also take on commercial electrical work for businesses in the area, though it represents a smaller portion of our overall volume.

Why Merrimack Residents Trust O'Keefe & Flanagan Electric

Electrical projects are less stressful when you're confident in the work being done and trust the company completing it.

​O'Keefe & Flanagan Electric holds Master and Corporation Electrical Licenses and carries the insurance required for working in New Hampshire homes. We're accredited by the Better Business Bureau, and our team undergoes background checks before working in your home. We're locally owned and have grown steadily since we launched in 2020, now operating with nine employees who are accountable to the same standards the company was built around.

We've been recognized as Concord's top electrician for both 2023 and 2024, reflecting the way we approach work throughout the region, including Merrimack. We also have many positive customer reviews mentioning our quality work and professionalism.

On the product side, our Samsung Preferred Dealer status means we source mini-split equipment through a vetted channel and stand behind the installations we complete. For generator work, our relationship with Generac gives us access to the equipment and support that make standby generator installations go smoothly.

Free estimates are available on qualifying work. If you'd like to explore financing, we offer various payment terms and loan amounts.

Common Questions About Electrical Work in Merrimack

Do you serve Merrimack or only the Concord area?

We serve Merrimack and the surrounding communities throughout central and southern New Hampshire. Concord is our home base, but our service area extends well beyond it. If you're looking for a qualified electrician in Merrimack, we're set up to serve you the same way we serve our Concord customers.

What electrical services do you offer for home remodeling projects in Merrimack?

We handle the entire electrical scope of work on remodeling projects and new construction. That includes wiring, panel work, circuit additions, and code compliance for the work being done. We work alongside whoever is running the broader project. Our role is to ensure the electrical work is done correctly and doesn't become the bottleneck that delays your project timeline.

Do you offer free estimates for electrical work?

Yes, free estimates are available. When you call us, we'll talk through what you're dealing with, schedule a time that works for you, answer your questions, and give you a clear picture of what the work involves before anything moves forward. We don't believe in vague quotes or surprise scopes.

What should I do if a breaker keeps tripping or the power goes out in my home?

Persistent breaker trips or unexplained power loss are worth having a licensed electrician look at. These issues can point to an overloaded circuit, a panel at capacity, or a wiring issue that's stressing the system. Call us and describe what's happening. We'll help you decide whether it needs immediate attention or can be scheduled as a standard visit.

Talk to an Electrician in Merrimack, NH

If you've been putting off an electrical project or you're not sure who to call, we're a straightforward option. We serve Merrimack homeowners with the same responsiveness and licensed workmanship we've built our reputation on across the region. Free estimates are available, and getting started is as simple as reaching out.

Contact us to schedule a visit or ask about your project.