Your Panel Controls Everything in Your Home
Electrical Panel Upgrades in Southern NH
—VETERAN OWNED—
Serving Homeowners in Southern NH
A veteran-owned business with over 30 years of experience, Jolt Electric & HVAC handles electrical panel upgrades for homeowners and businesses throughout Southern New Hampshire. From a straightforward 200-amp upgrade to a full service entrance replacement, our licensed and insured electricians evaluate your system, explain your options in plain terms, and complete the work to code.
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Your electrical panel isn't something most people think about until it becomes a problem. Breakers that won't stay reset, lights that flicker when the dishwasher starts, no room to add a new circuit: these are all signs your panel is working too hard or isn't up to today's demands. A properly sized, modern panel handles current electrical loads without compromise and leaves room for what's coming next.
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Southern NH has a large stock of homes built in the 1970s, 80s, and 90s, many still running their original 100-amp panels. As homeowners add central AC, heat pumps, EV chargers, or finish a basement, those panels hit capacity fast. Upgrading before you add the next appliance avoids the situation where a contractor shows up and can't finish the job until the panel is addressed first.
Panel Upgrade Services for NH Homes and Businesses
No two panel jobs are identical. We look at your current amperage, your service entrance condition, and what you're planning to add before recommending anything.
100-Amp to 200-Amp Upgrades
Most NH homes built before 1990 came with 100-amp service, which was adequate at the time. Today, with EV chargers, heat pumps, central AC, and high-draw appliances running simultaneously, 100 amps isn't enough. A 200-amp upgrade gives your home the capacity to handle modern electrical demands and leaves headroom for future additions.
200-Amp to 400-Amp Upgrades
Larger homes, multi-unit properties, and commercial spaces sometimes need 400-amp service. This is common when adding multiple EV chargers, a whole-home standby generator, or significant new square footage.
Sub-Panel Installations
A finished basement, detached garage, or workshop is easier and cleaner to power from a dedicated sub-panel than by running a dozen individual circuits from the main panel. Sub-panels keep the installation organized, reduce voltage drop over long runs, and make any future electrical work straightforward.
Hazardous Panel Replacements
Federal Pacific Stab-Lok and Zinsco panels have well-documented failure modes. Their breakers can fail to trip under fault conditions, which creates a real fire hazard. If your home has one, replacement is long overdue. We swap it for a modern panel that meets current NH electrical code.
Signs You May Need a Panel Upgrade
Breakers trip frequently or won't hold after being reset
Lights dim or flicker when large appliances start
Burning smell or visible scorch marks near the panel
No open slots for new circuits
Planning to add an EV charger, generator, or hot tub
Your home still uses a fuse box instead of a breaker panel
Your panel is a Federal Pacific, Zinsco, or older split-bus model
Why Homeowners Choose Jolt
Locally Owned
and Operated:
We live and work where you do and are invested in the communities we serve.
5-Star
Customer Reviews:
We consistently earn 5-star ratings from our satisfied customers.
Fully Licensed & Insured:
We meet all state requirements and are fully insured for your peace of mind.
Reliable & Communicative:
We show up on time and clearly communicate every project detail.
Respect for
Your Home:
We treat your home as if it were one of our own and thoroughly clean up after every project.
Transparent Pricing:
We provide clear project estimates and pricing with no hidden surprises.
Get a Panel Upgrade Quote in Southern NH
If your panel is holding you back or showing warning signs, don't wait for a fault to force the issue. Jolt Electric & HVAC serves Litchfield, Manchester, Nashua, Bedford, Hudson, Merrimack, Londonderry, Amherst, Hollis, Milford, Derry, Windham, Salem, and surrounding Southern NH communities. Call (603) 402-1955 or get a free instant quote online. Our team also handles full home electrical services for whole-home projects and commercial electrical for businesses across the state.
Frequently Asked Questions
Yes. Jolt Electric & HVAC provides residential electrical services for homeowners throughout Southern New Hampshire, including Litchfield, Manchester, Amherst, Nashua, Merrimack, Bedford, Hudson, and nearby towns.
​Yes. Jolt Electric & HVAC provides electrical panel services for homeowners. If your lights flicker, breakers trip frequently, or you are adding new appliances or an EV charger, our electricians can inspect your system and recommend the best solution for safe, reliable power.
Yes. Jolt Electric & HVAC installs Level 2 EV chargers for homeowners throughout Southern New Hampshire. Our team can help you choose the correct charger for your vehicle, ensure proper wiring and panel capacity, and complete a safe, code-compliant installation.
You can schedule residential electrical service by contacting Jolt Electric & HVAC online or calling (603) 402-1955. You can also request a quote through the website.
Request an Estimate
Whether you need electrical, heating, or cooling services, Jolt Electric is here to help. Our team is dedicated to delivering high-quality work, transparent pricing, and unparalleled customer service to homeowners and businesses throughout New Hampshire.
What Our Customers Say
At Jolt Electric & HVAC, we prioritize quality work and strong customer relationships, and it shows in our many outstanding reviews. We aim to deliver that same level of excellence for you.
Service Area:
We proudly serve homeowners and businesses throughout Southern New Hampshire, including Litchfield, Nashua, Londonderry, Milford, Merrimack, Hudson, Manchester, Amherst, Hollis, and Bedford.