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Electrical wiring or panel upgrade pros in Keene

Nicholas S Stadelmann
62B Thayer Road
New on HomeAdvisorNew on Angi
Approved Pro
Nicholas S Stadelmann
62B Thayer Road
New on AngiNew on HomeAdvisor
Approved Pro
2 years of experience
Free onsite estimate

Nicholas S Stadelmann is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!

Nicholas S Stadelmann is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!


Avatar for A2K Electric, LLC
A2K Electric, LLC
50 Melvin Bridge Rd
5.00(
5
)
Approved Pro
A2K Electric, LLC
50 Melvin Bridge Rd
5.00(
5
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
3 years of experience

We take great pride in offering the best possible experience with our expertise, quality, and customer service. In order to understand the needs and expectations of our clients; we take great care to work and communicate with everyone in a professional manner. It is our mission to exceed our clients expectations by providing excellent workmanship and complete customer satisfaction, from the start of each project to its completion. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Job was absolutely fantastic. Will be hiring them again with my next project."

Brenda N on August 2023

We take great pride in offering the best possible experience with our expertise, quality, and customer service. In order to understand the needs and expectations of our clients; we take great care to work and communicate with everyone in a professional manner. It is our mission to exceed our clients expectations by providing excellent workmanship and complete customer satisfaction, from the start of each project to its completion. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Job was absolutely fantastic. Will be hiring them again with my next project."

Brenda N on August 2023


Avatar for HEWITT ELECTRIC LLC
HEWITT ELECTRIC LLC
18 Streeter Hill Rd
5.00(
2
)
Approved Pro
HEWITT ELECTRIC LLC
18 Streeter Hill Rd
5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
5 years of experience

HEWITT ELECTRIC LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"Nick and John were amazing. They addressed all of my questions and fixed some things that had not been on the initial estimate. Their price was fair and any add ones we discussed first. Five star electrician. Replaced my whole electrical panel and make it look like a piece of art. Can not say Thank you enough."

Gynger L on January 2025

HEWITT ELECTRIC LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"Nick and John were amazing. They addressed all of my questions and fixed some things that had not been on the initial estimate. Their price was fair and any add ones we discussed first. Five star electrician. Replaced my whole electrical panel and make it look like a piece of art. Can not say Thank you enough."

Gynger L on January 2025


Avatar for Seventh Gen Solar LLC
Seventh Gen Solar LLC
26 Oak Street
4.20(
5
)
Approved Pro
Seventh Gen Solar LLC
26 Oak Street
4.20(
5
)
Approved Pro
5 years of experience
Free onsite estimate

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!


Avatar for Noyes Electric
Noyes Electric
144 Twin Brook Rd
5.00(
13
)
Approved Pro
Noyes Electric
144 Twin Brook Rd
5.00(
13
)
Approved Pro
3 years of experience
Free onsite estimate

We offer over 16 years of experience in the electrical industry. We take on a wide range of electrical projects to include full installation for additions and remodels as well as wiring and panel upgrades and a variety of other jobs. We’re committed to providing a personalized service for each individual project we take on & look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

"He was very experienced, listened to what I wanted done, prices were very reasonable and very thorough and polite. I would absolutely hire him again and recommend him highly to others."

Jeanna M on April 2025

We offer over 16 years of experience in the electrical industry. We take on a wide range of electrical projects to include full installation for additions and remodels as well as wiring and panel upgrades and a variety of other jobs. We’re committed to providing a personalized service for each individual project we take on & look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

"He was very experienced, listened to what I wanted done, prices were very reasonable and very thorough and polite. I would absolutely hire him again and recommend him highly to others."

Jeanna M on April 2025


Cote Electric, LLC
555 Valley St
5.00(
10
)
Approved Pro
Cote Electric, LLC
555 Valley St
5.00(
10
)
Approved Pro
31 local quotes requested
38 years of experience

Cote Electric, LLC is a Manchester, New Hampshire-based electrical contractor specializing in residential, commercial, and industrial services. Established in 1987, the company has over 30 years of experience providing integrated electrical solutions throughout Northern New England.

"Polite and explained the problem well. Also showed me how to check the computer for operation"

Brenda A on April 2025

Cote Electric, LLC is a Manchester, New Hampshire-based electrical contractor specializing in residential, commercial, and industrial services. Established in 1987, the company has over 30 years of experience providing integrated electrical solutions throughout Northern New England.

"Polite and explained the problem well. Also showed me how to check the computer for operation"

Brenda A on April 2025


Avatar for Granite State Solar
Granite State Solar
57 Ryan Rd
New on HomeAdvisorNew on Angi
Approved Pro
Granite State Solar
57 Ryan Rd
New on AngiNew on HomeAdvisor
Approved Pro
111 local quotes requested
17 years of experience

Granite State Solar creates resilient energy systems for homes and businesses throughout New Hampshire. We meet your energy needs with custom generator, battery backup and solar panel installations.

Granite State Solar creates resilient energy systems for homes and businesses throughout New Hampshire. We meet your energy needs with custom generator, battery backup and solar panel installations.


Avatar for Peak Power Solutions
Peak Power Solutions
Local
4.50(
8
)
Approved Pro
Peak Power Solutions
Local
4.50(
8
)
Approved Pro
Customers say: Quick response
75 local quotes requested
7 years of experience

We believe in providing the highest quality electrical work and customer service. Peak Power Solutions LLC is family a owned and operated business and have all intentions of treating every customer as our family!

"Awesome job!"

Larry J on June 2024

We believe in providing the highest quality electrical work and customer service. Peak Power Solutions LLC is family a owned and operated business and have all intentions of treating every customer as our family!

"Awesome job!"

Larry J on June 2024


Avatar for Callahan Electric
Callahan Electric
76 Old Marsh Hill Road
5.00(
5
)
Approved Pro
Callahan Electric
76 Old Marsh Hill Road
5.00(
5
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
10 years of experience

New construction/ Remodels Kitchen and Bathrooms Pools and Spas Heating and cooling systems Whole House and Portable Generators Service upgrades and Panels changes Solar and Battery Systems EV Car Chargers

"Jerry was very communicative and explained everything very clearly. He arrived on time, completed the work quickly, and was affordable. Overall we are very happy with his service!"

Abbygail Z on January 2025

New construction/ Remodels Kitchen and Bathrooms Pools and Spas Heating and cooling systems Whole House and Portable Generators Service upgrades and Panels changes Solar and Battery Systems EV Car Chargers

"Jerry was very communicative and explained everything very clearly. He arrived on time, completed the work quickly, and was affordable. Overall we are very happy with his service!"

Abbygail Z on January 2025


Bear Electric
PO Box 634, 679 Main Street
No reviews
Bear Electric
PO Box 634, 679 Main Street
No reviews
34 years of experience

Bear Electric provides complete electrical service to the greater New England area, with high quality designs and installations that go beyond the minimum code standards. Our quality and attention to detail create superior installations resulting in greater value to our customers.

Bear Electric provides complete electrical service to the greater New England area, with high quality designs and installations that go beyond the minimum code standards. Our quality and attention to detail create superior installations resulting in greater value to our customers.

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Electrical wiring or panel upgrades FAQs

A whole-house surge protector blocks voltage spikes from lightning, grid issues, or even large appliances before they can fry your wiring or electronics. By diverting excess current at the main panel, it shields everything from your HVAC to your phone chargers and can extend the life of pricey appliances. Homeowners in storm-prone regions or with older panels see the biggest payoff, but any home that relies on sensitive electronics benefits.

Most whole-house surge protectors work for two to three years. Low-level spikes—too small to notice—hit your panel every day and slowly wear down the internal components. Once the unit’s capacity is depleted, it can’t prevent a larger surge, so plan to replace it on schedule (or sooner if a major lightning strike occurs) to keep your electronics and HVAC equipment safe.

A surge protector begins guarding your circuits the moment an electrician snaps it into place. Whether the spike originates from a nearby lightning strike or your fridge kicking on, the protector shunts the extra current to ground before it can reach outlets or hard-wired systems, such as your AC. That instant response is why a small upfront cost can save thousands in appliance repairs.

The unit mounts on or next to your main electrical panel. Type 1 models sit on the supply side, catching outside spikes before they hit the breaker. Type 2 devices snap inside the panel and tame surges that start within the house. Either way, placement at the panel lets the protector guard every circuit at once.

Plan to swap the device every three to five years—or sooner if you upgrade your panel, add high-demand appliances, or notice flickering lights and tripped breakers. Relying on a maze of power strips is another red flag that your current setup isn’t keeping up. Replacing the surge protector at these milestones keeps your electrical system on safe footing.

The homeowners guide to electrical wiring or panel upgrades
From average costs to expert advice, get all the answers you need to get your job done.
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