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Find Electrical for home addition or remodel installers in Dennis

Avatar for Champion Electrical Services Inc
Champion Electrical Services Inc
5.0(
54
)

Serving Dennis, MA and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

At Champion Electrical Services, we believe homeowners deserve better. No more no-shows, rushed work, or upsells you don't need. We built this company to do things right - with respect, craftsmanship, and pride. Every project is treated like it's being done in our own home: clean, code-compliant, and built to last. Whether you need a panel upgrade, EV charger, generator, or quick repair, we show up when it counts and earn your trust every time. \nLicensed, insured, and proudly serving MA & RI. \nWhen the lights go out, don't call just anyone. Call the Champ.\n\n(774) 331-3500 \nCalltheChamp.com \nHello@CallTheChamp.com

My jobs
My jobs
My jobs
My jobs
My jobs

+17

216 neighbors recently requested a quote
Avatar for Cotti-Johnson Heating-Cooling-Electrical
Cotti-Johnson Heating-Cooling-Electrical
4.7(
166
)

Serving Dennis, MA and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1948

Free estimates

Emergency services offered

"Jason and his team with Cotti-Johnson did an excellent job updating our electrical boxes, installing the washer/dryer hookup, and getting us setup with a generator! Sam, our assigned electrician, even took the time to go through the entire operation of the generator from A-Z. I would definitely recommend them for any electrical work!"
Navien Install
Backflow
Outdoor Shower
Well Tank Replacement
Filtration Installation

+62

Response time10 hrs
64 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for NAX Electrical Services, LLC
NAX Electrical Services, LLC
4.4(
7
)

Serving Dennis, MA and surrounding areas

Approved

In business since 2022

Emergency services offered

Small jobs welcome

"Would recommend Juan to anyone in need of electrical work. His expertise and knowledge base were a huge help throughout. He helped piece together work where other contractors were lacking and his suggestions for improvement were on point. Always punctual, attentive and reliable."
The Lofts
The Lofts
Response time2 hrs
Response rate85%
Recommended by85%of homeowners
Springer Electric, Inc.
5.0(
3
)

Serving Dennis, MA and surrounding areas

Approved

In business since 2009

Free estimates

Credit card accepted

"Springer Electric team ( Dave, Nick, Zack) worked at my home doing full upgrade of all electrical on my basement. Additionally added outlets, fixed light fixtures and added over 7 smoke carbon alarms. They did a superior job! They show up on time and on schedule. They are all professional, respectful, efficient, knowledgeable and very experienced. They cover the floors and do a thorough cleanup too. I have had them do work on my home over the last 15 years. Nancy"
Recommended by100%of homeowners
Avatar for Mr Cape Electrician
Mr Cape Electrician
4.3(
10
)

Serving Dennis, MA and surrounding areas

Approved

In business since 2020

Emergency services offered

Customers say: True professional

"Sean and Jr came in and installed recessed lighting through out the whole house. They even suggested a more energy efferent lights than I had wanted. Now my house is brighter with out my electric bill going up! They will also be helping me update my home to more smart home technology in the Fall. I refer everyone to them when asking for an electrician."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+16

Response time11 hrs
4 neighbors recently requested a quote
Recommended by77%of homeowners
Avatar for Northeast Power, LLC
Northeast Power, LLC
5.0(
3
)

Serving Dennis, MA and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"My solar inverter stopped working in my existing solar system, and since my original installer went out of business, I had a hard time finding someone to replace the inverter provided by SolarEdge. It was a small job, and most large companies weren’t interested, while those willing to help were booked out for at least a couple of months. I contacted Justin, and he replaced the inverter within just a few days. He was very friendly, efficient, and offered a very reasonable price. Justin was also extremely knowledgeable, explained everything clearly, and kept me updated throughout the process. He arrived on time, completed the work neatly, and made sure the system was running perfectly before leaving. Overall, his professionalism, honesty, and dedication to customer satisfaction made the whole experience stress-free and smooth."
Northeast Power
Northeast Power
Northeast Power
Northeast Power
Northeast Power

+2

16 neighbors recently requested a quote
Recommended by66%of homeowners
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FAQs for electrical for home addition or remodel installation projects in Dennis, MA

Because installing coax outlets involves working around existing electrical wiring and confirming proper grounding, many homeowners prefer to hire a licensed electrician. A professional completes the work safely, secures the line behind the wall, and ensures the installation meets local code, which reduces the risk of damage or future repairs.

You still need a coaxial outlet for most cable-based internet services. The modem draws its signal from a cable line that terminates at a dedicated wall jack. Once the modem is online, your Wi-Fi router can broadcast the signal throughout the home, so the outlet’s location doesn’t affect wireless performance. If an existing jack is damaged or in an inconvenient spot, an electrician can move it or install a new one to maintain a strong, reliable connection.

Coaxial cable loses signal strength the farther it runs. A 50-foot length introduces noticeable loss, and a 100-foot stretch can drop the signal by roughly 30%. A weaker signal can result in a fuzzy picture or slower internet speeds. To maintain high performance, limit cable length whenever possible, select the correct cable grade, and route it efficiently. If your layout demands an exceptionally long run, an electrician can install an inline amplifier to boost the signal and maintain picture or data quality.

The Dennis, MA homeowners’ guide to electrical for home addition or remodel installations

From average costs to expert advice, get all the answers you need to get your job done.