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TRUSTED BY NEW LONDON, CT HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon511
    Verified electrical services reviews

Top-Rated Electricians in New London - Updated Nov 2026

Avatar for Cawiamca Heating, Cooling, and Electrical
Cawiamca Heating, Cooling, and Electrical
5.0(
96
)
Electrical Switches, Outlets & Fixtures - Install or RepairElectrical Wiring or Panel UpgradeElectrical for Home Addition or Remodel - Install+12 more

Serving New London, CT and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Free estimates

Emergency services offered

"I'd like to give a AAA+ rating to Ron and Jeremy owners of Cawiamca LLC. These guys are top notch! Ron provided competitive pricing for my new furnace system and installation. Jeremy did the install in less than a full day. I've had the system for little over a year. They came back this fall for an annual cleaning and I signed up with them for a service contract. Fast forward to December 24th Christmas eve. We lost power in Essex and my generator tripped the furnace off due to a surge. I called Ron who was out of state at the time. He phoned me back within 15 minutes. He then sent Jeremy over to survey and fix the problem. Jeremy explained he was on his way out for family festivities when Ron called. He got it up and running quickly. It was a very nice Christmas present for me. I can't stress enough how rare great customer service is these days. Cawiamca LLC. provides awesome customer service! —John M, Essex CT"
Variable Refrigerant Flow Cold Weather Heat Pump in East Lyme
VRF Cold Weather Heat Pump in Groton
Additional Photos
Additional Photos
Response time8 hrs
31 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for JL Electric LLC
JL Electric LLC
5.0(
7
)
Electric Vehicle Charging Station Installation - Materials Not ProvidedElectric Vehicle Charging Station Installation - Materials Provided by ConsumerElectrical Switches, Outlets & Fixtures - Install or Repair+2 more

Serving New London, CT and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"He's been the best electrician I've ever dealt with. I was extremely impressed and shocked. not only did he do a phenomenal job, but it's immaculate. There is not a little bit of wire sitting standing anywhere. He cleaned up, he was lovely, he didn't talk much, but you know, he was very busy all day because our entire electrical panel had been blown out from that storm. This is the 1st time since July 4 that we have not been sitting in our house with the lights flashing on and off."
Tesla Charger Install
Tesla Charger Install
Generator Transfer
Generator Transfer
Outside lights

+2

Avatar for Biagiarelli Electric
Biagiarelli Electric
5.0(
8
)
Electrical Switches, Outlets & Fixtures - Install or RepairElectrical Wiring or Panel UpgradeElectric Vehicle Charging Station Installation - Materials Provided by Consumer+2 more

Serving New London, CT and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"If you are looking for an excellent electrician, start with this company first! I found Ben to be knowledgeable and professional. He did an inspection of our electrical issues and came back promptly and took care of the repairs. He made sure that everything was safe. I also feel that he did not overcharge me. He promptly provided a report to the Bldg Inspector, which was required for occupancy after our fire."
Our Projects
Our Projects
Response time5 hrs
22 neighbors recently requested a quote
Recommended by71%of homeowners
Avatar for Cawiamca, LLC
Cawiamca, LLC
5.0(
43
)
Electric Vehicle Charging Station Installation - For Business - Materials Not ProvidedElectric Vehicle Charging Station Installation - For Business - Materials Provided by ConsumerElectric Vehicle Charging Station Installation - Materials Not Provided+11 more

Serving New London, CT and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

"After meeting Ron the owner, he educated me of the benefits of replacing my 25 year old oil furnace and central air unit with a very efficient HEAT PUMP/AC unit. A real no Brainer decision. All electric, energy star rated and no more fuel oil. After a very reasonable quote, with veterans discount, I said I'm in. Two of his Team showed up on a Wednesday around 8am and by Friday around Noon my AC was on. Friendly, professional, attention to detail. Would highly recommend Cawiamca for all Heating and AC projects. Great company."
Steam Boiler
New Boiler Install
New Home Saybrook
Custom built in in progress
Addition in progress

+2

Response time4 hrs
Recommended by100%of homeowners
Avatar for Stimson & Abney Electric
Stimson & Abney Electric
5.0(
3
)
Electric Vehicle Charging Station Installation - Materials Not ProvidedElectric Vehicle Charging Station Installation - Materials Provided by ConsumerElectrical Wiring or Panel Upgrade+2 more

Serving New London, CT and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

"I had a small electrical fire on a Saturday from out dated cloth wire. These guys showed up got it fixed to where my house was safe and came back on a Sunday to get it 100 percent done rewiring my out door lights for my front door. Amazing professional work. They came back a little later and re wiring my entire house for me new panel new wires handled the permit. I can’t say enough about their work and professionalism I have no issue leaving them a key to work while I’m not home. Again amazing quality work"
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Showing 1-10 of 132
Electrical FAQs, answered by experts

For electrical projects in New London, choose materials that stand up to coastal humidity and salt air. Use marine-grade copper wiring for corrosion resistance, and select weatherproof electrical boxes and fittings for added protection. Opt for THWN-2 or XHHW-2 wires, which are moisture-resistant, and always install GFCI outlets in damp or outdoor areas. Ensure all supplies meet local electrical codes for safe, long-lasting results.

Helpful?

New London’s coastal climate brings high humidity, salt air, and cold winters, all of which can impact electrical wiring and fixtures. Moisture and salt can speed up corrosion, so using weather-resistant materials is crucial. Secure outdoor installations to withstand storms and wind. Schedule major electrical upgrades in spring or fall for safer, more comfortable working conditions, and always check for signs of moisture damage in basements or crawl spaces.

Helpful?

Upgrading your home’s electrical system in New London can boost value and attract buyers, especially if you add GFCI protection, modern wiring, or smart home features. Buyers appreciate surge protection and updated panels, particularly in historic or waterfront homes. These upgrades can help with passing inspections and may even lower insurance premiums, making your property more appealing and marketable in the local real estate market.

Helpful?

In New London, hidden costs for electrical projects can include permit and inspection fees, especially for major upgrades. Older homes may reveal outdated wiring or insufficient grounding that needs replacement. Properties built before 1980 sometimes require asbestos or lead abatement. Coastal homes often have hidden moisture or corrosion damage, which can increase repair time. If your property is in a historic district, expect extra requirements for installation methods.

Helpful?

When comparing electrical quotes in New London, watch for unusually low estimates, which may signal poor-quality materials or incomplete work. Be wary if a professional avoids discussing necessary permits or won’t provide a detailed, written estimate. Lack of local references or experience with New London’s coastal conditions is a concern. Choose contractors who explain the full scope of work and understand local electrical safety requirements.

Helpful?

The New London, CT homeowners’ guide to electrical services

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