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TRUSTED BY HOLTSVILLE, NY HOMEOWNERS

  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon1.7k+
    Verified electrical services reviews

Top-Rated Electricians in Holtsville - Updated Nov 2026

Avatar for Shamrock Electric Co Inc
Shamrock Electric Co Inc
4.9(
327
)
Electric Vehicle Charging Station Installation - Materials Not ProvidedElectrical Wiring or Panel UpgradeElectric Vehicle Charging Station Installation+10 more

Serving Holtsville, NY and surrounding areas

Approved

Super Service Award Winner

In business since 1992

Free estimates

Emergency services offered

"We have used Shamrock Electric Electric a few times over the last 5 years…. Wiring a new electric oven that replaced a gas oven…. Fixing our high hat in our kitchen… and replacing an outdoor light motion detector … each time Mike did excellent work….Always fair pricing.. We highly recommend Mike and Shamrock and will call him for any future electrical repairs ."
Electrical Project
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+5

Response time6 hrs
2 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for PKJ Electrical
PKJ Electrical
5.0(
19
)
Electric Vehicle Charging Station Installation - Materials Not ProvidedElectrical Wiring or Panel UpgradeElectric Vehicle Charging Station Installation+10 more

Serving Holtsville, NY and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Everything went great. PKJ electric did a great job. They even rewired my outdoor lights in a way that it isn’t going across my grass like It was before they took care of it! I would definitely recommend them and I would definitely use them again. Very professional."
Response time7 hrs
Response rate100%
2 neighbors recently requested a quote
Avatar for Morris Electric
Morris Electric
4.9(
30
)
Electrical Wiring or Panel UpgradeElectric Vehicle Charging Station Installation - Materials Not ProvidedElectrical Wiring or Panel Upgrade - For Business+2 more

Serving Holtsville, NY and surrounding areas

Approved

In business since 2000

Free estimates

Customers say: Quick response

"My family and I needed someone knowledgeable, trustworthy and affordable - Morris Electric covered everything we wanted and more. Literally saved us for multiple days when the grid went out and we couldn't have stayed in our home without the work Morris Electric did...Highly recommend!"
Lake Ronkonkoma House
Lake Ronkonkoma House
200amp upgrade
200amp upgrade
200amp upgrade

+3

Response time2 hrs
3 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for 144 ELECTRIC ENTERPRISES LLC
144 ELECTRIC ENTERPRISES LLC
5.0(
15
)
Electrical Switches, Outlets & Fixtures - Install or RepairCeiling Fan - Install

Serving Holtsville, NY and surrounding areas

Approved

In business since 2003

Free estimates

Credit card accepted

"This is one of the best service companies I have ever dealt with! I the age of trying to find a company that will do work efficiently and effectively, 144 Electric and Mike are a treasure! The work was not only done right, it also fixed all the previous problems and issues that existed before! We highly recommend him and will share this with our neighbors and friends! Thank you Mike!"
Al and Mel
Al and Mel
Al and Mel
Al and Mel
Al and Mel

+8

Response time9 hrs
Response rate86%
4 neighbors recently requested a quote
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Showing 1-10 of 780
Electrical FAQs, answered by experts

When removing an old security alarm system, you likely won't need to remove any of the wiring. Wiring can either be left in place for a replacement system or capped off for safety and pushed into the wall. If you're uncomfortable with the wiring, or if it's badly damaged, contact a professional electrician for assistance with safe removal.

You may be able to spot common electrical dangers yourself, but it’s best to hire an electrician to diagnose and fix the issue. For example, you may be able to DIY small electrical fixes, like replacing an electrical outlet, but major electric repairs or replacements should be left to a professional electrician.

The life expectancy of a home electrical panel is typically around 25 to 40 years. However, this can vary based on usage, maintenance, and technological advancements. Regular inspections by a qualified electrician can help determine the condition and potential need for replacement as your panel ages. Factors like overloading, outdated components, or wear and tear might prompt earlier replacements for safety and efficiency reasons.

The average lifespan of a home electrical system is anywhere from 30 to 70 years or more, depending on the type of system you have. Modern electrical wiring, like aluminum or copper, can last 50 to 70 years while older types may need to be replaced sooner. Additionally, circuit breakers tend to last anywhere from 30 to 40 years, while electrical outlets need to be replaced every 10 to 25 years. 

If you’re outlet isn’t working but the breaker isn’t tripped , that could mean a number of things. First, check if it’s a GFCI outlet, which has added protection so your breakers don’t malfunction. If that’s the case, simply hit the outlet's reset button and see if it works. If it doesn’t, or you don’t have a GFCI outlet, you might have a loose outlet or loose wiring, a damaged breaker, or an overloaded circuit, which would require a dedicated breaker. It’s best to consult with an electrician to diagnose the problem accurately.

The Holtsville, NY homeowners’ guide to electrical services

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