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4.6

(489 reviews)

Top-rated electricians.

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Avatar for Scott Nelson Electric Inc
Scott Nelson Electric Inc
4.9(
365
)

Serving Mchenry, IL and surrounding areas

Approved

In business since 2000

Free estimates

Warranties offered

"Scott Nelson Electric provided excellent service from start to finish. Our call was responded to promptly. The electrician arrived on time, quickly assessed the problem, and efficiently fixed it. He was very professional and did a thorough job. He respected our property and did a meticulous clean-up afterward. We are very pleased with the results. We highly recommend Scott Nelson Electric."
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+4

Response time1 day
1 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for WIN Universal, LLC
WIN Universal, LLC
4.9(
20
)

Serving Mchenry, IL and surrounding areas

Approved

In business since 2013

Free estimates

Warranties offered

"Ivan listened to what I wanted and was perfect in his installation. He is timely, excellent in his electrical skills, and very clean with the project. I will hire him again for any electrical needs that I have. I would highly recommend him to anyone."
Response time5 hrs
1 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Blue Diamond Electric LLC
Blue Diamond Electric LLC
5.0(
21
)

Serving Mchenry, IL and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"Danny came to my house to install electrical panel. I already had everything for the install the swap the old one out put the new one in really fast I was surprised I told him my lights would flicker sometimes and he check the ground to the meter and it was corroded, he cleaned it off and fix the problem install looks great. Everything works perfect. I will be hiring him again for future projects."
Before & After of the bar area
Electrical Project
Electrical Project
Bar area
Electrical Project

+26

Response time1 day
4 neighbors recently requested a quote
Recommended by71%of homeowners
Avatar for Ferrer Electric
Ferrer Electric
4.9(
97
)

Serving Mchenry, IL and surrounding areas

Approved

In business since 1979

Free estimates

Emergency services offered

"EddieWas through and easy to work with. The work was excellent and Eddie of Ferrer Electric consulted with the company who was installing industrial fans to be sure that all of their requirements for the electrical outlets were met This was a complicated install as it was on the ceiling of a barn which required a lift Eddie also followed up on his work to be sure all was done correctly I would hire him again and will recommend Ferrer Electric to my friends Sue Lutz"
Light Replacemernt
Light Replacement
Ceiling Fan replacement
Ceiling Fan Replacement
Light Replacement

+22

Response time9 hrs
1 neighbors recently requested a quote
Recommended by96%of homeowners
The Home Electric Company Inc
4.9(
46
)

Serving Mchenry, IL and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"Joe was a great help with our electrical projects. We had several smaller projects that we needed done in our new house. He recommended some ways to simplify our projects, quoted a reasonable cost, and performed great work. He even did a great job cleaning up after finishing. I would highly recommend him for your project!"
Recommended by93%of homeowners
Avatar for Imperial electric
Imperial electric
5.0(
16
)

Serving Mchenry, IL and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"Daniel is awesome to work with very professional, great personality and excellent at his craft! I highly recommend him for an electrical need you have. I will definitely be using him in the near future!"
154 neighbors recently requested a quote
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Showing 1-10 of 527
Electrical questions, answered by experts

In Mchenry, electrical panels in homes built before 1990 often require upgrades, especially if they’re outdated or show signs of wear. Outdoor outlets, landscape lighting, and deck wiring are vulnerable to Illinois weather. Basements with moisture, kitchens and bathrooms needing GFCI protection, and aging HVAC connections are frequent trouble spots. Homes from the 1960s-1980s may need rewiring, while older homes often require full system updates.

Helpful?

In Mchenry, you can address minor electrical issues by resetting GFCI outlets, replacing bulbs with the correct wattage, and testing GFCI outlets monthly for electrical safety. Always turn off the breaker and use a voltage tester before touching any wiring. Avoid working on electrical systems during storms or in damp areas, and if you notice repeated breaker trips or burning smells, contact a professional immediately.

Helpful?

Before starting electrical projects in Mchenry, confirm permit requirements and schedule inspections early to prevent delays. Obtain multiple quotes from licensed professionals and verify their credentials. For outdoor projects, arrange for utility locating and coordinate with utility providers if service upgrades are needed. Document your current electrical system, clear access to work areas, and anticipate hidden issues, especially in older homes.

Helpful?

Common habits in Mchenry that can reduce your electrical system’s lifespan include overloading circuits with space heaters or holiday lights, using extension cords as permanent solutions, and failing to test GFCI outlets regularly. Ignoring outdoor outlet protection before winter, forcing plugs into outlets, and using bulbs with incorrect wattage can also cause premature wear and increase the need for rewiring or repairs.

Helpful?

In Mchenry, warning signs that electrical work may need to be redone include persistent flickering lights, frequent breaker panel trips, or a burning odor from outlets. Watch for warm or discolored outlet covers, sparking when plugging in devices, and missing GFCI outlets in kitchens or bathrooms. Homes with outdated wiring or panels, especially those exposed to moisture or harsh winters, are at higher risk for electrical safety issues.

Helpful?

The Mchenry, IL homeowners’ guide to electrical services

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