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Top-Rated Generator repair pros in Mundelein - Updated Nov 2026

NWI Generator
4.3(
19
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Mundelein, IL and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

"They showed up at 8:15 am (appointment was for 8:30-9:00 am)  Prior to the appointment we were told this would take 5-6 hours.  They were completely done by 11:15.  They placed the unit, installed the gas service, installed and configured the transfer switch, tested the fail-over and fail-back, checked all pilot lights in the house and gave an overview of the operation of the unit and there 24/7 service agreement.  All in all, we could not have asked for a better experience.  I would recommend them to anybody looking for a stand-by electrical generator system.
"
6 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Scott Nelson Electric Inc
Scott Nelson Electric Inc
4.9(
367
)
Electric Vehicle Charging Station Installation - Materials Not ProvidedElectrical Wiring or Panel UpgradeElectric Vehicle Charging Station Installation+10 more

Serving Mundelein, IL and surrounding areas

Approved

In business since 2000

Free estimates

Warranties offered

"Scott came out to trouble shoot our electrical problem when we could not get 4 other electrical companies to call us back. They quickly discovered the problem and made repairs. They were knowledgeable, professional and personable. Definitely recommend them and will definitely use them again when needed."
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+4

Response time3 days
4 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Blazer Electric Co
Blazer Electric Co
4.7(
384
)
Electrical Wiring or Panel UpgradeElectrical Switches, Outlets & Fixtures - Install or RepairElectric Vehicle Charging Station Installation+12 more

Serving Mundelein, IL and surrounding areas

Approved

Super Service Award Winner

In business since 1987

Free estimates

Emergency services offered

"Jack, is a true professional. Good communicator and is willing to work with your schedule. Very impressed with his honesty and work. Does not try to over charge like some other electricians on things you do not need. Would hire again in the future so highly recommend."
Now the lights are in...
We had to cut some holes in order to install new electrical connections
Job complete!
A splash of color...
Looking good in a daylight

+14

Response time12 hrs
Response rate100%
3 neighbors recently requested a quote
Avatar for Tri-State Water, Power & Air
Tri-State Water, Power & Air
5.0(
5
)
Fixed Generator - InstallGenerator - InstallGenerator - Install - For Business

Serving Mundelein, IL and surrounding areas

Approved (Corporate)

In business since 1992

Free estimates

Emergency services offered

We are the experts in the field of Whole Home Generator Sales and Installation, with over 20 years of experience in the game.\nWe provide turn-key installation by licensed professionals - 24 hour emergency service - Remote Monitoring - Long term maintenance and service by factory trained technicians.

Additional Photos
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+3

17 neighbors recently requested a quote
Avatar for Ferrer Electric
Ferrer Electric
4.9(
97
)
Electrical Switches, Outlets & Fixtures - Install or RepairElectrical Switches, Outlets & Fixtures - Install or Repair - For BusinessLightning Protection - Install or Repair

Serving Mundelein, IL and surrounding areas

Approved

In business since 1979

Free estimates

Emergency services offered

"The project was to re-do my garage electrical and install a generator tie-in to the house. Ferrer Electric was outstanding. They responded immediately to my inquiry, and they came out right away to look at my project, and give me an estimate. Lead electrician *Eddie* was fantastic. He has a great attitude, and you can tell he is eager for your business and most appreciative of it. Very friendly and professional. The quality of the work was great, and the prices fair. Eddie was always on time, and he did what he said he would do. I am pleased to recommend them, and I will hire them again for my next electrical projects."
Light Replacemernt
Light Replacement
Ceiling Fan replacement
Ceiling Fan Replacement
Light Replacement

+22

Response time9 hrs
3 neighbors recently requested a quote
Recommended by96%of homeowners
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FAQs for generator repair projects in Mundelein, IL

Always start by confirming the pro’s license number, insurance coverage, and experience level. Visit the electrician’s website, scan recent customer reviews, and verify credentials with your local labor department. Request proof of liability insurance and at least two references that you can contact. These quick checks take only a few minutes but go a long way toward ensuring safe, code-compliant work and protecting your home in the event of an issue.

Grouping several electrical jobs into one appointment means you pay a single service-call fee and one set of travel expenses. Instead of asking a pro to return three separate times for outlets, switches, and fixtures, have everything tackled in one visit. The electrician stays productive, and you avoid extra trip charges, often shaving a sizable chunk off the final bill without compromising quality.

DIY electrical work can be dangerous and, in many areas, illegal without a license. One miswired connection risks shocks, fires, or expensive damage. Licensed electricians carry the right tools, follow local code, and know how to shut down power safely before they start. Hiring a pro may cost more upfront, but it protects your home, family, and insurance coverage in the long run.

The Mundelein, IL homeowners’ guide to generator repair services

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