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TRUSTED BY WILLOWBROOK, IL HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon41
    Verified generator installs reviews

Top-Rated Generator install pros in Willowbrook - Updated Nov 2026

Avatar for MPower Generators, Inc.
MPower Generators, Inc.
4.8(
25
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Repair - For Business

Serving Willowbrook, IL and surrounding areas

Approved

In business since 1999

Free estimates

Emergency services offered

"I'm very satisfied with his work. I had used him for 16 years and I had him install two different generators. I never had any problems at all and he is very responsive; that is why I have recommended him before."
Powered by MPower Generators
Power outages are a thing of the past.
Gravel base
Gravel base needs to be compacted
Prefabricated cement pad

+8

Response time1 day
2 neighbors recently requested a quote
Recommended by95%of homeowners
Specialty Service Corp.
5.0(
27
)
Fixed Generator - RepairGenerator - Repair - For Business

Serving Willowbrook, IL and surrounding areas

Approved

In business since 2002

Free estimates

Offers commercial services

"They are a professional company and have performed many Projects at my home . Joe is a first class professional who always provides great service with a fair price . I would Highly recommend SSC for any electrical projects big or small . The Generator he installed saved us from multiple storms with extended power outages . It was a game - changer , Tony N"
Response time1 day
Recommended by96%of homeowners
Avatar for Tri-State Water, Power & Air
Tri-State Water, Power & Air
5.0(
5
)
Fixed Generator - InstallGenerator - InstallGenerator - Install - For Business

Serving Willowbrook, 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
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+3

21 neighbors recently requested a quote
Avatar for Precision Today Plumbing Heating Cooling Electrical
Precision Today Plumbing Heating Cooling Electrical
4.6(
329
)
Fixed Generator - InstallFixed Generator - Repair

Serving Willowbrook, IL and surrounding areas

Approved (Corporate)

In business since 1992

Emergency services offered

Warranties offered

"Paul did a great job of explaining what the problem was and the options available for addressing the problem. His recommendation for a solution was actually the least costly option. Paul presented as extremely knowlegable, professional and courteous. I was surprised at how quickly the installation was completed. The whole experience from the first contact with the company through the installation exceeded expectations."
Pipe Coating
Pictures
Pictures
Pictures
Pictures

+13

Response time10 hrs
Response rate100%
30 neighbors recently requested a quote
Avatar for Imperial electric
Imperial electric
4.8(
19
)
Fixed Generator - InstallFixed Generator - RepairPortable Generator - Install

Serving Willowbrook, IL and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"Daniel from Imperial Electric did an excellent job for us. We had a relatively small issue that he rectified for us very quickly and then did a very thorough inspection of our entire house at our request. He made a number of recommendations to upgrade our old electrical system that were practical, reasonable and in line with current codes."
15 neighbors recently requested a quote
Avatar for Onix Electric Services LLC
Onix Electric Services LLC
5.0(
13
)
Fixed Generator - RepairPortable Generator - InstallPortable Generator - Repair

Serving Willowbrook, IL and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"Fabian (the electrician) was an absolute professional. I let him know what I needed and he provided me with several options on how to get the task completed within code. He provided me with a specific timetable, which was great for me because it allowed me to work around my work schedule. Once the job was finished, it was as if he was never there. Everything was cleaned up and put back the way it was when he initially arrived. Highly, highly recommended!!!"
Response time12 hrs
Response rate95%
9 neighbors recently requested a quote
Avatar for EV Electric
EV Electric
4.8(
22
)
Portable Generator - Install

Serving Willowbrook, IL and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"This was an install of a garbage disposal in an existing home. Since the dishwasher and sink plumbing was already in place, the installer had to determine the best routing for the install. He came up with a good route very a successful install."
Response time5 hrs
Response rate88%
Recommended by90%of homeowners
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Generator Install FAQs, answered by experts

No, you should never plug a generator directly into a wall outlet in your house. This practice is extremely dangerous, often illegal, and can cause "back-feeding," where power from the generator flows back into utility lines, creating a life-threatening hazard for utility workers. It can also damage your home's electrical system, including appliances like pumps and HVAC fans. If the main power is restored while the generator is connected, it can destroy the generator and cause an electrical fire. To safely connect a generator, you must use a professionally installed transfer switch or an interlocking kit, which prevents back-feeding by disconnecting your home from the utility grid before the generator provides power.

Yes, in most municipalities, you will need a permit to install a permanent home generator, including emergency backup, partial-home, and whole-home models. Because these installations involve significant alterations to your home's electrical system and produce exhaust fumes, local governments often require a permit or inspection for safety purposes. A generator permit typically costs between $50 and $250, depending on your location. Your electrician or certified installer can usually handle the permitting process for you, but you will be responsible for the cost. It's a good practice to confirm with your installer that they will pull all necessary permits before work begins.

In most municipalities, you will need a permit to install a permanent home generator, including emergency backup, partial-home, and whole-home generators. A permit for a generator usually costs between $50 and $250, depending on where you live. Your electrician or certified generator installer will usually pull the permit for you—and might be required to do so by your building department—but you’ll be on the hook for the cost of the permit. You should ask your installer before agreeing to any work if they will pull the necessary permits for your project.

A portable generator can supply power to selected appliances and circuits in a home, but it's generally not designed to handle the entire household's electrical needs simultaneously. Portable generators have limited wattage capacity, so they are only designed to power essential devices and electronics temporarily until local power is restored. If your power needs outweigh the capabilities of a portable generator, consider installing a whole-home generator instead.

If you’re deciding between a solar battery versus a generator for the best backup power solution, you can take a few factors into consideration. Solar batteries are quiet while generators can be quite loud. Generators have a lower up-front cost, but they require fuel and ongoing maintenance while solar batteries are more expensive but don’t have many ongoing costs.

The Willowbrook, IL homeowners’ guide to generator installs

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