*The Angi rating for Generator Install companies in Thornton, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.
*The HomeAdvisor rating for Generator Install companies in Thornton, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.
Last update on April 28, 2026
Serving Thornton, IL and surrounding areas
Approved
In business since 2002
Free estimates
Credit card accepted
"I hired NW Indiana generator about 4 years ago to install a 20k generac. They did a fantastic job. Guys were clean friendly and efficient. Also they have done annual service for me. Would recommend for sure."
Serving Thornton, IL and surrounding areas
Approved
In business since 2002
Free estimates
Emergency services offered
"Was very impressed with how smoothly the process went...from selection to final installation. They got in and out with minimal hassle. Highly recommend."
Serving Thornton, IL and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
"The service guy came out very quickly. Had a smart thermostat installed. He walked me through setting up the app. Did a fast and a great job. I highly recommend this company if you want it done and done right."
Serving Thornton, IL and surrounding areas
Approved
In business since 1996
Free estimates
Credit card accepted
"Friendly service. Fred installed generator transfer switch and electrical panel with outlet for charging car. I would call him again and recommend to others."
Serving Thornton, IL and surrounding areas
Approved (Corporate)
In business since 1971
Free estimates
Emergency services offered
"Four Season service was awesome. The installers were friendly, professional, and knowledgeable. The installers cleaned up work area after they finished the job."
Serving Thornton, IL and surrounding areas
Approved
In business since 1994
Warranties offered
Credit card accepted
"Hello, MTK electric was fantastic to deal with, their communication was top notch, they were very transparent about the entire process and the overall price was fair. Would definitely look for their assistance in the future."
Serving Thornton, IL and surrounding areas
Approved
In business since 1970
Free estimates
Credit card accepted
With over 50 years of business serving the Chicago metro area, Scardino Electric, Inc., is the way to go for all your wiring and panel upgrade needs. We take great pride in our extreme professionalism, timeliness, and superior customer service on every job. We make sure to do excellent work on every visit, answer all questions, and develop lasting relationships with all our clients so, that the next time service is needed, there will be no question on who to call. Contact us today for a free estimate. Satisfaction Guaranteed!
Serving Thornton, IL and surrounding areas
Approved
Free estimates
Small jobs welcome
Credit card accepted
At LSI repair we offer only the best and fair prices. We also specialize in heat treating furnaces but we cover a large array of services from residential to commercial from small to big.
Serving Thornton, IL and surrounding areas
Approved
In business since 2017
Free estimates
Credit card accepted
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
Serving Thornton, IL and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
Electrical professional with 20 years of hands-on experience in residential, commercial, and heavy industrial electrical construction. Raised in a family-owned electrical company that grew from a 10-person shop to a 500-electrician operation serving projects nationwide and internationally.\n\nExtensive field experience across high-demand environments including power plants, steel mills, paper mills, chemical plants, oil refineries, coal mines, Air Products facilities, and large food manufacturing plants.\n\nHighly skilled in:\n • Low-voltage systems, fire alarm, controls, and automation\n • Medium-voltage installations and power distribution\n • Underground services and excavation coordination\n • Bucket truck and service work\n • Smart home and modern electrical systems\n • Residential, commercial, and industrial construction from ground-up to retrofit\n\nCertifications & Credentials:\n • Chicago Licensed Electrician\n • OSHA 10 & OSHA 30\n • MSHA Certified\n • CPR Certified\n • NCCER Certified\n\n
From average costs to expert advice, get all the answers you need to get your job done.
The cost to install a whole-house generator in Chicago, IL varies based on factors like generator size, fuel type, and installation complexity. Learn the typical price range and what influences your total cost.
The cost to install a generator transfer switch depends on several factors. Our guide will help you understand all of the costs.
The average cost of a whole-house generator falls between $5,000 and $25,000. Keep reading to learn how much you can expect to spend.
Generators should give you peace of mind, but you’ll only get that if your installer knows what they’re doing. Learn how to hire a pro and what red flags to look for.
Whole home generator installations require a professional hand. Read this guide to help you decide which generator is best for your home.
Wondering who to hire to install a generator? Consult this guide to learn who to hire to install a generator or a transfer switch.
