4.6 
21 *The Angi rating for Generator Install companies in Lemont, 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 Lemont, 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 July 04, 2026
Serving Lemont, IL and surrounding areas
Approved
In business since 1999
Free estimates
Emergency services offered
"There was a mistake in the original invoice which they quickly corrected. We will engage the to annually maintain our generator."
+8
Serving Lemont, 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.
+3
Serving Lemont, 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 Lemont, IL and surrounding areas
Approved (Corporate)
In business since 1971
Free estimates
Emergency services offered
"Had a heat pump installed. The installation went well. The installers were efficient, courteous and professional. Job well done."
Serving Lemont, IL and surrounding areas
Approved
In business since 2008
Free estimates
Credit card accepted
We take on a wide range of electrical projects to include full installation for additions and remodels as well as generator installs, wiring and panel upgrades, and a variety of other jobs. We take pride in our quality of work and our commitment to outstanding results. We are committed to providing a personalized service for each individual project we take on. We look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.
Serving Lemont, IL and surrounding areas
Approved
Super Service Award Winner
In business since 2007
Free estimates
Emergency services offered
"Did some great work installing electric outlets in my store to plug in the electric products that I sell."
+43
Serving Lemont, IL and surrounding areas
Approved
In business since 2018
Free estimates
Credit card accepted
We have the experience and we are committed to providing quality workmanship and superior customer service on all our applications. We at Onix Electric Service LLC strive to maintain our reputation as a high quality, very service oriented company with our main focus being customer satisfaction.
Serving Lemont, IL and surrounding areas
Approved
In business since 2013
Free estimates
Customers say: Quality work
"Carlo was very professional. He did an excellent job installing two bathroom exhaust fans. I would definitely hire him again."
Serving Lemont, IL and surrounding areas
Approved
In business since 1994
Warranties offered
Credit card accepted
M.T. Kelley Electric LLC\nis a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!
Serving Lemont, IL and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
Mister Sparky of South Chicagoland proudly serves homeowners throughout the City of Chicago and the surrounding south suburbs. Our team is committed to providing safe, reliable electrical service with exceptional professionalism and attention to detail. Whether you need a quick repair, panel upgrade, lighting installation, or a larger project, we stand behind our work with a customer satisfaction guarantee. For added convenience, financing options are available for qualifying projects. Contact us today — we look forward to earning your business.
From average costs to expert advice, get all the answers you need to get your job done.
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