5 
12 *The Angi rating for Generator Install companies in Mokena, 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 Mokena, 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 21, 2026
Serving Mokena, 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."
+8
Serving Mokena, 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 Mokena, IL and surrounding areas
Approved
In business since 1995
Free estimates
Emergency services offered
"This company is amazing, Third generation licensed electrician who is a perfectionist. Several of our friends have been directed to them. Do it right, go to Custom Power!!!!"
+13
Serving Mokena, IL and surrounding areas
Approved
In business since 2005
Credit card accepted
Offers commercial services
Electric Mechanical Solutions, LLC\nLicensed - Insured - Nearly 20 Years of Professional Experience\n\nOur minimum charge is $250 to $400 and up, depending on distance, job complexity, and scope. This includes small jobs, repairs, or up to the first hour of licensed labor. Anything beyond the first hour is priced clearly on-site. This is licensed contractor pricing - not handyman rates. Our pricing is fair, honest, upfront, and transparent. No hidden fees, no surprises, no games.\n\nWe proudly offer residential, commercial, and industrial services, including troubleshooting, EV chargers, panel upgrades, surge protection, lighting installations, dedicated circuits, subpanels, garage circuits, and more.\n\nPlease Note:\n - No free quotes for troubleshooting, repairs, or small jobs by phone/text.\n - If you?re price shopping or comparing numbers, this is not the right fit.\n\n- If you care about safety, quality, and reliable professional work ? let?s connect.
Serving Mokena, IL and surrounding areas
Approved
Super Service Award Winner
In business since 2009
Free estimates
Warranties offered
"Several years ago Devon did an amazing job installing our Thermador refrigerator and freezer (not easy or basic in any way!) for a reasonable price and with great professionalism. They are both still running well without incident!"
+6
Serving Mokena, IL and surrounding areas
Approved
In business since 2006
Free estimates
Credit card accepted
"These gentlemen were very professional and very polite. They did a great job and are coming back to install two more lights for me."
Serving Mokena, IL and surrounding areas
Approved
In business since 2005
Free estimates
Emergency services offered
"The two electricians showed up on time and were very professional. They ended up installing a 100A circuit and the job was neat and well done. They cleaned everything up after themselves. I am very happy with the result."
+50
Serving Mokena, 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 Mokena, IL and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
"Joe did a great job on electrical repairs we needed to sell our home! Excellent work and friendly personality!"
Serving Mokena, IL and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Small jobs welcome
"Jose did an excellent job installing the outlet. His work was done promptly, finished on time and accurately. I would highly recommend his services to anyone."
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 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.
Natural gas generators are whole-home standby generators that are connected to your home’s natural gas line. The average cost for a natural gas generator is $12,000.
Before deciding between a gas generator and a natural gas generator, explore the differences. Compare gas vs. natural gas generator with our informative guide.
Whole house generators can power homes when electric problems hit, but they aren’t for everyone. Here’s what you should know when you’re thinking about buying.
Before installing a fixed generator, think about your use and space. Review these backup generator questions to prepare for a talk with your contractor.
