4.2 
32 *The Angi rating for Generator Install companies in Mount Prospect, 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 Mount Prospect, 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 March 24, 2026
Serving Mount Prospect, IL and surrounding areas
Approved
Super Service Award Winner
In business since 2022
Free estimates
Emergency services offered
"It went very well. Leonardo was timely, professional, and installed a light fixture for a fair price."
+589
Serving Mount Prospect, 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 Mount Prospect, IL and surrounding areas
Approved
Super Service Award Winner
In business since 2023
Free estimates
Warranties offered
"Installed a ceiling fan and a light. Brandon was efficient. I would use them again."
+26
Serving Mount Prospect, IL and surrounding areas
Approved
In business since 1992
Emergency services offered
Warranties offered
"Installer was knowledgeable explained the installation process and different cost/warranty prices. Clean and efficient."
+13
Serving Mount Prospect, 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 Mount Prospect, IL and surrounding areas
Approved
Super Service Award Winner
In business since 2002
Free estimates
Warranties offered
"Did a good job installing 2 lights for pool. Would hire again."
Serving Mount Prospect, 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 Mount Prospect, IL and surrounding areas
Approved
Super Service Award Winner
In business since 1993
Free estimates
Emergency services offered
"I recently had a cooling system installed by Top Tec, and I couldn’t be more satisfied. Their team provided excellent service from start to finish—professional, efficient, and very knowledgeable. One thing I really appreciated was their price match guarantee, which made the entire process stress-free knowing I was getting the best value. The installation was smooth, the technicians were courteous, and everything was done right the first time. I highly recommend Top Tec for anyone in need of a cooling system. Great service, fair pricing, and reliable results!"
+48
Serving Mount Prospect, IL and surrounding areas
Approved
In business since 2005
Free estimates
Credit card accepted
"Very accommodating with scheduling and super friendly staff. They swapped some old fixtures and installed some new ones as well as helped with switch work. Would hire again!"
Serving Mount Prospect, 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.
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