*The Angi rating for Generator Install companies in Rochester, 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 Rochester, 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 15, 2026
Serving Rochester, IL and surrounding areas
Approved
In business since 2019
Free estimates
Credit card accepted
"Awesome company, they did incredible work. I had them call install a chandelier and Steve took the time to make sure it was perfect I would highly recommend and hire again!"
+44
Serving Rochester, IL and surrounding areas
Approved (Corporate)
In business since 1993
Free estimates
Emergency services offered
"Fast, knowledgeable, professional. Will use them again!"
+5
Serving Rochester, IL and surrounding areas
In business since 2010
Free estimates
Credit card accepted
"They went above and beyond for a generator install"
Serving Rochester, IL and surrounding areas
In business since 2018
"Ck Contractors were able to make my ideas of kitchen lighting into a reality. They were courteous, respectful, and reasonably priced. I would hire them again for future remodeling."
Serving Rochester, IL and surrounding areas
In business since 1993
Emergency services offered
Warranties offered
"The installation team was very professional yet friendly. They worked hard and cleaned up any mess. They were respectful of my home by laying plastic on the carpeted area and wearing booties."
+27
Serving Rochester, IL and surrounding areas
In business since 2005
Free estimates
Emergency services offered
"Prompt, were on time, and did a great job assisting our client!"
Serving Rochester, IL and surrounding areas
In business since 2024
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 the start to the 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.
From average costs to expert advice, get all the answers you need to get your job done.
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.
The cost to install a generator transfer switch depends on several factors. Our guide will help you understand all of the costs.
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.
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Whole home generator installations require a professional hand. Read this guide to help you decide which generator is best for your home.
Thinking about a generator installation? Learn about backup power options, costs to expect, and how to hire the right local pro to keep your home running.
