*The Angi rating for Generator Install companies in Johnstown, CO 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 Johnstown, CO 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 04, 2026
Serving Johnstown, CO and surrounding areas
Approved
In business since 2005
Free estimates
Emergency services offered
"Prompt service. Arrives on time and gets right to the job at hand. Courteous and efficient. Cleans up when finished."
+7
Serving Johnstown, CO and surrounding areas
Approved
In business since 2017
Free estimates
Emergency services offered
"Excellent! We are really pleased with the installation and the performance of the Ampdup team. In and out in about three hours clean and neat! We would recommend their service to friends and neighbors."
+12
Serving Johnstown, CO and surrounding areas
Approved
In business since 2016
Customers say: Quick response
"Cameron was courteous and efficient. He did a great install for us and we would highly recommend him. We will definitely use him for future electrical work."
Serving Johnstown, CO and surrounding areas
Approved
In business since 1983
Free estimates
Credit card accepted
"Friendly, helpful and just great people!! From the plumbers to the office staff! Awesome"
Serving Johnstown, CO and surrounding areas
Approved
In business since 2010
Free estimates
Warranties offered
"Their name says it all, if you need someone to find and fix an issue in your home electrical or add on to it they are the ones to call. Highly recommended!"
+11
Serving Johnstown, CO and surrounding areas
Approved
In business since 1994
Warranties offered
Small jobs welcome
"Great quick service at a fair price for lighting and fan installations. Bill, Kyle and Melinda were a friendly and efficient team."
+12
Serving Johnstown, CO and surrounding areas
Approved
In business since 2015
Free estimates
Credit card accepted
"Very nice electrician (Warren) got everything done in 2.5 hours (put two pendant lights up, added a dimmer, put together and installed a ceiling fan) and was friendly to boot."
Serving Johnstown, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2016
Free estimates
Emergency services offered
"Hired a professional to install 2 hand rails for my parents. One was installed on the front porch brick steps and one on the back porch brick steps. They arrived on time, installed both handrails quickly and safely. Handrails are sturdy, and now my parents lives are that much safer. Would recommend."
+18
Serving Johnstown, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2025
Free estimates
Warranties offered
"Very pleased.Austin was on time.Very professional.Really knows his business.Wasted no time,cleaned up after himself.Excellent Quality of work.I would not hesitate using him again. Will tell anyone who needs an electrician to use him."
Serving Johnstown, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2019
Free estimates
Emergency services offered
"The guys that came out to install my new AC unit, Kevin, Kayden, Collin and Larry, were all amazing. They were super nice, professional, and honest. They worked with me to put the AC unit in an area we wanted and the work looks professional and tidy. They showed me all their work, explained everything and all the safety features installed. I bought a nest thermostat that I wanted to upgrade to and the guys helped me install and set it up. I will def be using this company for all my future home needs. Thanks guys!!"
+24
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