*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 2016
Customers say: Quick response
"I own a commercial print company in Denver and I have been using Cameron for a number of years now"
Serving Johnstown, CO and surrounding areas
Approved
In business since 1994
Warranties offered
Small jobs welcome
"I hired them to install can lights in my family room. They did an amazing job! Everything I could have asked for, expertise, customer service, and an amazing result!"
+12
Serving Johnstown, CO and surrounding areas
Approved
In business since 2015
Free estimates
Credit card accepted
"Drew alked through all potential failure modes, test and diagnosis. Quick analysis and good job fixing my generac."
Serving Johnstown, CO and surrounding areas
Approved
In business since 2025
Free estimates
Warranties offered
DN ELECTRIC LTD proudly serves its customers with pride, integrity and attention to the details that matter most to you. This is one of the many things that sets us apart from the rest. We are locally owned and operated. Give us a call today! \n
+1
Serving Johnstown, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2000
Free estimates
Warranties offered
"Fair pricing, Arrived on time, explained all work before starting, cleaned up any residual debris."
Serving Johnstown, CO and surrounding areas
Approved
In business since 2022
Free estimates
Warranties offered
"First-rate service with a personal touch! Itâ s hard to find this kind of care and attention anymore when looking for home repairs. We needed our roof redone and a bunch of electrical repairs. Redrocks Roof and Solar worked with us every step of the way to make sure we were completely satisfied while respecting our budget. They also worked diligently with our insurance company to make sure that nothing was left out of our estimate. Robert and Brooke definitely go the extra mile on everything!"
Serving Johnstown, CO and surrounding areas
Approved
Free estimates
Emergency services offered
Small jobs welcome
Hi, my name is Brian. I am the owner of Speedy Electric LLC and I’m here to take care of all your electrical needs! Feel free to message me with any questions you may have. I’m here to make things go as smooth as possible to avoid any kind of worries on your part!
Serving Johnstown, CO and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
Residential electrician with 7 years of experience handling thousands of projects, including panel upgrades, troubleshooting, and generator installation. Provides full-service residential electrical solutions.
Serving Johnstown, CO and surrounding areas
Approved
I am a Licensed Master Electrician with 25 years of experience. I offer safe and professional electrical work at a reasonable cost.
Serving Johnstown, CO and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
Electrical innovations provides electrical safety for families homes, and peoples businesses. We are a fully licensed and insured company who’s been in business since 2010. We are a family owned and operated business who strives for making families happy and satisfied returning customers.
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.
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