*The Angi rating for Generator Install companies in Longmont, 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 Longmont, 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 Longmont, CO and surrounding areas
Approved
In business since 1992
Free estimates
Credit card accepted
"The project was top notch. Marty installed a flood light and switch and would definitely use again and refer to others. Price was very reasonable. They were easy to reach, responded quickly, and communication was great."
+1
Serving Longmont, 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 Longmont, CO and surrounding areas
Approved
In business since 2024
Emergency services offered
Warranties offered
"Installing electrical circuit for new system in remodel building.."
Serving Longmont, CO and surrounding areas
Approved
In business since 2013
Free estimates
Emergency services offered
"In 2 days I had absolute out for a/c problem and to install a new attic fan system. Hector, Jovanny were the 2 main contacts for the projects. Very professional, explained what they were doing and answered any questions I had. Will definitely use absolute again."
+34
Serving Longmont, 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 Longmont, CO and surrounding areas
Approved
In business since 2019
Free estimates
Warranties offered
"Fast reliable Service. Affordable, professional and explanatory. I give them a 5ð ð ð ð ð rating"
Serving Longmont, 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 Longmont, CO and surrounding areas
Approved
In business since 1982
Warranties offered
Credit card accepted
"From this experience with Precision Electrical, I can conclude that electrical is as excellent as Plumbing, which I have used for many years. If there is ever a problem with so,etching Precision has installed, they will fix it."
Serving Longmont, 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 Longmont, CO and surrounding areas
Approved
In business since 2007
Free estimates
Credit card accepted
"Shawn and his team were awesome for this project. They understood immediately what realistic budget was, provided very clear itemized project updates as things went on, took care of all the work, and worked with me to complete it all in two days while working around my busy corporate lifestyle. Work was done very clean, conscious of keeping costs low but with quality, and they were fast and friendly. Highly recommend going with them over any of the big 3 companies who will quote you way too much, provide no itemized receipt or options."
+12
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 Denver, CO varies based on factors like generator size, fuel type, and installation complexity. Learn the typical price range and what influences your total cost.
Find out the average generator repair cost in Denver, CO. Learn what you can expect to pay for local backup power services and keep your home safe.
The cost to install a generator transfer switch in Denver, CO, depends on several factors. Our guide will help you understand all of the costs.
Generators should give you peace of mind, but you’ll only get that if your installer knows what they’re doing. Learn how to hire a pro and what red flags to look for.
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.
