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Best generator install pros near Andalusia, IL

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Verified Reviews for Generator Install pros in Andalusia, IL

*The Angi rating for Generator Install companies in Andalusia, 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 Andalusia, 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 October 07, 2026

Top-Rated Generator install pros in Andalusia - Updated Nov 2026

Avatar for PowerUp Electric
PowerUp Electric
4.6(
21
)
Fixed Generator - InstallPortable Generator - Install

Serving Andalusia, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"When I was looking for an electrician power up, turned out to be the easiest and quickest way to find an electrician that I needed. They worked with me with a schedule that allowed me to continue daily activities and events I was still able to get what I needed done in a week’s time. I am extremely pleased with the outcome. I have a new outlet in my master bath and I have new smoke detectors along with carbon monoxide. I would certainly refer anyone to power up."
Generac Generator
200 Amp Meter
6" Recessed Light
LED Can Lighting
Electrical Repair

+2

Response time1 day
Response rate89%
11 neighbors recently requested a quote
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Avatar for WireOne, LLC
WireOne, LLC
4.3(
149
)
Fixed Generator - InstallPortable Generator - Install

Serving Andalusia, IL and surrounding areas

Approved

In business since 2010

Free estimates

Credit card accepted

"Installers were awesome and very professional"
Wiring
Outlets
TV Mounting
Training
Design

+5

Response time11 hrs
121 neighbors recently requested a quote
Recommended by91%of homeowners
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Avatar for Power Services Company, LLC
Power Services Company, LLC
5.0(
8
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Andalusia, IL and surrounding areas

In business since 2010

Free estimates

Credit card accepted

"Very professional, the best generator company I have worked with."
Adams County Generator In
Bank Generator Install
Work Shop install - Iowa
Response time1 day
Recommended by100%of homeowners
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Avatar for Powerup Electric
Powerup Electric
5.0(
9
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Andalusia, IL and surrounding areas

In business since 2024

Free estimates

Warranties offered

"Lane came out and provided estimate for my project! He was truly great! Answered all my questions I had! Was very caring and worked with my hectic schedule! Andy came out to do the install and they got me on the schedule to complete the job so quick! I will recommend PowerUp to all my friends and family! Thank you so much!"
Whole Home Generator Installation
Added Can Lighting to Kitchen
Bathroom Light Fixture
Whole Home Generator Installation
Vanity Light

+7

Response time11 hrs
Response rate90%
Recommended by42%of homeowners
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J W Koehler Electric, Inc.
4.8(
2
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Andalusia, IL and surrounding areas

In business since 1969

Free estimates

Credit card accepted

J W Koehler Electric, Inc., has completed a variety of electrical projects and services for local residents and businesses. Customer satisfaction is what determines our success, which is why we take a hands-on approach and keep the customer informed through every phase of the project. When interacting with our company, you'll notice that we're particularly focused on the principles of quality workmanship, timely completion, competitive pricing, and integrity in all our business dealings. We combine knowledge and research with our extensive practical experience to ensure a specialized approach for your project needs. Give us a call today!

Recommended by100%of homeowners
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Freedom Electrical LLC
5.0(
3
)
Portable Generator - Repair

Serving Andalusia, IL and surrounding areas

In business since 2024

Credit card accepted

"I needed security cameras installed, and I am so glad I ran across Mitchell through Angi. I canâ t say enough good things about this guy! He was on time and communicated well in person and through text. He was fast, efficient, thorough, honest, hardworking, and just an overall decent guy. Once again, my wife and I are so glad that we ran across Mitchell at Freedom Electrical, and we are looking forward to working with him on future projects!"
New install
Upgraded panel
Before
Typical replacement
Response time5 hrs
Recommended by100%of homeowners
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Avatar for Mangieri Electric
Mangieri Electric
New to Angi
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Andalusia, IL and surrounding areas

Free estimates

Emergency services offered

Warranties offered

Mangieri Electric is a trusted, locally owned electrical contractor serving residential, commercial, and industrial clients. We specialize in new construction, remodels, service upgrades, backup generator installations, low-voltage systems, and preventative maintenance. Our licensed electricians are known for quality workmanship, honest communication, and completing jobs on time and on budget. Whether you need troubleshooting, a full electrical system, or a custom solution, we’re committed to powering your home or business safely and efficiently. We're proud members of ABC and hold to the highest standards of professionalism and safety.

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Generator Install FAQs, answered by experts

Generally, you’ll want to keep between 60 and 70 feet between the generator and the transfer switch. There are a few reasons for this, including:

  • The distance reduces the noise coming from the generator into your home.

  • It increases efficiency because you won’t have a voltage drop from this short of a distance.

  • Prevents carbon monoxide poisoning: keep at least 15 feet between your generator and an open window. 

If you’re wondering whether gas generators produce carbon monoxide, know that natural gas generators do not produce carbon monoxide if they are functioning properly, as natural gas burns cleanly. However, if the generator malfunctions and the gas does not burn completely, there is potential for carbon dioxide to be produced. To prevent malfunctions, it's crucial to perform regular maintenance, including running the generator weekly and scheduling professional inspections every 6 to 12 months. Also, be sure to test your carbon monoxide detectors regularly to ensure they function in the rare case of the generator producing carbon monoxide.

A 1,500 square foot home will likely need a 15kW to 20kW generator. When deciding on whole-house generator size, add up the total wattage of the devices that you’d like to continue running during a power outage. That way, you can ensure you purchase a generator that can power your necessary appliances or medical equipment during an electrical emergency.

In many cases, yes. There are models called dual-fuel generators and fuel switches, but only between certain types of fuel. For example, with the right setup you can convert a generator from natural gas to propane. Some allow switching between diesel and gasoline. There are even tri-fuel generators available in some cases, which adds a large layer of security if you are worried about fuel availability in times of crisis. Always check your generator capabilities and manual instructions before trying to switch fuels. Some generators can use another fuel but may need a fuel conversion kit to prep them first.

Whole-house generators can run continuously for extended periods, even for weeks at a time (around 400 to 500 hours), as long as they have a sufficient fuel supply. However, this type of extensive use will increase wear and tear and can shorten the generator's overall lifespan. During long periods of operation, it's important to check and refill the engine oil as needed, potentially as frequently as daily depending on the model. If your generator uses a fuel tank, ensure it is kept full to prevent unexpected shutdowns.

The Andalusia, IL homeowners’ guide to generator installs

From average costs to expert advice, get all the answers you need to get your job done.

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