Does installing a generator increase home value?

• <div><p>Yes,<a href="https://www.angi.com/articles/generator-installation-avoid-electrical-disasters.htm"> installing a generator</a> usually increases your property value because buyers are getting the added peace of mind knowing they’ll be able to maintain power through blackouts. In most cases, you should see close to a 100% return on investment (ROI). Keep in mind that home generators usually need a permanent foundation, and installing a concrete slab will likely raise your property taxes slightly. </p></div>

What size generator do I need to run a fridge?

• <div><p>While the rating will tell you how many watts the refrigerator needs at the peak of its cycle, it requires additional wattage to start. At the bare minimum, you’ll need a 1,500-watt generator to get the fridge up and running after a blackout. A 2,000-watt generator should be sufficient for most home refrigerators.</p></div>

Get matched with top generator install pros in Centralia, IL

Q: Where can you install a whole-house generator?

• <div><p>Whole-house generators need to be installed on level ground several feet away from walls and other objects. Because they tap into the electrical system directly, they usually need to be close to your home electrical panel for a transfer switch installation. It also helps with installation if they are near to a gas line or propane tank installation.</p></div>

Q: What happens with the generator when the local power goes back on?

• <div><p>If you have a transfer switch properly installed, the generator and main electrical power cannot feed the system at the same time. However, you should still shut off the power at your main circuit breaker panel before activating the generator. If you do that, you&rsquo;ll simply need to shut off the generator and reset your circuit breaker once the local power comes back on.</p></div>

Q: Can a portable generator power an entire home?

• <div><p>A portable generator can supply power to selected appliances and circuits in a home, but it's generally not designed to handle the entire household's electrical needs simultaneously. Portable generators have limited wattage capacity, so they are only designed to power essential devices and electronics temporarily until local power is restored. If your power needs outweigh the capabilities of a portable generator, consider installing a <a href="https://www.angi.com/articles/installing-whole-house-generator.htm">whole-home generator</a> instead. </p></div>

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Verified Reviews for Generator Install pros in Centralia, IL

*The Angi rating for Generator Install companies in Centralia, 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 Centralia, 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 June 29, 2026

Reviewed in June 2026
febuary, scott was hired to installed central air and heating. making the home comp;etely elictric. i was told to have the electric company to shut off the gas to the home, since the furnace was being pulled out for the new central air/heating unit that week.... febuary.... it was still getting...
Tri-County HVAC, LLC
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Reviewed in December 2025
I am beyond pleased with the beautiful tile work installed by Precision Craft. They were able to work quickly on a complete faucet replacement due to a leak - which was a lifesaver. The shower turned out so much better than I hoped.
Precision Craft LLC
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Reviewed in September 2024
Timothy Shelton did a great job with the inspection. Dwayne and his crew were great on install
Foundation Recovery Systems
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Reviewed in May 2024
Frank was easy to schedule and I felt comfortable leaving him in my house alone. He put up with my crazy dogs too. He showed up when he said he would and was quick to get the job done. The fireplace installer made a mistake and had to cut a hole in my brick and Frank quickly came to repair it...
Podergois Masonry LLC
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Reviewed in May 2023
Ron came out right away to give me a quote. He made some great suggestions. He and his son came when they said they would (something rare) and completed the job on time. I couldnt be happier with their craftsmanship. They installed iron ballisters on a stair case that had never been completed....
Stair Artisan
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Reviewed in February 2023
Sean does great work! He was on time, quick, and made sure everything was installed exactly how I wanted. Heâ s very professional and really knows what heâ s doing!
Deluxe Home Services
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Reviewed in October 2021
618 did an excellent job. There were right on time, worked quickly, cleaned up and were very friendly. They seemed knowledgeable about electrical work and were more than fair with cost. They even installed my DirectTV! I love what they did and would most definitely recommend them.
618 Electric
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Reviewed in September 2021
Dan and his company were amazing. Arrived at 9 AM and by 12 noon had installed 180 x 20 foot driveway along with a roundabout access to a lower level.Excellent crew who, by their demeanor and work ethics, showed they had a good boss and that they had worked together for a long time. If there was...
C Pave
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Reviewed in December 2020
Sam did a great job, I would highly recommend him. I had a new kitchen faucet installed, it took no time to get the job done and cleaned up . Awesome!
Handy Projects
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Reviewed in August 2020
Shane was very knowledgeable, gave us a great price, was in and out and left our home with a great system installed with no fuss. Great service!
Ohana Heating & Air
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Find Generator install pros in Centralia

Tri-State Water, Power & Air

4.8(

)

Fixed Generator - Install

Serving Centralia, IL and surrounding areas

Approved

In business since 1993

Free estimates

Emergency services offered

"Kelly installed a new toilet for us. He did a superb job and he deserves a raise. He has such a great attitude. He is a keeper & again, he deserves a raise!! And I am not his mother or grandmother."

52 neighbors recently requested a quote

Recommended by97%of homeowners

Request Quote

Purcell Electric Company

5.0(

)

Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Centralia, IL and surrounding areas

Approved

In business since 1974

Free estimates

Emergency services offered

"Purcell Electric is very reliable and knowledgeable."

4 neighbors recently requested a quote

Request Quote

ADS Electric Company LLC

New to Angi

Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Centralia, IL and surrounding areas

Approved

In business since 1999

Free estimates

Offers commercial services

We are a locally owned and operated company. We value honesty and integrity in all aspects of our business. We offer a variety of home improvement services that are customized to each individual project. We pride ourselves on the quality of our work, as well as our commitment to outstanding results. We look forward to building lasting relationships with our clients and guarantee your satisfaction!

Response time3 hrs

Fixed Generator - InstallFixed Generator - Repair

Serving Centralia, IL and surrounding areas

In business since 1993

Emergency services offered

Warranties offered

"both certified plumbers were GREAT today...glad things were fixed under my manufactured home,,,puts me more at ease....different Tiger guys will be here on Thursday to fix something else under ,y home....ALWAYS like the way the Tiger guys do their work. Chyrel W"

Without Tiger Signature Drainage Matting

+27

Response time1 day

Recommended by79%of homeowners

Fixed Generator - InstallPortable Generator - Install

Serving Centralia, IL and surrounding areas

In business since 2000

Free estimates

"My husband and I were very pleased with Jason Kunz Electric, Jason was very prompt on giving us an estimate on a whole house generator and the follow through with the installation was very good also. We would definitely recommend Jason! Paul & Judy Struharik"

Recommended by100%of homeowners

Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Centralia, IL and surrounding areas

In business since 2008

Free estimates

"This company has great customer service, no hidden surprises. Gave me options up front and quotes."

Recommended by100%of homeowners

Generator - Install - For BusinessGenerator - Repair - For Business

Serving Centralia, IL and surrounding areas

In business since 2020

Free estimates

Credit card accepted

"Satisfaction guarantee and I highly recommend."

Response time1 day

Recommended by100%of homeowners

Request Quote

Live Wire Electric

New to Angi

Fixed Generator - InstallFixed Generator - RepairPortable Generator - Install+1 more

Serving Centralia, IL and surrounding areas

In business since 2018

Free estimates

Offers commercial services

24 hrs available per request\ncleanliness when cleaning and will recycle materials

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Tri-State Water, Power & Air

4.0(

)

Fixed Generator - Install

Serving Centralia, IL and surrounding areas

In business since 1993

Free estimates

Emergency services offered

"They performed everything they said would do."

Response time1 day

Response rate96%

Recommended by100%of homeowners

Request Quote

SOILES

New to Angi

Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Centralia, IL and surrounding areas

SO.IL.E.S. in short stands for Southern Illinois Electric Services. We provide customers with a straightforward service. 15+ years of experience. Anything from Solar, Generators, to just replacing switches and outlets.

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Showing 1-10 of 15

Generator Install questions, answered by experts

Yes, installing a generator usually increases your property value because buyers are getting the added peace of mind knowing they’ll be able to maintain power through blackouts. In most cases, you should see close to a 100% return on investment (ROI). Keep in mind that home generators usually need a permanent foundation, and installing a concrete slab will likely raise your property taxes slightly.

Whole-house generators need to be installed on level ground several feet away from walls and other objects. Because they tap into the electrical system directly, they usually need to be close to your home electrical panel for a transfer switch installation. It also helps with installation if they are near to a gas line or propane tank installation.

If you have a transfer switch properly installed, the generator and main electrical power cannot feed the system at the same time. However, you should still shut off the power at your main circuit breaker panel before activating the generator. If you do that, you’ll simply need to shut off the generator and reset your circuit breaker once the local power comes back on.

A portable generator can supply power to selected appliances and circuits in a home, but it's generally not designed to handle the entire household's electrical needs simultaneously. Portable generators have limited wattage capacity, so they are only designed to power essential devices and electronics temporarily until local power is restored. If your power needs outweigh the capabilities of a portable generator, consider installing a whole-home generator instead.

While the rating will tell you how many watts the refrigerator needs at the peak of its cycle, it requires additional wattage to start. At the bare minimum, you’ll need a 1,500-watt generator to get the fridge up and running after a blackout. A 2,000-watt generator should be sufficient for most home refrigerators.

The Centralia, IL homeowners’ guide to generator installs

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

See all articles

Alison Kasch
•
Apr 4, 2026Apr 4, 2026
How Much Does It Cost to Install a Generator Transfer Switch? [2026 Data]
The cost to install a generator transfer switch depends on several factors. Our guide will help you understand all of the costs.
Taylor Freitas
•
Apr 6, 2026Apr 6, 2026
How Much Does a Whole-House Generator Cost? [2026 Data]
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.
Alison Kasch
•
May 3, 2026May 3, 2026
How Much Does a Natural Gas Generator Cost? [2026 Data]
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.
Dan Simms
•
May 21, 2026May 21, 2026
How to Hire a Generator Installer
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.
Heather Ayer
•
May 3, 2026May 3, 2026
Whole-House Generator Installation: A Complete Guide
Whole home generator installations require a professional hand. Read this guide to help you decide which generator is best for your home.
Becca Lewis
•
Apr 5, 2026Apr 5, 2026
Who Installs Generators? A Complete Guide
Wondering who to hire to install a generator? Consult this guide to learn who to hire to install a generator or a transfer switch.