• <div><p>When installed and used correctly, generators are safe to use. The <a href="https://www.angi.com/articles/power-out-3-tips-safely-operate-home-generator.htm">most critical generator safety tips</a> to keep in mind are:</p><ul><li><p>Never use a portable generator inside an enclosed space, as the carbon monoxide exhaust it creates is lethal.</p></li><li><p>Never attempt to connect your generator to your home’s electrical panel independently; hire a professional for this dangerous job.</p></li><li><p>Never overload your generator by connecting more appliances than for which it’s rated; you can damage your generator and appliances or even cause a fire.</p></li></ul><p></p></div>

What are the pros and cons of using a natural gas generator?

• <div><p>Potential benefits of using a natural gas generator include reducing your carbon footprint, lower likelihood of carbon monoxide exposure, budget-friendly operating costs, and low-maintenance, continuous fuel supply. Some possible drawbacks, though, include higher initial <a href="https://www.angi.com/articles/how-much-does-it-cost-install-generator.htm">installation costs</a>, dependency on a natural gas supply, and installation complexity. Keep in mind that pros and cons will vary based on the type and brand of natural gas generator. </p></div>

Get matched with top generator install pros in Shannon, IL

Q: How much does portable generator installation cost?

• <div><p>Costs range from $500 to $2,500, depending on generator type and installation complexity.</p></div>

Q: How much horsepower do I need?

• <div><p>If your home already has a grinder pump and you&rsquo;re still noticing issues (like frequently clogged toilets and sinks), it could be time to upgrade your grinder pump. Start by checking your existing horsepower. If there are four or fewer people living in your home, using a 1/2-horsepower grinder pump should be sufficient. Larger households should consider investing in a 1-horsepower grinder pump to maximize wastewater removal efforts.</p></div>

Q: Can you use your electric car as a backup battery?

• <div><p>If you&rsquo;re wondering <a href="https://www.angi.com/articles/using-electric-car-as-home-generator.htm">if you can use your electric vehicle as a backup battery</a>, it depends on whether your EV is compatible with bidirectional charging. This technology allows energy to flow both ways, enabling vehicle-to-home (V2H) backup power, vehicle-to-load (V2L) for appliances and camping, and vehicle-to-grid (V2G) to support the power grid. Compatible EVs convert stored DC energy into usable AC power, helping reduce energy costs and enhance grid stability while providing emergency backup power.</p></div>

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Verified Reviews for Generator Install pros in Shannon, IL

*The Angi rating for Generator Install companies in Shannon, 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 Shannon, 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 27, 2025

Reviewed in October 2024
The sales rep was knowledgeable and helped to narrow down the best options for us. Measurements were accurate and once the door was available, installation was scheduled quickly. The installer did a great job and made sure every detail was attended to.
Illinois Energy Windows & Siding, Inc.
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Reviewed in February 2024
Great - got it installed in about a week. Did a great job!
Copper Sky Plumbing
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Reviewed in January 2019
Made an appointment. I was given a half hour window, told we were the first appointment of the day. ( 8:30). At 9:20, called and was told that someone was coming, but couldn't promise when. At 11:40, received a message that someone was on my way. A customers time is just as valuable as the...
Popejoy Inc
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Reviewed in August 2014
Good. Jim troubleshooted the air conditioner and found a bad capacitor. Helpful info on AC life and general maintenance.
Brian and Sons INC.
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Reviewed in June 2014
From showroom to installation it was a very pleasant experience.
Creative Carpet & Flooring - Mokena
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Reviewed in May 2014
Brian replied promptly and gave me an estimate on a weekend. The job was to replace my old wood garage door with a new one, replace rotted trim molding and install a new header. I had already ordered a door which some other installers didn't want to bother with, but it wasn't a problem for...
GARAGE DOORS & MORE LLC
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Reviewed in March 2014
They do a good job. We tried multiple times to get them to close the backyard gates (to keep our dog in), but we couldn't get it done until we posted a sign in spanish! That did the trick. The staff are VERY nice people and they do a professional job. We tried to get them to do more general...
MONTANO LANDSCAPING
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Reviewed in June 2013
On the whole their service was excellent. They were on time. They were quick. They do just a general good stuff.
EZ-AIR INC
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Reviewed in April 2013
Resounded to install call promptly /job was done quality and as promised and done well.
A C ELECTRIC SVC
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Reviewed in October 2011
Cooney Funeral Home recently handled the funeral arrangements for my mother. Her family has used Cooneys since at least the late 1950s. My mother's death was very sudden and making arrangements that day would have been much more difficult had it not been for the empathic, caring, and...
COONEY FUNERAL HOMES
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Find Generator install pros in Shannon

Tri-State Water, Power & Air

9526 Corsair Rd

New on AngiNew on Angi

•Approved Pro

Tri-State Water, Power & Air

9526 Corsair Rd

New on AngiNew on Angi

•Approved Pro

97 local quotes requested

33 years of experience

We are the experts in the field of Whole Home Generator Sales and Installation, with over 20 years of experience in the game. We provide turn-key installation by licensed professionals - 24 hour emergency service - Remote Monitoring - Long term maintenance and service by factory trained technicians.

Accent Tel USA

3501 Bessie Coleman Blvd, Suite 25203

4.89(

)

•Approved Pro

Accent Tel USA

3501 Bessie Coleman Blvd, Suite 25203

4.89(

)

•Approved Pro

Customers say: Quick response

16 years of experience

Free onsite estimate

Our Company provides a one-stop solution for all of your voice, internet, and telecom needs. Leveraging the Cloud we provide your Office state-of-the-art telephones for little or no upfront cost striving to keep your monthly costs the same. Sound too good to be true? Give us a call and we will show you how.

"Telephone System - Install or Upgrade - For Business "

Anthony O on September 2025

"Telephone System - Install or Upgrade - For Business "

Anthony O on September 2025

Licensed, bonded and insured contractors, 24/7 emergency service, paperless billing, excellent customer service, professional technicians, custom electrical design planning, custom installations, custom remodeling.

My Classic Car Trader LLC

312 Prospect Ave

2.00(

)

My Classic Car Trader LLC

312 Prospect Ave

2.00(

)

53 years of experience

Sales, Service & Rebuilding of Antique and Classic Car Components such as, Carburetors, Starters, Generators, Fuel Pumps, Double & Single Action Fuel Pump Rebuilding, Water Pumps, Hydraulic Top Pumps, Distributors, and DELCO Knee Action Shocks, We also carry a complete line of NOS and NORS parts. We offer FREE Technical advice for any YEAR Classic Car 609-462-7412

"Beware. They charged me double shipping even after I told them I would wait so I wouldn’t have to pay two shipping fees. The last item was a fuel pump that I had a problem with. I have made 4 calls to ask for help with no return call. Poor"

Frank H on July 2020

"Beware. They charged me double shipping even after I told them I would wait so I wouldn’t have to pay two shipping fees. The last item was a fuel pump that I had a problem with. I have made 4 calls to ask for help with no return call. Poor"

Frank H on July 2020

Lee Legler Construction & Electric Inc

181 Wolf St Unit A

4.91(

)

Lee Legler Construction & Electric Inc

181 Wolf St Unit A

4.91(

)

Customers say: Quality work

Recommended by 100% of Angi customers

Generac Automatic Home Generator Dealer ,Sales and Service Home and small business electric installations, repairs and upgrades Generator Maintenance and repair Generac Home Standby Generators in stock

"Lee and his crew were very professional and did an amazing job. We now have a Generac whole house automatic standby generator ready to go if our electric service ever fails. My wife and I and our contractor all have an app that gives us the generator's status, maintenance requirements, run time, etc., etc.....if the unit fails to start (for example) we will all get an alert and they have 24/7 service so this is extremely reassuring."

Russell P on January 2023

"Lee and his crew were very professional and did an amazing job. We now have a Generac whole house automatic standby generator ready to go if our electric service ever fails. My wife and I and our contractor all have an app that gives us the generator's status, maintenance requirements, run time, etc., etc.....if the unit fails to start (for example) we will all get an alert and they have 24/7 service so this is extremely reassuring."

Russell P on January 2023

Griffin Electric Inc

340 S Schrader Ave

3.67(

)

Griffin Electric Inc

340 S Schrader Ave

3.67(

)

Customers say: Quick response

86 years of experience

We offer financing through FTL Finance for large projects such as new Furnace, Air Conditioning and Boiler Systems.

"Woke up w/o heat on a frigid January morning. After failing to get the furnace back on, we called Griffin. The owner took the call and arrived within 30 minutes. He diagnosed the problem, ran to town to get a new part, and had it installed and up-and-running in less than 2 hours, all w/o breaking the bank. He was friendly, professional, and honest."

Kurt J on January 2022

We offer financing through FTL Finance for large projects such as new Furnace, Air Conditioning and Boiler Systems.

"Woke up w/o heat on a frigid January morning. After failing to get the furnace back on, we called Griffin. The owner took the call and arrived within 30 minutes. He diagnosed the problem, ran to town to get a new part, and had it installed and up-and-running in less than 2 hours, all w/o breaking the bank. He was friendly, professional, and honest."

Kurt J on January 2022

Fowler Heating & Cooling

423 S Court St

4.64(

)

Fowler Heating & Cooling

423 S Court St

4.64(

)

Customers say: Super punctual

Recommended by 90% of Angi customers

Fowler Heating and Cooling is Family owned and operated. Serving the Southern Illinois Area since 1979. Specializing in Heating, Air Conditioning, Furnaces, and Duct Cleaning. Our dedication and appreciation of our customers and their needs has resulted in over 70% of our business comes from referrals. We care about our quality of our work, and the relationships with our customers. ‎ [email protected].

Generator Install questions, answered by experts

When installed and used correctly, generators are safe to use. The most critical generator safety tips to keep in mind are:

Never use a portable generator inside an enclosed space, as the carbon monoxide exhaust it creates is lethal.
Never attempt to connect your generator to your home’s electrical panel independently; hire a professional for this dangerous job.
Never overload your generator by connecting more appliances than for which it’s rated; you can damage your generator and appliances or even cause a fire.

Costs range from $500 to $2,500, depending on generator type and installation complexity.

Potential benefits of using a natural gas generator include reducing your carbon footprint, lower likelihood of carbon monoxide exposure, budget-friendly operating costs, and low-maintenance, continuous fuel supply. Some possible drawbacks, though, include higher initial installation costs, dependency on a natural gas supply, and installation complexity. Keep in mind that pros and cons will vary based on the type and brand of natural gas generator.

If your home already has a grinder pump and you’re still noticing issues (like frequently clogged toilets and sinks), it could be time to upgrade your grinder pump. Start by checking your existing horsepower. If there are four or fewer people living in your home, using a 1/2-horsepower grinder pump should be sufficient. Larger households should consider investing in a 1-horsepower grinder pump to maximize wastewater removal efforts.

If you’re wondering if you can use your electric vehicle as a backup battery, it depends on whether your EV is compatible with bidirectional charging. This technology allows energy to flow both ways, enabling vehicle-to-home (V2H) backup power, vehicle-to-load (V2L) for appliances and camping, and vehicle-to-grid (V2G) to support the power grid. Compatible EVs convert stored DC energy into usable AC power, helping reduce energy costs and enhance grid stability while providing emergency backup power.

The Shannon, 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

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•
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•
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•
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Can a Whole-House Generator Run an Air Conditioner?
A whole house generator can keep your home running during a power outage, but can it handle the energy demands of an air conditioner? Here’s what to consider.
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•
Feb 14, 2025Feb 14, 2025
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Before installing a fixed generator, think about your use and space. Review these backup generator questions to prepare for a talk with your contractor.
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•
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The type of generator and its fuel source can make the difference between whether it provides temporary relief of long-term comfort. Find out how long a whole house generator can run continuously.