Get matched with top generator install pros in Viola, IL

Q: Can you switch fuel types for a whole-house generator?

• <div><p>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.</p></div>

Q: Do diesel generators have any important downsides?

• <div><p>While diesel is relatively stable, it won&rsquo;t last nearly as long as propane and you may have to replace it if it sits unused for too long. Diesel can sometimes struggle to work efficiently or start engines during especially cold weather, so it&rsquo;s not the best choice for every climate. Compared to fuels like propane and natural gas, diesel generators tend to be noisier and create more exhaust, which isn&rsquo;t always ideal for home use. </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>

Q: Do I need a permit to install a portable generator?

• <div><p>You may need a permit for a portable generator if you&rsquo;ll be installing a transfer switch for your primary residence or similar work. Otherwise, a permit for other uses may not be necessary. Check your local building codes or ask a local generator installer for more information about your local regulations.</p></div>

Q: How long can a whole-house generator run continuously?

• <div><p>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.</p></div>

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Verified Reviews for Generator Install pros in Viola, IL

*The Angi rating for Generator Install companies in Viola, 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 Viola, 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 April 03, 2026

Reviewed in April 2026
I received a phone call within 48 hrs. Technician came out to give estimate within 24 hrs. Technician even temporarily patched area of metal roof (ridge cap) where hole was after hail/wind storm. Very reasonable price. The 2 men were considerate, polite, timely and professional. I did secure...
Moeller Construction
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Reviewed in August 2025
I had my AC installed by Kale company about 5 years ago and I have always talked highly due to the good job they did. Well I referred my mom to them and it did not go so well . After a few visits $700 later no AC working and no credit given. Apparently there was a hard start kit on this brand...
Kale Heating & Air Conditioning
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Reviewed in March 2024
They installed a hanging heater in my garage and rerouted the gas line to the heater. The job was done quickly and i had superb customer service with them.
All Seasons Mechanical
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Reviewed in August 2022
Excellent job with installation and providing instructions. The dogs have adapted to the fencing nicely.
Dog Guard
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Reviewed in March 2022
Very quick and very efficient service. Installers were friendly and professional. Highly recommend this company!!!
M & L Countertops & More, Inc.
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Reviewed in April 2021
Steer Clear of these Jokers! Installation was a nightmare and full of poor Quality! we have water damage in the house that has cost us thousands of dollars. They claim they will file warranty paperwork like all reputable company's do. We never knew it till we had a warranty problem that ended up...
CBC Plumbing heating & air LLC
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Reviewed in July 2019
The young men that installed our new roof were very professional. They worked hard the entire time and I enjoyed having there here at our home. The roof looks great and they cleaned up perfectly. They also stacked all the scrap wood for my bird house building.
Wilson Residential Construction Services, LLC
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Find Generator install pros in Viola

Tri-State Water, Power & Air

5.0(

)

Serving Viola, IL and surrounding areas

Approved (Corporate)

In business since 1992

Free estimates

Emergency services offered

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

40 neighbors recently requested a quote

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Mid America Lightning Protection

4.5(

)

Serving Viola, IL and surrounding areas

Approved

In business since 1969

Free estimates

Emergency services offered

"Responsive, fair pricing. Quality of installation could have been done a little better as rods were slightly crooked and they did not pull the wiring tout on top of house so not totally parallel to roof line."

+70

Response time6 hrs

Response rate94%

3 neighbors recently requested a quote

Serving Viola, IL and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

+66

Response time1 day

Response rate85%

2 neighbors recently requested a quote

Serving Viola, IL and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Joe, Mark, and Their Team did a Splendid Job for Us on this Business Phone Line Install. There are Very Knowledgeable and provided the Needed Assessment and "Fix" in a Very Timely Manner. I Highly Recommend Accent Tel USA! God Bless You! Philippians 1:3-6! Have a Wonderful Day in the Neighborhood & "Stay on the Nice List"! :)"

Response time3 hrs

Response rate99%

5 neighbors recently requested a quote

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Todd

New to Angi

Serving Viola, IL and surrounding areas

Approved

Free estimates

Emergency services offered

Hello, I offer a multitude of services including handyman, cabinet installation, a multitude of repair and construction services, and more. Feel free to reach out to me to see if I can help you with whatever services you need completed.

2 neighbors recently requested a quote

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Power Services Company, LLC

5.0(

)

Serving Viola, IL and surrounding areas

In business since 2010

Free estimates

Credit card accepted

"Very professional, the best generator company I have worked with."

Response time1 day

Recommended by100%of homeowners

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Empire Electric, Inc.

5.0(

)

Serving Viola, IL and surrounding areas

In business since 2022

Credit card accepted

Offers commercial services

"Hardwired car charger and upgraded the fuse box. Nice people to work with. Cares about customers needs. Cost lower than other bids. Couldnâ t be more impressed with their service. Highly recommended. I will use them for any future electrical needs."

Response time11 hrs

Response rate100%

Recommended by100%of homeowners

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Lightning Defense, LLC (Illinois)

4.6(

136

)

Serving Viola, IL and surrounding areas

In business since 1972

Free estimates

Emergency services offered

"John Sherlock and his wife are the consummate professionals! I would highly recommend them. Their attention to detail and installation quality, was superb. Johns knowledge of Lighting protection is apparent after 40+ years. You will not be disappointed . July 2020. D.Riggio Carterville, Illinois"

+13

Response time4 hrs

Recommended by100%of homeowners

Serving Viola, IL and surrounding areas

In business since 2018

Free estimates

"We are very satisfied with Mike's service. Efficient, quick, did a total clean-up after he changed fans. Will definitely hire him again should I need an electrician."

Response time11 hrs

Recommended by95%of homeowners

Serving Viola, IL and surrounding areas

In business since 2008

Emergency services offered

Credit card accepted

"They were informative! It's a family business that is generational in their craft. They explained my unit to me and gave me tips to improve it's care. I will be using them in the future for maintenance."

Recommended by82%of homeowners

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Showing 1-10 of 45

Generator Install questions, answered by experts

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.

While diesel is relatively stable, it won’t last nearly as long as propane and you may have to replace it if it sits unused for too long. Diesel can sometimes struggle to work efficiently or start engines during especially cold weather, so it’s not the best choice for every climate. Compared to fuels like propane and natural gas, diesel generators tend to be noisier and create more exhaust, which isn’t always ideal for home use.

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.

You may need a permit for a portable generator if you’ll be installing a transfer switch for your primary residence or similar work. Otherwise, a permit for other uses may not be necessary. Check your local building codes or ask a local generator installer for more information about your local regulations.

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 Viola, 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.
Jenna Jonaitis
•
Mar 19, 2026Mar 19, 2026
6 Questions to Ask About Installing a Fixed Backup Generator
Before installing a fixed generator, think about your use and space. Review these backup generator questions to prepare for a talk with your contractor.
Tyler Lacoma
•
May 21, 2026May 21, 2026
How to Use a Portable Generator: A Complete Guide
Portable generators are handy for many reasons, but they require care to prevent fire, electrocution, and more. Stay safe with this guide on how to use a generator.
Tyler Lacoma
•
May 3, 2026May 3, 2026
How Do Natural Gas Generators Work?
Natural gas generators can tap into existing gas lines so they never run out of fuel. Here’s how they work and how they’re used.