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Verified Reviews for Generator Install pros in Roscoe, IL

*The Angi rating for Generator Install companies in Roscoe, 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 Roscoe, 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 March 11, 2026

Find Generator install pros in Roscoe

Avatar for Tri-State Water, Power & Air
Tri-State Water, Power & Air
5.0(
5
)
Fixed Generator - InstallGenerator - InstallGenerator - Install - For Business

Serving Roscoe, 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.

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+3

44 neighbors recently requested a quote
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Avatar for MAINSTREAM ELECTRICAL CONTRACTORS LLC
MAINSTREAM ELECTRICAL CONTRACTORS LLC
5.0(
18
)
Fixed Generator - Install

Serving Roscoe, IL and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"Desmond is always prompt on returning text messages and emails. I liked his strategic planning of where each recessed light would be placed, assuring to have light exactly where it would be needed and placed for looks aswell. It came out really lovely. He also rewired our electrical box when all the wiring was found in the soffit we had removed. The wiring was to short to get into the wall and he made it happen so we could drywall. I definitely recommend Desmond for any electrical project you might have or want done."
10 neighbors recently requested a quote
Recommended by61%of homeowners
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Avatar for Imperial electric
Imperial electric
5.0(
17
)
Fixed Generator - InstallFixed Generator - RepairPortable Generator - Install

Serving Roscoe, IL and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"Assessed all outlets and changed those that were improperly installed and could damage things plugged into them, and grounded the outlets that were not grounded. 19 recepticles in all. Price was good and arrived on time, and clean."
153 neighbors recently requested a quote
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The Electric Guys LLC
5.0(
6
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+2 more

Serving Roscoe, IL and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"I first asked for a quote back in February of 2024. When I received the quote I decided to wait on this project. Then we lost power for 2 days due to a storm. I then decided it was time and contacted the contractor again. He sent me an updated quote and the project was scheduled. It's now installed and I'm very happy with how it turned out. Hopefully it will be a long time before we need to use the generator because we lose our power. But we are ready when it happens. I will definitely use this company again for any electrical jobs that come up. Andrew and his crew were great."
Response time1 day
Recommended by100%of homeowners
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Avatar for S&S Electrical
S&S Electrical
5.0(
6
)
Fixed Generator - InstallGenerator - Install - For Business

Serving Roscoe, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2017

Credit card accepted

Offers commercial services

"If you’re looking for a reliable, hard working electrician then Matt Schwarz is your guy. From start to finish Matt was honest about everything and very knowledgeable. He got the job done right. Would highly recommend him for all your electrical needs."
Response time12 hrs
4 neighbors recently requested a quote
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Avatar for Amg Power
Amg Power
New to Angi
Portable Generator - Repair

Serving Roscoe, IL and surrounding areas

Approved

Emergency services offered

Small jobs welcome

Credit card accepted

AMG Power delivers expert residential electrical services backed by 25+ years of experience from our roots in Trak Electric. From panel upgrades and lighting to troubleshooting and remodels, we provide safe, reliable, and high-quality work you can trust.

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Generator Install questions, answered by experts

An undersized whole-house generator has the potential to overheat and shut down when you try to run a central AC system. This scenario can not only damage the whole-house generator, but can also trip your home’s breakers or cause electrical damage. To avoid this situation, hire a local generator installer to correctly size your whole-house generator.

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. 

Setting up utilities on a vacant property usually takes at least a few months, or between 6 weeks to 16 weeks. This process requires working with the local planning and zoning department, hiring a building contractor or engineer to design the utility layout, securing permits, laying the lines, and connecting the utilities.

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

Generators are usually sized by running watts and starting watts. Ideally, you’ll want a generator that can offer both the necessary running watts and starting watts for everything you need to power without going beyond 90% of its capacity. Calculate your home’s electrical load based on the breakers in your home or adding up the appliance and lighting needs of connected rooms.

The Roscoe, 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