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Verified Reviews for Generator Install pros in Holley, NY

*The Angi rating for Generator Install companies in Holley, NY 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 Holley, NY 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 November 06, 2025

Find Generator install pros in Holley

Avatar for Anderson Water & Power
Anderson Water & Power
4.4(
618
)

Serving Holley, NY and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1988

Free estimates

Emergency services offered

"We really like the professional job done by Paul, James III and Nate, they answered all our questions and explained everything to our understanding. They are no doubt well-trained in their field and dedicated to the reputation of the company. Kudos to our saleperson Tom, who also happens to be the president. We had on-location visits from 3 companies to have a whole-house generator installed and no doubt picked the best company."
Free Water Test!
Cummins
Cummins Install
Cummins
Transfer switch Cummins

+62

193 neighbors recently requested a quote
Recommended by89%of homeowners
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Avatar for Hurricane Home Solutions, Inc.
Hurricane Home Solutions, Inc.
4.7(
244
)

Serving Holley, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Emergency services offered

"Pretty straight forward. Establish size,generator. Installed in an afternoon. Work professional and neat."
Champion Power Equipment Logo
8.5kW Side Profile
8.5kW Front Profile
Champion Automatic Transfer Switch
Cummins Logo

+9

Response time10 mins
13 neighbors recently requested a quote
Recommended by95%of homeowners
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John Betlem Heating & Cooling Inc - Electrical
4.7(
157
)

Serving Holley, NY and surrounding areas

Approved (Corporate)

In business since 1941

Free estimates

Emergency services offered

John Betlem Heating & Cooling is a 3rd generation company founded in 1941. They provide Residential HVAC, Electrical and Insulation Services to Rochester, NY and the surrounding towns. John?s slogan that still holds true today is to do ?whatever it takes? to satisfy customers.\n\nJohn Betlem is a premier family operated solutions provider, passionately committed to the health, safety, and comfort for all they serve.

61 neighbors recently requested a quote
Recommended by91%of homeowners
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Reliable Power Systems
4.8(
53
)

Serving Holley, NY and surrounding areas

In business since 2008

Free estimates

"Mike went above and beyond for me today. I need the generator for medical and respiratory equipment and Mike rearranged his schedule to get the generator running today! Very knowledgeable, and someone I immediately trusted and felt blessed by the introduction and service he provided to me and my family. I would strongly, recommend Reliable Power Systems and will certainly continue to call on them."
Recommended by100%of homeowners
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Avatar for Schedel Electric
Schedel Electric
5.0(
10
)

Serving Holley, NY and surrounding areas

In business since 2022

Free estimates

Emergency services offered

We sustain our business on quality and integrity. We are experts in our trade and our commitment to quality from beginning to end of your project. We look forward to earning your business. Call us anytime with any questions you may have. Thanks for your time and have a great day.

Response time5 hrs
Response rate98%
Recommended by100%of homeowners
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Avatar for AADTech Electric, LLC
AADTech Electric, LLC
4.8(
2
)

Serving Holley, NY and surrounding areas

In business since 2010

Free estimates

Emergency services offered

Welcome to AADTech Electric, LLC, the leading electric specialists serving Rochester and the surrounding areas. With over 10 years of experience in projects ranging from panel generator repair to wiring for new homes, we look forward to earning your business. Call today for a free estimate!

Upscale Restaurant
Time Square Building
Time Square Building
Five Guys Restaurant
Verizon Wireless

+26

Response time30 mins
Recommended by100%of homeowners
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Roz's Electric
5.0(
3
)

Serving Holley, NY and surrounding areas

In business since 2021

Free estimates

Credit card accepted

We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.

Response time11 hrs
Recommended by50%of homeowners
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Showing 1-10 of 22
Generator Install questions, answered by experts

To power a central air system during a power outage, the whole-house generator will need to be at least 5,000 watts, and this number will significantly increase for larger units. Check the specific wattage requirements of your AC unit to choose the right generator size. Consider consulting a generator installer to ensure your whole-house generator meets your electrical load needs.

You can expect a diesel generator to last for up to 30,000 hours of use, which works out to 20 to 25 years with the proper maintenance, of course. That depends on how much you use it, so a diesel generator used for emergencies a couple of times a year will last a lot longer than a generator that takes over for a faulty electrical grid every month for a day or two. 

It is safe to run a generator continuously, but you must follow safety protocols to ensure personal and home safety. Read the manufacturer’s instructions for specific recommendations, but the general recommendation is to turn generators off overnight or when you’re away from the house. Overworked generators can pose a fire hazard and if your generator is not in a well-ventilated area, running it continuously could lead to carbon monoxide poisoning.

The amount of time a standby generator can run continuously is around 3,000 hours on average. However, standby generators can generally run indefinitely as long as they have a continuous fuel supply. Generators hooked up to a home’s natural gas supply are the best option for extended usage, as these won’t rely on a finite fuel supply based on how much you have in storage. Generators running on liquid propane or diesel won’t last as long, as these require fuel storage and regular refueling to stay running.

Carbon monoxide emissions aren’t only dangerous to human life, but they also harm our planet. While natural gas generators emit lower levels of CO than other fuel sources, there are still ways to reduce emission levels. For example, shop around for an eco-friendly generator that complies with current emission standards. Also, make sure your generator is serviced regularly to avoid CO buildup. 

The Holley, NY 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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