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    Verified generator installs reviews

Find Generator install pros in Greenlawn

J.A. WOOD ELECTRICAL CONTRACTORS INC.

New on AngiNew on Angi
Approved Pro

J.A. WOOD ELECTRICAL CONTRACTORS INC.

New on AngiNew on Angi
Approved Pro
5 years of experience

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.


Ez Network Cabling, Inc

5.00(
2
)
Approved Pro

Ez Network Cabling, Inc

5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
3 years of experience

We specialize in appliance repair for a variety of major brand appliances including, but not limited to, LG, Samsung, Maytag, Whirlpool, Viking, and Subzero. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We look forward to building long-term relationships with our clients and guarantee your satisfaction! We offer a 24 HOUR EMERGENCY SERVICE as well as a ONE YEAR WARRANTY on our appliance repair services.

"Professional, knowledgeable and competent"

Christian B on September 2022

We specialize in appliance repair for a variety of major brand appliances including, but not limited to, LG, Samsung, Maytag, Whirlpool, Viking, and Subzero. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We look forward to building long-term relationships with our clients and guarantee your satisfaction! We offer a 24 HOUR EMERGENCY SERVICE as well as a ONE YEAR WARRANTY on our appliance repair services.

"Professional, knowledgeable and competent"

Christian B on September 2022


Avatar for Carlos Home Improvement

Carlos Home Improvement

New on AngiNew on Angi
Approved Pro

Carlos Home Improvement

New on AngiNew on Angi
Approved Pro
15 years of experience
Free onsite estimate

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.


Avatar for Hephaestus Renovation

Hephaestus Renovation

5.00(
2
)
Approved Pro

Hephaestus Renovation

5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
8 years of experience

Hephaestus is your go-to service professionals for all residential and commercial areas. We provide services like Interior Painting, Cabinet Installation. Flooring Installation, Custom Closet Organization, and TV wall mount. We do it all and more! We have professional technicians that specialize in their fields so they can deliver the best craftsmanship and customer service to our clients! Contact us at [email protected] or call us! Visit our site for more info.

"Carlos was extremely attentive to what I needed for my closets and provided great recommendations as we were brainstorming different solutions for how to customize for my new condo. He was prompt in all of our correspondences and transparent about the entire process. I have a couple of oddly designed closet doors that we had to work around; but when the drawers I was hoping for weren't available, Carlos said that he would custom build to what I wanted! We hit a speedbump with me catching covid, but Carlos was very supportive and still came through to complete 2 out of the 3 closets I contracted him for while I stayed at the far opposite end of the condo. I was so grateful for the enthusiasm, professionalism, and straight up care Carlos and his partner put into this project. And I am LOVING the work that's been done so far! Can't wait to get better so that we could start back up on the master bedroom closet!"

Kissa F on January 2021

Hephaestus is your go-to service professionals for all residential and commercial areas. We provide services like Interior Painting, Cabinet Installation. Flooring Installation, Custom Closet Organization, and TV wall mount. We do it all and more! We have professional technicians that specialize in their fields so they can deliver the best craftsmanship and customer service to our clients! Contact us at [email protected] or call us! Visit our site for more info.

"Carlos was extremely attentive to what I needed for my closets and provided great recommendations as we were brainstorming different solutions for how to customize for my new condo. He was prompt in all of our correspondences and transparent about the entire process. I have a couple of oddly designed closet doors that we had to work around; but when the drawers I was hoping for weren't available, Carlos said that he would custom build to what I wanted! We hit a speedbump with me catching covid, but Carlos was very supportive and still came through to complete 2 out of the 3 closets I contracted him for while I stayed at the far opposite end of the condo. I was so grateful for the enthusiasm, professionalism, and straight up care Carlos and his partner put into this project. And I am LOVING the work that's been done so far! Can't wait to get better so that we could start back up on the master bedroom closet!"

Kissa F on January 2021


Avatar for A/C Performance Power, Inc.

A/C Performance Power, Inc.

5.00(
4
)
Approved Pro

A/C Performance Power, Inc.

5.00(
4
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
8 years of experience

A/C Performance Power, Inc., offers 20 years of experience in the generator industry. We specialize in residential, marine and commercial generator service and repair. We offer ,Sales service contracts and installations. We work on all makes ,models and sizes .We are Natural Gas and Diesel engine Specialists.We're committed to providing a personalized service for each individual project we take on & look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

"I just had my generator repaired by Jim Birch, owner of AC Performance Power. This is the company to use. He actually answers your texts, and He takes your call. He shows up when he tells you. Whether it's 6 am or 10 pm. He or one of his guys (blade the Man) will be there. Not only does he do the job, you know he does it right. It's the busiest season, so Jim and his team work long days to finish the job. I had a really difficult short in my generator, and in the end, Jim needed to field-fix my PC board. I am back up and running. 5 stars to Jim and his crew."

Robert C on July 2023

A/C Performance Power, Inc., offers 20 years of experience in the generator industry. We specialize in residential, marine and commercial generator service and repair. We offer ,Sales service contracts and installations. We work on all makes ,models and sizes .We are Natural Gas and Diesel engine Specialists.We're committed to providing a personalized service for each individual project we take on & look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

"I just had my generator repaired by Jim Birch, owner of AC Performance Power. This is the company to use. He actually answers your texts, and He takes your call. He shows up when he tells you. Whether it's 6 am or 10 pm. He or one of his guys (blade the Man) will be there. Not only does he do the job, you know he does it right. It's the busiest season, so Jim and his team work long days to finish the job. I had a really difficult short in my generator, and in the end, Jim needed to field-fix my PC board. I am back up and running. 5 stars to Jim and his crew."

Robert C on July 2023


Avatar for OptimizedVoIP

OptimizedVoIP

5.00(
13
)
Approved Pro

OptimizedVoIP

5.00(
13
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
10 years of experience

Call 212-779-4188 & talk with an Engineer. We provide complete phone service (on-premise phone system, toll-free and local number, fax, phone line, data/voice wiring, etc...).Through our innovative communication solutions, you're able to stay connected anywhere, anytime. Designed specifically to meet your small business needs. We believe in upfront honesty and of course, our estimates are free of charge.

"Iâ m very happy I found this company to do business with. They were able to diagnose and solve my problem. Very knowledgeable and professional. Highly recommended."

Joe N on July 2022

Call 212-779-4188 & talk with an Engineer. We provide complete phone service (on-premise phone system, toll-free and local number, fax, phone line, data/voice wiring, etc...).Through our innovative communication solutions, you're able to stay connected anywhere, anytime. Designed specifically to meet your small business needs. We believe in upfront honesty and of course, our estimates are free of charge.

"Iâ m very happy I found this company to do business with. They were able to diagnose and solve my problem. Very knowledgeable and professional. Highly recommended."

Joe N on July 2022


Avatar for Ryleigh Electric, Inc.

Ryleigh Electric, Inc.

4.90(
15
)
Approved Pro

Ryleigh Electric, Inc.

4.90(
15
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
13 local quotes requested

At Ryleigh Electric, Inc., we pride ourselves on providing quality service that customers can believe in. Whether its switches, wiring, or panel upgrades, we can take care of all your electrical service needs. Thanks for choosing Ryleigh Electric, Inc., and we look forward to working with you!

"I have used Ryleigh Electric for multiple projects Inside and outside my Home. The work they perform is outstanding. As an owner of my own buissness i would give them 6 stars I have owned 3 homes in my lifetime already and have never met another company to perform such outstanding workmanship, reliability,fairness in pricing and on time performance Call them for all your Electrical needs... Joe.T. Hauppauge"

Joseph B on July 2024

At Ryleigh Electric, Inc., we pride ourselves on providing quality service that customers can believe in. Whether its switches, wiring, or panel upgrades, we can take care of all your electrical service needs. Thanks for choosing Ryleigh Electric, Inc., and we look forward to working with you!

"I have used Ryleigh Electric for multiple projects Inside and outside my Home. The work they perform is outstanding. As an owner of my own buissness i would give them 6 stars I have owned 3 homes in my lifetime already and have never met another company to perform such outstanding workmanship, reliability,fairness in pricing and on time performance Call them for all your Electrical needs... Joe.T. Hauppauge"

Joseph B on July 2024


Avatar for AvenueBits

AvenueBits

5.00(
3
)
Approved Pro

AvenueBits

5.00(
3
)
Approved Pro
Customers say: Quick response
10 years of experience
Free onsite estimate

AvenueBITS provides quality and professional Computer Networks and Telephone Systems services for Bohemia, NY, and surrounding areas. We can handle any project and look forward to working with you. Don't hesitate to give us a call, schedule an installation or service, and leave a review to let us know how we did.

"Gustavo was professional,knowledgeable and efficient. The work was done in a timely manner and he gave me some ideas on how to improve my business while saving money."

Geoff H on May 2020

AvenueBITS provides quality and professional Computer Networks and Telephone Systems services for Bohemia, NY, and surrounding areas. We can handle any project and look forward to working with you. Don't hesitate to give us a call, schedule an installation or service, and leave a review to let us know how we did.

"Gustavo was professional,knowledgeable and efficient. The work was done in a timely manner and he gave me some ideas on how to improve my business while saving money."

Geoff H on May 2020


Avatar for Techsonduty

Techsonduty

4.50(
12
)
Approved Pro

Techsonduty

4.50(
12
)
Approved Pro
Customers say: Quality work
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
14 years of experience

Techsonduty covers Long Island and specializes in many areas of IT services such as computer repair, laptop repair, apple repairs, macbook repairs, laptop screen repair, computer virus/malware removal, website design, SEO, computer/network wiring, and security camera system installations. We support both homes and businesses across Nassau county and Long Island. Techsonduty was founded to be the market leader delivering Technology-as-a-Service to small and medium businesses and residential homes near the Long Island NY area. Our purpose is to make technology work for business by radically improving their technology and providing solutions to move them into the future. Our portfolio of computer services includes network security, all computer services, structured cabling, VOIP phone systems, on-site engineer services, internet, email, remote data back-up & restore, business continuity & disaster recovery, telecommunications and infrastructure supply & support.

"Steve is absolutely first-rate. Extremely knowledgeable, helpful, and enthusiastic about really getting it right. Takes time and care with the project. Highest recommendation."

P D on March 2019

Techsonduty covers Long Island and specializes in many areas of IT services such as computer repair, laptop repair, apple repairs, macbook repairs, laptop screen repair, computer virus/malware removal, website design, SEO, computer/network wiring, and security camera system installations. We support both homes and businesses across Nassau county and Long Island. Techsonduty was founded to be the market leader delivering Technology-as-a-Service to small and medium businesses and residential homes near the Long Island NY area. Our purpose is to make technology work for business by radically improving their technology and providing solutions to move them into the future. Our portfolio of computer services includes network security, all computer services, structured cabling, VOIP phone systems, on-site engineer services, internet, email, remote data back-up & restore, business continuity & disaster recovery, telecommunications and infrastructure supply & support.

"Steve is absolutely first-rate. Extremely knowledgeable, helpful, and enthusiastic about really getting it right. Takes time and care with the project. Highest recommendation."

P D on March 2019


Avatar for Illumigen Electrical Contracting Services

Illumigen Electrical Contracting Services

5.00(
6
)
Approved Pro

Illumigen Electrical Contracting Services

5.00(
6
)
Approved Pro
34 local quotes requested
13 years of experience

Absolute Electrical Contracting & Design is a trusted provider of comprehensive electrical solutions, specializing in both traditional and modern systems. We serve residential and commercial clients with expert services including new construction, renovations, Generac generators, battery backups, bi-directional charging, and Level 2/Level 3 EV charging. We are proud partners of Generac, Tesla, Q-Merit, ChargePoint, PSEG, and Electrum, and are accredited by the Better Business Bureau, reflecting our commitment to quality and integrity. Our team has the experience to navigate warranty and insurance claims, permitting challenges, and projects of all sizes. We work closely with builders, property managers, OEMs, and subcontractors to complete projects efficiently, on time, and within budget. Our dedication to service and results continues to drive our success.

"Outstanding service and communication! They were very helpful in helping me get my generator back into service and provide photos of the work that was done. They also dated all the parts to help identify when it was replaced. I will call them again if needed and recommend them to anyone with a Generac Generator. Here are some photos they sent me when the work was completed."

Sean C on July 2025

Absolute Electrical Contracting & Design is a trusted provider of comprehensive electrical solutions, specializing in both traditional and modern systems. We serve residential and commercial clients with expert services including new construction, renovations, Generac generators, battery backups, bi-directional charging, and Level 2/Level 3 EV charging. We are proud partners of Generac, Tesla, Q-Merit, ChargePoint, PSEG, and Electrum, and are accredited by the Better Business Bureau, reflecting our commitment to quality and integrity. Our team has the experience to navigate warranty and insurance claims, permitting challenges, and projects of all sizes. We work closely with builders, property managers, OEMs, and subcontractors to complete projects efficiently, on time, and within budget. Our dedication to service and results continues to drive our success.

"Outstanding service and communication! They were very helpful in helping me get my generator back into service and provide photos of the work that was done. They also dated all the parts to help identify when it was replaced. I will call them again if needed and recommend them to anyone with a Generac Generator. Here are some photos they sent me when the work was completed."

Sean C on July 2025

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Generator Install questions, answered by experts

Generators run on a variety of fuel types, ranging from natural gas to solar power. Keep in mind that fuel costs varying by type:

  • Natural gas: $2,000–$21,000 per year 

  • Liquid propane: $2,000–$21,000 per year

  • Diesel: $3,000–$20,000 per year

  • Gasoline: $500–$3,000 per year

  • Solar generator: $2,000–$25,000 per unit

  • Battery backup: $10,000–$25,000 per unit

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. 

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.

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.

Yes, whole-house generators run constantly for extended periods. Whole-house generators can run for longer periods of time than portable generators, but be careful. First, they may need regular applications of engine oil (as frequently as daily), depending on the engine design. Second, running constantly for several days will increase the wear and tear on the generator and shorten its lifespan.

The Greenlawn, NY homeowners’ guide to generator installs

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