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    Verified generator installs reviews

Find Generator install pros in Islip

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.


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 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


"Frank did a great job. Highly recommended!!!"

PAUL N on June 2024

We are a full service electrical company. We are committed to serving our customers.There is no job that is too big or too small so please give us a call!

"Frank did a great job. Highly recommended!!!"

PAUL N on June 2024


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.

"He made wrong diagnosis saying my hard drive is bad need new One charged me $80 asking $240 to install new hard drive and reinstall Windows etc I took to staples they reset the hard drive installed Windows cost me &120 so I wasted $80 lucky did not get filled paying him $240"

Zar B on June 2017

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.

"He made wrong diagnosis saying my hard drive is bad need new One charged me $80 asking $240 to install new hard drive and reinstall Windows etc I took to staples they reset the hard drive installed Windows cost me &120 so I wasted $80 lucky did not get filled paying him $240"

Zar B on June 2017


Avatar for Illumigen Electrical Contracting Services

Illumigen Electrical Contracting Services

5.00(
6
)
Approved Pro

Illumigen Electrical Contracting Services

5.00(
6
)
Approved Pro
33 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


Avatar for Telco Specialist Company

Telco Specialist Company

4.72(
121
)
Approved Pro

Telco Specialist Company

4.72(
121
)
Approved Pro
Customers say: Quality work
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
15 local quotes requested

Contact: (646) 397-2709 - Telco Specialist & Company is family owned and operated since 1995. We take pride in providing you with a job that is well done and consistent with integrity and neatness. We believe in up front honesty. For all of your telephone and computer networking needs, trust Telco Specialist Co. to get it done right. In most cases, same-day appointments are available, and the work can be performed while we are on premises. ESTIMATES ARE FREE OF CHARGE. When we give appointments, we don't give you an 8 hour window like some other companies. We give a 2 hour window so you don't have to sit at your premises all day wondering if a technician is going to show up. We don't charge an hourly rate. We charge according to each job. That way, whether we spend 2 hours, or 12 hours, the price remains the same. Generally, charges range from $90 - $125/line. We accept the following forms of payment: All forms of payment accepted, including PAYPAL.

"I had a problem with some outdoor network wiring and Telco responded on a holiday weekend on Sunday. A technician did come to my house that same day and spent time to repair the problem for a very reasonable cost. It was a pleasure to work with Telco and their team."

Ryan E on May 2024

Contact: (646) 397-2709 - Telco Specialist & Company is family owned and operated since 1995. We take pride in providing you with a job that is well done and consistent with integrity and neatness. We believe in up front honesty. For all of your telephone and computer networking needs, trust Telco Specialist Co. to get it done right. In most cases, same-day appointments are available, and the work can be performed while we are on premises. ESTIMATES ARE FREE OF CHARGE. When we give appointments, we don't give you an 8 hour window like some other companies. We give a 2 hour window so you don't have to sit at your premises all day wondering if a technician is going to show up. We don't charge an hourly rate. We charge according to each job. That way, whether we spend 2 hours, or 12 hours, the price remains the same. Generally, charges range from $90 - $125/line. We accept the following forms of payment: All forms of payment accepted, including PAYPAL.

"I had a problem with some outdoor network wiring and Telco responded on a holiday weekend on Sunday. A technician did come to my house that same day and spent time to repair the problem for a very reasonable cost. It was a pleasure to work with Telco and their team."

Ryan E on May 2024

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Generator Install questions, answered by experts

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.

While natural gas generators are costly, they’re a great option for standby power due to the reliability of natural gas as a fuel source. Unlike other fuels, natural gas is delivered through underground pipes, making outages extremely rare and less likely to be affected by the elements. As long as the area isn’t prone to earthquakes, they offer an unlimited supply of natural gas that doesn’t degrade over time or require storage in tanks.

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.

Yes, natural gas generators can work without electricity. Natural gas generators are a common type of backup or whole-house generator that operates when the electrical grid isn’t working. The trick is using a transfer switch (which usually needs to be installed with the generator) that safely switches the home electrical system from the power grid to generator power when needed.

Portable generators provide backup power for essential appliances during outages and are easy to relocate.

The Islip, NY homeowners’ guide to generator installs

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