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TRUSTED BY CENTRAL ISLIP, NY HOMEOWNERS

  • Average homeowner rating star icon4.3
    Average homeowner rating
  • Verified reviews icon15
    Verified generator installs reviews

Verified Reviews for Generator Install pros in Central Islip, NY

*The Angi rating for Generator Install companies in Central Islip, 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 Central Islip, 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 April 19, 2026

Find Generator install pros in Central Islip

CPT Electric
5.0(
62
)
Fixed Generator - InstallPortable Generator - Install

Serving Central Islip, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Small jobs welcome

Customers say: Quality work

"Cole was very professional, installed a kitchen ceiling fan, a bathroom fixture, high hats in the living room, and installed 2 outlets and moved my plate for my landline. He cleaned up and there was nothing for me to do after he left except admire his work."
Response time9 hrs
Response rate87%
2 neighbors recently requested a quote
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Avatar for Morris Electric
Morris Electric
4.9(
30
)
Portable Generator - Install

Serving Central Islip, NY and surrounding areas

Approved

In business since 2000

Free estimates

Customers say: Quick response

"He made room in my electrical panel by installing double circuit-breakers to accommodate my home. Based on the work and how they presented themselves, I would recommend them. Very clean and professional, and I would hire them again in a heartbeat. Their price was reasonable, the work was great, and it was an overall pleasant experience."
Lake Ronkonkoma House
Lake Ronkonkoma House
200amp upgrade
200amp upgrade
200amp upgrade

+3

Response time2 hrs
7 neighbors recently requested a quote
Recommended by93%of homeowners
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Wilburforce Electric LLC
5.0(
8
)
Portable Generator - Install

Serving Central Islip, NY and surrounding areas

Approved

In business since 2012

Free estimates

Credit card accepted

"They were extremely honest, courteous, need and fair. We had them install all of the electric for my pool equipment, lights etc. and run electric to the dock for boat power. They were so good, we had them come back and re run all the electrical in the downstairs of our house including new outlets, lights etc. we also had them upgrade our panel to a 200 amp. I can not say enough about how clean and easy they were to work withâ ¦.I would recommend them 100%!"
Response time3 hrs
Recommended by100%of homeowners
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Avatar for A/C Performance Power, Inc.
A/C Performance Power, Inc.
5.0(
4
)
Generator - Repair - For Business

Serving Central Islip, NY and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Jim, the Owner provided timely, Expert generator repair, to get a 15 year old 30KW generator that hadnâ  t run in years operational in 30 minutes. We were fortunate to find him, and appreciate his skill, integrity...truly a consummate Professional ! 5+ Star recommendation"
Generator repair
Generator repair
Generator repair
Generator repair
Generator repair

+27

Response time9 hrs
Recommended by100%of homeowners
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Avatar for Mister Sparky
Mister Sparky
5.0(
5
)
Fixed Generator - InstallPortable Generator - Install

Serving Central Islip, NY and surrounding areas

Approved

Free estimates

Credit card accepted

As the owner of our local Mister Sparky franchise, I want to personally thank you for considering us for your electrical needs. My team and I are dedicated to providing top-notch service because we believe that every customer deserves the best.\n\nThank you for putting your trust in us.

Gallery
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Avatar for Star Electric
Star Electric
4.1(
117
)
Fixed Generator - InstallFixed Generator - Repair

Serving Central Islip, NY and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

"i recently had a tesla charger installed, and i am extremely satisfied with the service. the electrician did an outstanding job he was professional, knowledgeable, and completed the installation much faster than i expected while maintaining excellent quality. the work was clean, efficient, and everything was installed perfectly. on top of that, his pricing was very reasonable compared to other estimates i received. it’s not often you find someone who delivers great workmanship, works efficiently, and offers affordable rates. i highly recommend him to anyone needing electrical work or an ev charger installation."
38 neighbors recently requested a quote
Recommended by87%of homeowners
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Generator Install questions, answered by experts

If you’re deciding between a solar battery versus a generator for the best backup power solution, you can take a few factors into consideration. Solar batteries are quiet while generators can be quite loud. Generators have a lower up-front cost, but they require fuel and ongoing maintenance while solar batteries are more expensive but don’t have many ongoing costs.

Yes, in some locations, it is required by the National Electric Code (NEC) to have a transfer switch installed for electrical emergencies. In addition to following electrical code, generator transfer switches ensure your home is fully protected during a power outage. By switching the power from the main breaker to the generator breaker, you can seamlessly operate your HVAC, lights, appliances, devices, and more during an emergency. 

The average cost to install a home generator is $5,200, but total costs can range from $500 to $18,000 or more. The final price depends on several factors, including the generator's size, type, brand, fuel source, and the cost of labor and assembly. The generator's size is the most significant cost factor, as units that can power larger homes with higher energy demands cost more.

Cost breakdowns by generator type are typically as follows:

  • Portable or Emergency Backup Generators (1kW–7.5kW): $500–$2,000

  • Partial-Home Generators (9kW–20kW): $2,000–$6,500

  • Whole-House Generators (22kW–48kW): $5,000–$18,000

To ensure you get the right size unit for your needs without overpaying, consider hiring an electrician to calculate the electrical load of your essential appliances. It is also recommended to get at least three quotes from qualified installers to find the best fit for your budget.

While standby generators provide essential backup power, they can fail when you need them most due to lack of maintenance, fuel supply issues, dead batteries, electrical problems, or improper installation. To avoid costly failures, professional installation and regular maintenance are crucial. Licensed technicians ensure safety, uphold warranty requirements, comply with regulations, and provide expert servicing.

You can determine what size generator you need for a transfer switch by matching the switch to the largest outlet on your generator. Larger generators can power up to 10 circuits, while most 5,000-watt generators can provide power to six circuits. So, if your generator’s largest outlet is 30 amps, you’ll need a 30-amp transfer switch.

The Central Islip, 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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