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    Average homeowner rating
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    Verified generator installs reviews

Verified Reviews for Generator Install pros in Green Brook, NJ

*The Angi rating for Generator Install companies in Green Brook, NJ 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 Green Brook, NJ 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 December 10, 2024

Top-Rated Generator install pros in Green Brook - Updated Nov 2026

Avatar for Green Sun Energy Services, LLC
Green Sun Energy Services, LLC
5.0(
73
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+2 more

Serving Green Brook, NJ and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"Since I am working at home it was needed. Glen and Chris were awesome to deal with as they walked us through the process step by step and every time they said someone would be here that person was. It was seamless and very easy to work with them and I would Highly recommend them if you are looking for a generator install."
Ruisi
Oceanport
Additional Photos
Additional Photos
Additional Photos

+55

Response time5 days
Response rate100%
9 neighbors recently requested a quote
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Avatar for Plesh Electric, LLC
Plesh Electric, LLC
4.4(
111
)
Fixed Generator - Install

Serving Green Brook, NJ and surrounding areas

Approved

In business since 1972

Free estimates

Emergency services offered

"We have hired Plesh Electric to install a fixed generator. Plesh Electric called us to set up an appt the same day we were on Home Advisor. They came the next day to do a property survey and we received a proposal the very next day. They have not started the work yet BUT I can say that I am very impressed with Lisa their office manager. Customer Service is rare these days and so far in this process she has quickly applied for permits and submitted application to PSE&G. She has kept me up to date and I very much appreciate it. I am looking forward to their guys doing a quality job. Stay tuned!"
Outdoor Closed Panel Upgraded
Residential Generator
Outdoor Open Panel Upgraded
Residential Generator
Upgraded Panel Closed

+19

Response time2 days
17 neighbors recently requested a quote
Recommended by97%of homeowners
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Avatar for RAP Electric Co., Inc.
RAP Electric Co., Inc.
4.6(
137
)
Portable Generator - Install

Serving Green Brook, NJ and surrounding areas

Approved

In business since 1984

Free estimates

Emergency services offered

"Roy is really a prof. He installed two overhead fans and a hanging lamp. The fans had a complicated control system but he was able to get them to work flawlessly. Bonus: he is really a nice person and he cleaned up too! I would recommend his work to anyone."
Response time2 hrs
Response rate93%
Recommended by90%of homeowners
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Avatar for Princeton Electrical Makeover LLC
Princeton Electrical Makeover LLC
4.5(
210
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+2 more

Serving Green Brook, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2008

Free estimates

Emergency services offered

"This afternoon Trevor came to my house to repair an outlet. He was knowledgeable, and explained how he would proceed with the repair. He worked quickly and efficiently, and it should be noted he cleaned up upon completion. I would highly recommend Princeton Electrical in the future. Trevor was excellent."
Tesla in charging status
Wiring Tesla Wall Connector
Full installation
Connection in the panel
Additional Photos

+26

Response time2 days
21 neighbors recently requested a quote
Recommended by86%of homeowners
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Avatar for Pipe Works Services Inc
Pipe Works Services Inc
4.4(
204
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Green Brook, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2000

Free estimates

Emergency services offered

"Yes. On initial install technicians discovered new programmable thermostat was defective. Installed a temporary replacement and next day installed the permanent thermostat and walked us through setting up app and Siri and Alexa ."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+93

16 neighbors recently requested a quote
Recommended by78%of homeowners
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Avatar for Spartan Home Pros
Spartan Home Pros
5.0(
30
)
Portable Generator - InstallGenerator - Install - For BusinessGenerator - Repair - For Business

Serving Green Brook, NJ and surrounding areas

Approved

In business since 2023

Emergency services offered

Credit card accepted

"The electrician from Electric Wire LLC. Was able to installed my Home EV Charger efficient. The price was kind of steep for the amount of work and materials used."
Service upgrades
Service upgrades
EV Charger Installation
Landscape lighting
Landscape lighting

+16

10 neighbors recently requested a quote
Recommended by54%of homeowners
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Avatar for Transform Electric, LLC
Transform Electric, LLC
5.0(
15
)
Fixed Generator - InstallPortable Generator - Install

Serving Green Brook, NJ and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"Outstanding. Professional, prompt, reliable, reasonably priced. I use them all the time for repairs, generator install, panel upgrade, etc."
Recommended by86%of homeowners
Request Quote
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Generator Install FAQs, answered by experts

Energy output depends on turbine size, average wind speed at your site, and system efficiency. A 5 kW turbine in a good wind location can generate 8,000 to 12,000 kilowatt-hours per year, which may cover a large portion of an average home’s needs. Accurate output estimates require a professional wind assessment and a review of your household’s energy usage patterns.

With proper maintenance, a whole-house generator can last between 20 and 40 years. The specific lifespan depends on how often and for how long the generator is used, and some models may have their life expectancy rated in hours of operation. To maximize its lifespan, expect to spend around $150 to $300 per year for annual maintenance checks from a qualified technician. During these checks, a technician will inspect the engine filter, starting mechanism, fuel, lubrication, and coolant levels. Consulting your installer and choosing a low-impact fuel like natural gas or diesel can also help ensure your generator lasts as long as possible.

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.

Whole-house generators need to be installed on level ground several feet away from walls and other objects. Because they tap into the electrical system directly, they usually need to be close to your home electrical panel for a transfer switch installation. It also helps with installation if they are near to a gas line or propane tank installation.

A home that is 2,500 square feet will likely need a 20kW to 25kW generator. Consult your local generator installer to confirm the generator size needed to power your home before purchasing a new one. Be sure to consider how much power your necessary devices need to run.

The Green Brook, NJ 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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