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    Verified generator installs reviews

Top-Rated Generator install pros in Fair Haven - 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 Fair Haven, 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
Avatar for Kingdom Electric
Kingdom Electric
4.7(
258
)
Fixed Generator - InstallPortable Generator - InstallFixed Generator - Repair+4 more

Serving Fair Haven, NJ and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"I have used Kingdom electric for the past 4 years from hanging a chandelier, Electric for all pool grounding and electrical work, TV hook up, hard wire for smoke detectors, Outside lighting. The team , Anthony Nick and Mario were not only amazing to work with, showed up when they said and stand by their work. Highly recommend them for all your electric needs!"
Additional Photos
Response time11 hrs
11 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Revolution Electric LLC
Revolution Electric LLC
4.8(
34
)
Fixed Generator - InstallGenerator - Install - For Business

Serving Fair Haven, NJ and surrounding areas

Approved

In business since 1997

Free estimates

Credit card accepted

"Revolution Electric updated and reworked all our electric for our 100 year old home remodel. We still had knob and tubes under our plaster walls. They modernized all of our electric from timed lighting indoors and out, full WiFi and boosters, generator installation and even buried our electric lines outside. They are professional, timely, courteous and so easy to work with. They stayed on budget, patiently helped me find cost effective solutions and fully trained me on how to manage all of the systems we installed. I fully would recommend them and rate them a 10 out of 10."
Kitchen
Cooktop Wall
Kitchen
Basement Bar
Exterior New Home

+25

Response time6 hrs
Response rate100%
10 neighbors recently requested a quote
Avatar for ILL Electrical Services
ILL Electrical Services
5.0(
10
)
Fixed Generator - InstallGenerator - InstallGenerator - Install - For Business+2 more

Serving Fair Haven, NJ and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

"Renaldo was professional, came on time and did a great job. He installed 2 ceiling fans , installed multiple gfi outlets and upgraded wiring to the panel box. Wonderful service! He thoroughly explained the job and I will definitely call him again."
100 amp meter replacement
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+3

Response time7 hrs
Response rate91%
3 neighbors recently requested a quote
Avatar for A Shore Thing Electric, LLC
A Shore Thing Electric, LLC
4.7(
51
)
Portable Generator - Install

Serving Fair Haven, NJ and surrounding areas

Approved

In business since 2016

Free estimates

Small jobs welcome

"Michael was diligent, reliable and knowledgable. I hired him to install a charging station for my electric car. He did a great job running a line from the basement to the outside of the house. and installing the charging station. He was neat and clean. His pricing was reasonable. YOu should not hesitate to hire him. He knows his stuff."
Pharmecutical Cage Panel
Panel Change
125 Amp Panel
Tesla S/X/3 Car Charger
Remote Controlled Ceiling Fan

+22

Response time1 day
Recommended by93%of homeowners
Avatar for Mr. Electric of Monroe
Mr. Electric of Monroe
5.0(
14
)
Portable Generator - Install

Serving Fair Haven, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 1994

Free estimates

Emergency services offered

Welcome to Mr. Electric of Monroe Township, a Veteran-owned Small Business, focused on providing safe, efficient, and premium electrical solutions while prioritizing customer service! We currently service many of the surrounding towns in Middlesex, Mercer, Monmouth and Ocean Counties. Trey, the owner/operator, is a retired Veteran and Commanding Officer, who served over 21 years in the U.S. Navy as a Special Operator, now brings his dedication to service, quality, and integrity to the electrical trade.

Foyer Chandelier
Living Room - vaulted ceiling
Response time6 hrs
Response rate100%
Recommended by35%of homeowners
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Generator Install FAQs, answered by experts

To determine the right size generator for your house, you should calculate the total wattage of the appliances and devices you want to power during an outage. List all essential items, note their start-up wattages, and add them together.

Here are some typical wattage requirements for common appliances:

  • Refrigerator: 600 watts

  • Large dehumidifier: 700 watts

  • Large window air conditioner: 1,400 watts

  • Water heater: 3,000 to 4,500 watts

  • Electric furnace: 5,000 to 25,000 watts

A 7,500-watt generator might be sufficient for essentials like a refrigerator, freezer, well pump, and lighting circuits. However, for high-demand items like a water heater or furnace, a whole-home generator is a better choice. A portable generator may be enough if you only need to power a few critical items.

While home square footage can offer a rough estimate, it is not always a reliable indicator. For reference, here are some typical generator sizes based on square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14 kW

  • 2,500 sq ft: 12–16 kW

  • 3,000 sq ft: 16–20 kW+

For the most accurate sizing, consult a professional who can calculate your home's peak and average power consumption and recommend the optimal generator.

These advanced generators use a key fob or a smartphone app to remotely start, which is ideal for getting power back on immediately without venturing outside. This feature is more common on whole home generators, but you may be able to find it on large portable generators, too.

If you have a transfer switch properly installed, the generator and main electrical power cannot feed the system at the same time. However, you should still shut off the power at your main circuit breaker panel before activating the generator. If you do that, you’ll simply need to shut off the generator and reset your circuit breaker once the local power comes back on.

Yes, installing a generator usually increases your property value because buyers are getting the added peace of mind knowing they’ll be able to maintain power through blackouts. In most cases, you should see close to a 100% return on investment (ROI). Keep in mind that home generators usually need a permanent foundation, and installing a concrete slab will likely raise your property taxes slightly.

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 Fair Haven, NJ homeowners’ guide to generator installs

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