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TRUSTED BY FAIRFIELD, NJ HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon20
    Verified generator installs reviews

Find Generator install pros in Fairfield

Avatar for RAP Electric Co., Inc.
RAP Electric Co., Inc.
4.6(
137
)
Portable Generator - Install

Serving Fairfield, NJ and surrounding areas

Approved

In business since 1984

Free estimates

Emergency services offered

"Roy is the best. He spent 3 hours Saturday afternoon troubleshoot a mistake that previous electrician made, for a very reasonable price. Now the awning and front patio lights work, finally! Kids and wife happy. Hiring rap for the next projects."
Response time2 hrs
Response rate93%
Recommended by90%of homeowners
Avatar for Hank's Electrical Contracting LLC
Hank's Electrical Contracting LLC
5.0(
40
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Fairfield, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Emergency services offered

"Living in Shongum Lake Area in Randolph, there are a lot of down trees/wiring, I wanted to install a backup mixed fuel generator to use during emergencies, installed a new light in my office and updated the drop ceiling lights to energy efficient lighting. Hank's Electrical Contracting updated our electrical panel installed a switch and connected our generator. Showed me how to make the switched and manage the main panel to go to generator mode. Hank's Electrical Contracting providing me and my family the safety we needed during emergency times. Pricing was fair and the service was professional. I highly recommend them for all electrical services."
Response time4 hrs
Response rate87%
3 neighbors recently requested a quote
Michael Bianchi LLC
4.7(
44
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Fairfield, NJ and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

We offer over 15 years of experience in the industry. At M Bianchi LLC, we combine technical expertise with a customer-first approach. Our company provides complete electrical services—from upgrades and rewiring to lighting design, smart-home integrations, and commercial installations. We pride ourselves on honesty, craftsmanship, and fast, reliable service. Whether it's a small repair or a large project, you can count on us for safe, efficient, and high-quality electrical work.

Response time12 hrs
Response rate100%
8 neighbors recently requested a quote
Avatar for Pipe Works Services Inc
Pipe Works Services Inc
4.4(
204
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Fairfield, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2000

Free estimates

Emergency services offered

"We called PipeWorks for an emergency hot water heater replacement on a weekend. In approximately one hour, they had a technician, Pablo, at our house to assess the issue. Pablo was extremely professional and made safety during the COVID pandemic a top priority as he did his work. He was able to get us a replacement water heater and install it the same day and completed the job within a few hours of when he first arrived. He answered all of our questions, did a terrific job, and even called us later that evening when we had reached out through the main number with a follow-up question. We were so grateful for Pablo's expertise and professionalism."
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+93

13 neighbors recently requested a quote
Recommended by78%of homeowners
Avatar for Indigo Electric
Indigo Electric
5.0(
9
)
Fixed Generator - InstallPortable Generator - Install

Serving Fairfield, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Warranties offered

Small jobs welcome

"I can’t say enough good things about Indigo Electric! From start to finish, they were professional, friendly, and really easy to work with. They handled my electrical needs quickly and efficiently, and everything was done with great attention to detail. What stood out most was their reliability—they showed up on time, explained everything clearly, and made sure I understood the work being done. The pricing was fair, and I never felt pressured into unnecessary upgrades or services. It’s refreshing to work with a company that takes pride in their craftsmanship and truly cares about their customers. I highly recommend Indigo Electric to anyone looking for trustworthy, top-quality electrical work."
Recessed Lighting
Kitchen-Electric
Service Upgrade
Remodel-Electric
Remodel-Electric

+12

Response time11 hrs
Response rate98%
3 neighbors recently requested a quote
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Showing 1-10 of 134
Generator Install questions, answered by experts

Yes. You can connect your home back-up battery to a generator with its designated charger. Be sure that the output of the generator matches the input requirements for the battery for best results.

Whole-house generators can run continuously for extended periods, even for weeks at a time (around 400 to 500 hours), as long as they have a sufficient fuel supply. However, this type of extensive use will increase wear and tear and can shorten the generator's overall lifespan. During long periods of operation, it's important to check and refill the engine oil as needed, potentially as frequently as daily depending on the model. If your generator uses a fuel tank, ensure it is kept full to prevent unexpected shutdowns.

Homeowners can often access federal tax credits, such as the Investment Tax Credit (ITC), which covers a percentage of installation costs. Many states and utilities offer additional rebates, grants, or performance-based incentives. These programs can significantly lower your upfront investment. Check the Database of State Incentives for Renewables and Efficiency (DSIRE) or contact your local energy office for current offers.

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.

In some situations, yes. Never try to put biofuel into any home generator without checking the specifics first. If a generator has the ability to run on diesel, it can also run pure biofuel (the clear kind made from seed oils, for example). But if you are using biofuel made from animal fats or vegetable oils, the generator will need significant modifications before it can handle a sludgier type of biofuel.

The Fairfield, NJ homeowners’ guide to generator installs

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