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TRUSTED BY OSSINING, NY HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon31
    Verified generator installs reviews

Top-Rated Generator install pros in Ossining - Updated Nov 2026

Avatar for Spirelli Electric Inc
Spirelli Electric Inc
4.9(
233
)
Fixed Generator - InstallPortable Generator - RepairFixed Generator - Repair+4 more

Serving Ossining, NY and surrounding areas

Approved

In business since 1985

Free estimates

Warranties offered

"Our electrician, Jeff Uffer, repaired the sockets and the switch and went over the rest of the job with us. He scheduled a second visit to complete the installations because we had not ordered all of the correct detectors for the job."
New recessed lighting
New electric baseboard heat
New lighting in closet
Replacement of switches and outlets
Additional Photos

+21

Response time1 day
Response rate100%
4 neighbors recently requested a quote
Avatar for B-Dyson Electric
B-Dyson Electric
4.9(
127
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Ossining, NY and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"We hired Pat and his team to install some new outlets, replace some old 2 prong outlets and install and wire a new ceiling fan. He and his team had the whole project completely finished successfully within 8 hours. We will be repeat customers!"
kitchen renovation
office
Conference Room Lighting
Conference Room
Office Space Hallway Lighting

+7

Response time11 hrs
7 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for GenShield LLC
GenShield LLC
5.0(
7
)
Fixed Generator - RepairFixed Generator - InstallGenerator - Repair - For Business

Serving Ossining, NY and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We specialize in generator service and repair and provide unmatched customer service! You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction! \n

10 neighbors recently requested a quote
Avatar for Haney Services
Haney Services
5.0(
12
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Ossining, NY and surrounding areas

Approved

In business since 2014

Emergency services offered

Small jobs welcome

"Kevin was a fantastic elextrician-highly recommend! He completely tested all of our outlets and made them GFCI protected. He helped install water protector covers on the outdoor outlets. He also gave us advice on other things we could fix in our home. Kevin is reliable, trustworthy, kind, and passionate about his work! Will definitely be calling him in the future for more work!"
75" TV
Mounting TVs and outlets
Mounting TVs and outlets
Light & Exhaust fan
Light & Exhaust fan

+4

Avatar for Star Electric
Star Electric
4.2(
125
)
Fixed Generator - InstallFixed Generator - Repair

Serving Ossining, NY and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

"Fast and super helpful. Gave me a proposal right away. Started work same week. If deviations were needed, was specific on what and why. Reasonable and fair pricing, and honest about their capabilities and areas of expertise. Professional team and went out the way to provide additional references for other concerns. I also appreciated the video Fabio took to show me the before and after, especially in areas I was unable to see."
52 neighbors recently requested a quote
Recommended by81%of homeowners
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Generator Install FAQs, answered by experts

As a safety measure, you should always turn off the main breaker while operating your generator’s backup breaker. In addition, you should also switch off all appliance breakers so you don't have a power surge when the main breaker turns back on. And finally, turning off the main breaker prevents back-feeding, which endangers utility workers with the risk of electrocution. Back-feeding could also destroy the electrical circuits of your neighbors if they use the same power network.

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.

Sizing a generator is a careful process that requires calculating the electrical load of your entire house. You have to take into account every device you want to use and their wattage requirements, plus the wattage needed to start them, and look for a generator that can safely run all that at around 80% capacity.

In more practical terms, a small home can run on a 10,000-watt generator (and if you only want to power a few key appliances, much less than that). A mid-sized home may need something between 15,000 and 22,000 watts. Larger homes require 25,000 watts or more. 

An undersized whole-house generator has the potential to overheat and shut down when you try to run a central AC system. This scenario can not only damage the whole-house generator, but can also trip your home’s breakers or cause electrical damage. To avoid this situation, hire a local generator installer to correctly size your whole-house generator.

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 Ossining, NY homeowners’ guide to generator installs

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