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Avatar for Home Pro Electric
Home Pro Electric
4.2(
20
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Neversink, NY and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"Hired HomePro Electric to install a transfer switch for a portable generator. Erik did a great job. Showed up on time. Did an excellent job and explained how to switch our electric panel from the grid to the generator really clearly. I will definitely hire him again for any future electrical work that I need."
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+11

Response time4 days
3 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for KWD Electric Inc
KWD Electric Inc
4.5(
46
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Neversink, NY and surrounding areas

In business since 2006

Free estimates

Emergency services offered

"Electrical work was done well in advance of the roofing job.  Electrician returned at the end of the ice melting cable installation job to make an alteration to the outlets which was a decision made during the roofing and installation job.  Electrician was very neat and accomodating. 
"
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+15

Recommended by97%of homeowners
Flagstone Maintenance, Inc.
3.8(
11
)
Generator - Install - For BusinessGenerator - Repair - For Business

Serving Neversink, NY and surrounding areas

In business since 2009

Free estimates

Emergency services offered

"Flagstone came and replaced wood flooring in three rooms that had been damaged by water. I explained that this would need to be completed quickly and they understood my situation and completed the job. I also had Flagstone complete some small electrical projects while onsite. These guys really are a company that can take care of all my home needs. I plan on having Flagstone complete more work for me in the spring."
Recommended by100%of homeowners
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Generator Install questions, 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.

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.

The amount of time a standby generator can run continuously is around 3,000 hours on average. However, standby generators can generally run indefinitely as long as they have a continuous fuel supply. Generators hooked up to a home’s natural gas supply are the best option for extended usage, as these won’t rely on a finite fuel supply based on how much you have in storage. Generators running on liquid propane or diesel won’t last as long, as these require fuel storage and regular refueling to stay running.

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. 

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.

The Neversink, NY homeowners’ guide to generator installs

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