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  • Average homeowner rating star icon4.7
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  • Verified reviews icon44
    Verified generator installs reviews

Find Generator install pros in Westerville

Avatar for Powers Electric
Powers Electric
4.0(
55
)
Fixed Generator - Install

Serving Westerville, OH and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

"Mike Powers responded to my query within seconds. I hadn't even had a chance to create my Angi password yet. Unlike other contractors, he gave me a quote within a week. (One contractor came out twice, then never gave me a quote or answered my follow-up emails. Guess he didn't want my business.) The biggest delay was obtaining the generator I wanted, a Kohler instead of a Generac. But everything was great on Mike's end. His electrical crew was thorough and efficient, as were the sub-contracted plumbers. Now, I just hope I have no need to use it, although I am confident it will work."
Response time2 days
21 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Safe Electric and Plumbing
Safe Electric and Plumbing
4.6(
45
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+3 more

Serving Westerville, OH and surrounding areas

Approved

Super Service Award Winner

In business since 1994

Free estimates

Emergency services offered

"This is the 2nd time I have used Safe Electric and both times I have used them have been great experiences. I had 3 new fixtures installed plus a new circuit run to be used for a new freezer in our finished basement. Jon & Eric were the two electricians that were sent to my home. They worked efficiently and quickly, but did outstanding work. Even though our basement had a finished ceiling, they were able to run a wire through with minimal disruption to the finished ceiling. I had concerns about the alignment of the lights on the fixture (this was a manufacturing defect and nothing to do with their installation) and they obliged me by improving the light alignment. They also cleaned up after they were completed and disposed of the old light fixtures and packaging materials for the new fixtures. Their work was excellent. The only negative aspect was the price which seemed very high to me. The cost for installation of the 3 light fixtures was $462 and the new circuit was $903."
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+11

Response time1 day
Response rate100%
28 neighbors recently requested a quote
Avatar for KAP Electric
KAP Electric
4.6(
77
)
Portable Generator - Install

Serving Westerville, OH and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"I hired KAP for several projects from installing a whole house generator, house rewiring to installing light fixtures. Either a large or small job they were professional. I highly recommend them for any electrical work."
Photos
3 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Survivor Electric, LLC
Survivor Electric, LLC
4.7(
62
)
Generator - Install - For BusinessPortable Generator - Install

Serving Westerville, OH and surrounding areas

Approved

In business since 2009

Free estimates

Credit card accepted

"I was very satisfied with everything from start to finish with this project. They were prompt, courteous, professional and honest. I Highly recommend Survivors Electric!"
kitchen lighting
Residential Kitchent Remodel
Response time1 day
5 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Steller Electric, LLC
Steller Electric, LLC
4.5(
78
)
Portable Generator - Install

Serving Westerville, OH and surrounding areas

Approved

In business since 2012

Free estimates

Credit card accepted

"We shopped around a lot. Stellar came in strong for price and felt really confident with their consultation and project management. No project goes perfectly- wish I'd had them onsite during shower glass measurement and countertop installation- I should have requested-nothing major but small mistake may have been avoided. nice to have same crew throughout the project. Trusted them and we went out of town with no worries about our home. Worked with the Home Depot designer they recommended and she was great too. Wish I had consulted her for paint too- our schedules didn't align at the end- advice to plan it ALL on the front end. Would certainly recommend Steller and would use them again."
Response time1 day
Recommended by92%of homeowners
Avatar for Columbus Breeze Electric, LLC
Columbus Breeze Electric, LLC
5.0(
10
)
Portable Generator - Install

Serving Westerville, OH and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Small jobs welcome

"Scheduling with Breeze was super simple and they were able to accommodate my busy schedule. My technician was polite and was able to trouble shoot errors that a previous electrician made. I wish I had used them to begin with. The Generator was Installed in one afternoon too! As for pricing I thought they were average. You get what you pay for though, they do quality work so I donâ t mind paying a little more. Less headaches in the long run!!!"
Switch Gear Installation
Response time6 hrs
Response rate97%
4 neighbors recently requested a quote
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Generator Install questions, answered by experts

If you’re wondering whether gas generators produce carbon monoxide, know that natural gas generators do not produce carbon monoxide if they are functioning properly, as natural gas burns cleanly. However, if the generator malfunctions and the gas does not burn completely, there is potential for carbon dioxide to be produced. To prevent malfunctions, it's crucial to perform regular maintenance, including running the generator weekly and scheduling professional inspections every 6 to 12 months. Also, be sure to test your carbon monoxide detectors regularly to ensure they function in the rare case of the generator producing carbon monoxide.

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.

It’s usually better to repair your generator if it isn’t working properly, as it will typically be much more affordable and should yield similar results. Generator repairs cost around $300 on average, while installing a new whole-house generator costs around $5,000 on average. The only exception is if you know your generator is reaching the end of its useful life, usually between 30 and 40 years. If you have an older generator, you could face multiple repairs in the coming years, which might mean that a full replacement will be more cost-effective over time.

Here’s what you can run with different wattages and types of generators:

Portable generator:

  • 2,000 watts can handle a large appliance like a freezer or refrigerator, plus a few smaller items like phones or computer chargers. 

  • 4,000 watts will keep two large appliances operating and a few smaller devices.

  • 8,000 watts should power most essential appliances and other devices, including a sump pump, well pump, or your dishwasher.

Partial to whole-house generator:

  • 20,000 watts and above will make it seem like your home’s power is still on.

A 1,500 square foot home will likely need a 15kW to 20kW generator. When deciding on whole-house generator size, add up the total wattage of the devices that you’d like to continue running during a power outage. That way, you can ensure you purchase a generator that can power your necessary appliances or medical equipment during an electrical emergency.

The Westerville, OH homeowners’ guide to generator installs

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