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Avatar for Buddy Electric
Buddy Electric
5.0(
6
)
Fixed Generator - Install

Serving Radford, VA and surrounding areas

Approved

In business since 2023

Free estimates

Warranties offered

"From the contact call to Ben to the work the done by Awan, the service work call couldn't have gone better. A promised arrival time to do my repair was right on schedule. Awan was professional in every way giving me the confidence that his work would be first rate and it was ***** Buddy Electric will be my go to company for any Electrical Service work that I may need help with in the future."
Ballroom
Main Hall
Main Chandelier
Sammy!
Buddy Crew at Work

+5

Response time10 hrs
Response rate97%
30 neighbors recently requested a quote
Frank Blankenship Properties & Electrical, LLC
4.5(
27
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Radford, VA and surrounding areas

Approved

In business since 2016

Credit card accepted

Offers commercial services

Frank Blankenship Properties & Electrical is just what you needed to light up you life, or main focus is Electrical Switches, Outlets & Fixtures, Electrical Wiring or Panel Upgrade, So don't sreach in the dark for a good electrican when you are ready to hire call us.\n

16 neighbors recently requested a quote
Recommended by84%of homeowners
Vertex Contracting
5.0(
5
)
Fixed Generator - Install

Serving Radford, VA and surrounding areas

In business since 2010

Free estimates

Credit card accepted

"Alex & his crew at Appalachian Property Maintenance did a fantastic job at replacing my basement stairs & drywall after they had to be torn out for foundation repair. They were able to get to the job within a week and completed the job within a few days. They also did quality work and it cost a lot less than I expected."
Response time1 day
Response rate90%
Recommended by80%of homeowners
Avatar for The Home Depot - Generators
The Home Depot - Generators
2.5(
1
)
Fixed Generator - Install

Serving Radford, VA and surrounding areas

In business since 2003

Free estimates

Small jobs welcome

Today, we're proud to be the world's largest home improvement retailer. In 2,300 stores across North America, we aspire to excel in service – to our customers, associates, communities and shareholders. That's what leadership means to us. That's The Home Depot difference.

Generators
Generators
Generators
Generator
Generators

+5

Harmony Electric
4.3(
4
)
Portable Generator - Repair

Serving Radford, VA and surrounding areas

In business since 2019

Credit card accepted

"Mark Older did a fantastic job at a reasonable price. He is a licensed electrician, but also very skilled with carpentry and drywall. The job involved removing a wall in the kitchen, with substantial rewiring. He revised and leveled the footprint for the new cabinetry, which he afterward installed. There was extensive revision of the drywall which he seamlessly restored. I am happy to give him my endorsement."
Response time2 hrs
Recommended by75%of homeowners
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Generator Install questions, answered by experts

Energy output depends on turbine size, average wind speed at your site, and system efficiency. A 5 kW turbine in a good wind location can generate 8,000 to 12,000 kilowatt-hours per year, which may cover a large portion of an average home’s needs. Accurate output estimates require a professional wind assessment and a review of your household’s energy usage patterns.

Costs depend on generator type, labor, and additional wiring or transfer switch requirements.

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.

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.

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 Radford, VA homeowners’ guide to generator installs

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