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GENERATOR SUPERCENTER
4.2(
36
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Thomas, OK and surrounding areas

In business since 1980

Free estimates

Credit card accepted

"The tech (Christian?) was very professional and amiable. He had the unit running again fairly quickly and tested it. He took the time to talk to me about operating the generator and a friendly conversation. I hope he comes back next on the next service date."
Response time3 days
Recommended by100%of homeowners
Avatar for Anderson Electrical Service LLC
Anderson Electrical Service LLC
5.0(
10
)
Portable Generator - Install

Serving Thomas, OK and surrounding areas

In business since 2023

Free estimates

Offers commercial services

"Josh was prompt and very informative. Josh was very adaptive to what I wanted. Josh provided insight to future project I have in mind. Josh cleaned up very well after he completed the job."
Response time1 day
Recommended by80%of homeowners
Avatar for Urner Electric
Urner Electric
4.1(
11
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Thomas, OK and surrounding areas

In business since 2019

Free estimates

Emergency services offered

"We needed 2 ceiling fans installed, so I looked on Angie's List and sent a msg to 3 different electricians I found on here. They were the first to respond within 1-2hrs. I sent my msg on our way to church service and when it was over, I noticed they responded. They were on time, professional, and polite. I would highly recommend them and will definitely reach out to them again if we need any other electrical work."
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+17

Recommended by87%of homeowners
Avatar for The Home Depot - Generators
The Home Depot - Generators
2.5(
1
)
Fixed Generator - Install

Serving Thomas, OK 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

5D Electric
5.0(
2
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+2 more

Serving Thomas, OK and surrounding areas

In business since 2016

Free estimates

Credit card accepted

5 D Electrical is owned and operated by David Stewart, a Licensed Electrician. I am committed to excellence in every aspect of my business and uphold a standard of integrity bound by fairness, honesty, and personal responsibility. 5 D Electric company's distinction is the quality of service it brings to our customers. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. \n\nFree Estimates and no trip charge incurred (over 35 miles from zip code listed), if you use my services.\n

Response time1 day
Recommended by100%of homeowners
D and M Electric Service LLC. - Home Facebook
New to Angi
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Thomas, OK and surrounding areas

In business since 2015

Free estimates

Credit card accepted

With 20 years of experience as an Electrician, D and M Electric Service is a leader in the industry. We specialize in panel and wiring upgrades, generators, general electrician service calls. Being locally owned and operated we understand that farm work is a way of life in this area and we also specialize in electrical services for farmers as well.

Showing 1-10 of 12
Generator Install questions, answered by experts

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.

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.

In many cases, yes. There are models called dual-fuel generators and fuel switches, but only between certain types of fuel. For example, with the right setup you can convert a generator from natural gas to propane. Some allow switching between diesel and gasoline. There are even tri-fuel generators available in some cases, which adds a large layer of security if you are worried about fuel availability in times of crisis. Always check your generator capabilities and manual instructions before trying to switch fuels. Some generators can use another fuel but may need a fuel conversion kit to prep them first.

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.

No, you should never plug a generator directly into a wall outlet in your house. This practice is extremely dangerous, often illegal, and can cause "back-feeding," where power from the generator flows back into utility lines, creating a life-threatening hazard for utility workers. It can also damage your home's electrical system, including appliances like pumps and HVAC fans. If the main power is restored while the generator is connected, it can destroy the generator and cause an electrical fire. To safely connect a generator, you must use a professionally installed transfer switch or an interlocking kit, which prevents back-feeding by disconnecting your home from the utility grid before the generator provides power.

The Thomas, OK homeowners’ guide to generator installs

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