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Verified Reviews for Generator Install pros in Mcalester, OK

*The Angi rating for Generator Install companies in Mcalester, OK is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.

*The HomeAdvisor rating for Generator Install companies in Mcalester, OK is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.

Last update on August 09, 2025

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

Avatar for Backup Generators LLC
Backup Generators LLC
5.0(
7
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Mcalester, OK and surrounding areas

In business since 2022

Free estimates

Credit card accepted

"Everything was perfect Kip and his crew did an outstanding job. The job was completed in timely fashion, workers were courteous and cleaned up after themselves. Generator looks great and works perfectly, just like we expected."
Agnor Install
Campbell Install
Broomas Install
Generator Project
Agnor Install

+43

Recommended by100%of homeowners
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Avatar for The Home Depot - Generators
The Home Depot - Generators
2.5(
1
)
Fixed Generator - Install

Serving Mcalester, 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

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IJC Electric, LLC
5.0(
1
)
Fixed Generator - InstallFixed Generator - Repair

Serving Mcalester, OK and surrounding areas

In business since 2024

Free estimates

Emergency services offered

We take great pride in our experience, expertise, quality and customer service, that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship, and complete customer satisfaction, from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate, with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large, or small the job. Call us today!

Response time40 mins
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Avatar for Cobra Electric Service Incorporated
Cobra Electric Service Incorporated
New to Angi
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Mcalester, OK and surrounding areas

In business since 2018

Free estimates

Credit card accepted

Cobra Electric Service is a small owner operated native family owned electrical contractor. We specialize in residential and commercial electrical jobs. We have over 30 years combined in the industry. No job too big or small.

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Generator Install FAQs, answered by experts

If you have a transfer switch properly installed, the generator and main electrical power cannot feed the system at the same time. However, you should still shut off the power at your main circuit breaker panel before activating the generator. If you do that, you’ll simply need to shut off the generator and reset your circuit breaker once the local power comes back on.

With proper maintenance, a whole-house generator can last between 20 and 40 years. The specific lifespan depends on how often and for how long the generator is used, and some models may have their life expectancy rated in hours of operation. To maximize its lifespan, expect to spend around $150 to $300 per year for annual maintenance checks from a qualified technician. During these checks, a technician will inspect the engine filter, starting mechanism, fuel, lubrication, and coolant levels. Consulting your installer and choosing a low-impact fuel like natural gas or diesel can also help ensure your generator lasts as long as possible.

It might seem counterintuitive, but installing a generator transfer switch will save you money in the long run. While you’ll have to pay between $400 and $2,500 to have the transfer switch installed, you’ll recoup that amount later on when you don’t have to pay for expensive repairs to your appliances, devices, and electrical system that may have burned out, overloaded, or stopped working due to a sudden loss of power or an incorrect hook up of a generator to your home. 

Natural gas generators are designed to run for extended periods of time, such as power outages during a natural disaster. Since there’s no limit to the supply of natural gas, they don’t need to stop for refills. However, generators do need maintenance, including pauses to check and add oil. Constantly running them will also cause a lot more wear and tear, leading to a shorter lifespan.

While diesel is relatively stable, it won’t last nearly as long as propane and you may have to replace it if it sits unused for too long. Diesel can sometimes struggle to work efficiently or start engines during especially cold weather, so it’s not the best choice for every climate. Compared to fuels like propane and natural gas, diesel generators tend to be noisier and create more exhaust, which isn’t always ideal for home use.

The Mcalester, OK homeowners’ guide to generator installs

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

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