Get matched with top generator install pros in Oak Ridge, MO

Q: Do I really need a generator transfer switch?

• <div><p>Yes, in some locations, it is required by the National Electric Code (NEC) to have a transfer switch installed for <a href="https://www.angi.com/articles/what-is-an-electrical-emergency.htm">electrical emergencies</a>. 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. </p></div>

Q: What size generator do I need for a 2,500-square-foot house?

• <div><p>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.</p></div>

Q: What are the benefits of a portable generator?

• <div><p>Portable generators provide backup power for essential appliances during outages and are easy to relocate.</p></div>

Q: What is the life expectancy of a whole house generator?

• <div><p>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.</p></div>

Q: What happens with the generator when the local power goes back on?

• <div><p>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&rsquo;ll simply need to shut off the generator and reset your circuit breaker once the local power comes back on.</p></div>

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Verified Reviews for Generator Install pros in Oak Ridge, MO

*The Angi rating for Generator Install companies in Oak Ridge, MO 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 Oak Ridge, MO 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 December 07, 2022

Reviewed in December 2022
Overall just a great experience. Jackson Solar is a local company and they were always available to answer questions and confirm dates. Everyone has been very professional and polite - from the owner to the installation team. Their quote was very competitive (and yes we obtained quotes from...
Jackson Solar LLC
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Reviewed in May 2019
Thomas came to my home to remove an old range hood and install a new one, and remove a lift chair. He was very particular with his work which I appreciated very much. He arrived at the scheduled time. After removing the chair, he very carefully placed it in its designated place. He also...
True Vision One
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Reviewed in May 2019
Kyle was the electrician who came to my home to install a ceiling fan over the stairs of my split-level home and also install a flush-mount fixture in the kitchen. Kyle assessed the situation and explained how the job could be done and the cost of installing both. Kyle was very professional...
Exceptional Electric, Inc.
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Reviewed in June 2018
The installation crew was courteous, worked with integrity and care. Install was completed in a short period of time and they cleaned up the areas completely. The lead installer gave me a complete explanation of how the system worked and what I could expect. I am pleased.
SWAT Environmental, Inc.
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Reviewed in May 2018
As a licensed general contractor, I know when to call on someone else to do the high quality kind of job I do but can't. Since I don't do siding, I was happy to find Murray's company--a family business that takes pride in doing good work. I was informed of each step of the...
Mifflin Construction Company, Inc.
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Reviewed in April 2018
Came out promptly and gave us an estimate. Since we were having rain about everyday during the week he came out on a Saturday to install the box for the generator.
Barker Electric
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Find Generator install pros in Oak Ridge

Randolph Electrical Contracting

4.9(

)

Serving Oak Ridge, MO and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"They gave me a very good bid, showed up when they said they would and completed the job in less then half a day when it was estimated for a full day. We already talked about a future project. Very pleased"

Response time5 hrs

Response rate91%

9 neighbors recently requested a quote

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Sanchez Electric & Remodeling, LLC

4.9(

)

Serving Oak Ridge, MO and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"These guys were great. Contacted me the same day of inquiry and installed my light fixture the next day. Very reasonable pricing and very pleasant to work with. Would highly recommend."

Response time1 day

4 neighbors recently requested a quote

Recommended by92%of homeowners

Serving Oak Ridge, MO and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"Very pleased with the quality of the kitchen cabinet installation. Company we contacted with for counter tops also commented on the quality of their work. Customer service was excellent. They arrived as scheduled and quickly responded to messages. Work was done well and on time."

Response time2 days

Response rate90%

58 neighbors recently requested a quote

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Enderle electrical

New to Angi

Serving Oak Ridge, MO and surrounding areas

Approved

We are a small company that offers big rewards. I hire employees that have been going to a trade school and college. We offer very competitive estimate and work around your schedule.

7 neighbors recently requested a quote

Serving Oak Ridge, MO and surrounding areas

In business since 2010

Emergency services offered

"Great . Arrived timely and did a great job of getting the work done. He also cleaned up after himself"

Recommended by94%of homeowners

Serving Oak Ridge, MO and surrounding areas

In business since 2020

Emergency services offered

Warranties offered

"He is great and a wonderful plumber."

Response time3 hrs

Recommended by85%of homeowners

Serving Oak Ridge, MO and surrounding areas

In business since 2020

Free estimates

Emergency services offered

"Chris was professional and polite. He completed the work quickly and without any mess. He installed multiple outlet boxes in my finished basement and ran underground wiring from my basement main breaker box to my workshop. In the workshop he installed a new breaker box, 2 outlet boxes, an outside outlet, and a LED light fixture with matching wall-switch."

Response time3 hrs

Response rate93%

Recommended by100%of homeowners

Serving Oak Ridge, MO and surrounding areas

In business since 2020

Free estimates

Credit card accepted

We pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business!

Response time1 day

Recommended by100%of homeowners

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West KY Home Power, LLC

0.0(

)

Serving Oak Ridge, MO and surrounding areas

In business since 2007

Free estimates

Emergency services offered

West KY Home Power, LLC, has been doing generator installations and service work for over 15 years. Call us today and never be without power again!

Recommended by100%of homeowners

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SOILES

New to Angi

Serving Oak Ridge, MO and surrounding areas

SO.IL.E.S. in short stands for Southern Illinois Electric Services. We provide customers with a straightforward service. 15+ years of experience. Anything from Solar, Generators, to just replacing switches and outlets.

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Showing 1-10 of 16

Generator Install questions, answered by experts

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.

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.

Portable generators provide backup power for essential appliances during outages and are easy to relocate.

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.

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.

The Oak Ridge, MO homeowners’ guide to generator installs

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

See all articles

Alison Kasch
•
Jul 10, 2026Jul 10, 2026
How Much Does It Cost to Install a Generator Transfer Switch? [2026 Data]
The cost to install a generator transfer switch depends on several factors. Our guide will help you understand all of the costs.
Taylor Freitas
•
Jul 9, 2026Jul 9, 2026
How Much Does a Whole-House Generator Cost? [2026 Data]
The average cost of a whole-house generator falls between $5,000 and $25,000. Keep reading to learn how much you can expect to spend.
Alison Kasch
•
Jul 8, 2026Jul 8, 2026
How Much Does a Natural Gas Generator Cost? [2026 Data]
Natural gas generators are whole-home standby generators that are connected to your home’s natural gas line. The average cost for a natural gas generator is $12,000.
Dan Simms
•
May 21, 2026May 21, 2026
How to Hire a Generator Installer
Generators should give you peace of mind, but you’ll only get that if your installer knows what they’re doing. Learn how to hire a pro and what red flags to look for.
Heather Ayer
•
Jul 8, 2026Jul 8, 2026
Whole-House Generator Installation: A Complete Guide
Whole home generator installations require a professional hand. Read this guide to help you decide which generator is best for your home.
Becca Lewis
•
Jul 9, 2026Jul 9, 2026
Who Installs Generators? A Complete Guide
Wondering who to hire to install a generator? Consult this guide to learn who to hire to install a generator or a transfer switch.