Get matched with top generator install pros in Chatham, LA

Q: Is it better to repair or replace a malfunctioning generator?

• <div><p>It&rsquo;s usually better to repair your generator if it isn&rsquo;t working properly, as it will typically be much more affordable and should yield similar results. Generator repairs cost around <b>$300</b> on average, while <a href="https://www.angi.com/articles/how-much-does-it-cost-install-generator.htm">installing a new whole-house generator costs</a> around <b>$5,000 </b>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.</p></div>

Q: What size of diesel generator do you need to run a house?

• <div><p>Sizing a generator is a careful process that requires calculating the <a href="https://www.angi.com/articles/electrical-load-calculation.htm">electrical load</a> of your entire house. You have to take into account every device you want to use and their wattage requirements, plus the wattage needed to start them, and look for a generator that can safely run all that at around 80% capacity.</p><p>In more practical terms, a small home can run on a 10,000-watt generator (and if you only want to power a few key appliances, much less than that). A mid-sized home may need something between 15,000 and 22,000 watts. Larger homes require 25,000 watts or more. </p></div>

Q: How big of a generator do I need for a transfer switch?

• <div><p>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&rsquo;s largest outlet is 30 amps, you&rsquo;ll need a 30-amp transfer switch.</p></div>

Q: What are the disadvantages of a standby generator?

• <div><p>While standby generators provide essential backup power, they can fail when you need them most due to lack of maintenance, fuel supply issues, dead batteries, electrical problems, or improper installation. To avoid costly failures, professional installation and regular maintenance are crucial. Licensed technicians ensure safety, uphold warranty requirements, comply with regulations, and provide expert servicing.</p></div>

Q: How do generator specifications and installation requirements impact the overall cost?

• <div><p>Costs depend on generator type, labor, and additional wiring or transfer switch requirements.</p></div>

Enter your zip and get matched with up to 5 pros

Need a pro for your generator install project in Chatham, LA?

Select your specific project to find the pro for you.

Verified Reviews for Generator Install pros in Chatham, LA

*The Angi rating for Generator Install companies in Chatham, LA 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 Chatham, LA 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 June 21, 2024

Reviewed in June 2024
The guys did a great job mounting curtain rods in my new home. They were very fast to respond and courteous during their time in my home. I will be using their services again in the future.
All in One S & P Contracting Services, LLC
Request a quote
Reviewed in January 2024
He also installed plywood ceiling. Very good job. Seamless.in appearance.
Truelove Handyman Services LLC
Request a quote
Reviewed in May 2022
Hired him to do one job…liked his work and communication so well that he’s about to start his 3rd project for us. I appreciate the way he follows through with his work and also with keeping in contact with me. Very skilled and knowledgeable about many renovation projects!
JJ's Renovations
Request a quote
Reviewed in May 2022
Jody and his crew did an awesome job on my outdoor patio. I highly recommend these guys. They do outstanding work.
Thompson 2 Dirt Work, LLC
Request a quote
Reviewed in February 2022
Project was reasonably priced, work was done in a very timely manner even with some added unseen repairs that were needed. I was very pleased with the end result. I would definitely use Hector again and would definitely recommend you give him a shot at your next roof repair/replacement.
Hector Mendez Construction & Renovation, LLC
Request a quote
Reviewed in September 2021
Cleared path around property. Great job.....
Willis Excavating and Landscaping, LLC
Request a quote
Reviewed in August 2021
Ray was on time which is way more than I can say for a lot, he did an excellent job with our backsplash installation. Made my wife happy that says a lot. Ray did a good job I will use him again
Ray's Handy Service
Request a quote
Reviewed in January 2021
He is the only person in this area I will hire.
High style construction - Home Facebook
Request a quote
Reviewed in July 2018
After insurance was finally in agreement everything went pretty smooth. We had a somewhat complicated type of labor installation required for our storm damaged sheathing on the roof(bitumen torch down for flat roof most of the cost for roof) and we also required shingles needing replaced on main...
Allied Roofing LLC
Request a quote
Reviewed in August 2013
James Ferguson showed up with his installers the morning he was scheduled. Completed the job in one day. James came back to inspect the job the next Monday, before he billed us, and found and repaired some existing ductwork that was leaking air. <br /> Very knowledgeable and courteous. Not...
Ferguson's Heating and Air Conditioning LLC
Request a quote

Find Generator install pros in Chatham

5A Service Company, LLC

4.9(

101

)

Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Chatham, LA and surrounding areas

Approved

In business since 2018

Offers commercial services

Customers say: Quick response

"They installed a transfer switch for me, they came over and talked with me to see what I need. They were very friendly, and saw and understood what I need before they gave me there advice and suggestions. Needless to say they got, and did a great job..."

7 neighbors recently requested a quote

Recommended by91%of homeowners

Request Quote

Tri-State Water, Power & Air

4.4(

)

Fixed Generator - InstallGenerator - InstallGenerator - Install - For Business

Serving Chatham, LA and surrounding areas

Approved (Corporate)

In business since 1992

Free estimates

Emergency services offered

We are the experts in the field of Whole Home Generator Sales and Installation, with over 20 years of experience in the game. We provide turn-key installation by licensed professionals - 24 hour emergency service - Remote Monitoring - Long term maintenance and service by factory trained technicians.

112 neighbors recently requested a quote

Request Quote

Hendry Electrical Services, LLC

4.6(

)

Fixed Generator - InstallGenerator - Install - For Business

Serving Chatham, LA and surrounding areas

Approved

In business since 2013

Free estimates

Small jobs welcome

"I think, so far, I am happy for now..."

Response time2 days

Recommended by87%of homeowners

Fixed Generator - InstallPortable Generator - Install

Serving Chatham, LA and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"They got the job done right & efficiently. Great customer service."

Response time8 hrs

Response rate100%

14 neighbors recently requested a quote

Request Quote

GroundUp Solar & Electrical LLC

5.0(

)

Fixed Generator - Install

Serving Chatham, LA and surrounding areas

Approved

In business since 2014

Free estimates

Credit card accepted

"GroudUp Solar is your trusted local partner for solar energy solutions and comprehensive home improvements in [Your Area/Baton Rouge and surrounding regions]. We specialize in expert solar panel sales, professional installations, ongoing maintenance & service, plus all types of home upgrades including roofing, electrical, energy-efficient remodels, and more. Our team delivers high-quality, customized projects with a focus on sustainability, cost savings, and exceptional customer service. Go green and save?contact us for a free consultation today!"

2 neighbors recently requested a quote

Request Quote

Electrical Cook

New to Angi

Portable Generator - Repair

Serving Chatham, LA and surrounding areas

Approved

25 Year of Electrical Experience, Residential, Commercial, Industrial, Solar

Request Quote

5A Service Company, LLC

4.9(

100

)

Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Chatham, LA and surrounding areas

In business since 2018

Warranties offered

Small jobs welcome

"Ran electricity from house to barn, installed heavy duty fans over horse stalls, FANTASTIC job, highly recommend , very professional installation ."

Response time6 hrs

Recommended by92%of homeowners

Request Quote

The Generator House LLC

5.0(

)

Fixed Generator - Install

Serving Chatham, LA and surrounding areas

In business since 2010

Free estimates

Credit card accepted

"Serviced our Generator. Excellent service and good customer support. Noticed company motto: Guaranteed Peace of Mind was true."

Response time1 day

Response rate95%

Recommended by100%of homeowners

Fixed Generator - Install

Serving Chatham, LA and surrounding areas

In business since 2018

Free estimates

Emergency services offered

"Keith was very curtious and very knowledgeable about what he was doing. Fixed my problem in a short time. We thank him very much for all his help."

Response time8 hrs

Recommended by100%of homeowners

Portable Generator - Install

Serving Chatham, LA and surrounding areas

In business since 2020

Warranties offered

Small jobs welcome

"Dillion was very professional, showed up when he told us he would be here. Complete install of plugs, very knowledgeable. Would recommend him , any other electrical needs we will call him."

Response time2 hrs

Response rate94%

Recommended by89%of homeowners

Request Quote

Showing 1-10 of 25

Generator Install questions, answered by experts

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.

Sizing a generator is a careful process that requires calculating the electrical load of your entire house. You have to take into account every device you want to use and their wattage requirements, plus the wattage needed to start them, and look for a generator that can safely run all that at around 80% capacity.

In more practical terms, a small home can run on a 10,000-watt generator (and if you only want to power a few key appliances, much less than that). A mid-sized home may need something between 15,000 and 22,000 watts. Larger homes require 25,000 watts or more.

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.

While standby generators provide essential backup power, they can fail when you need them most due to lack of maintenance, fuel supply issues, dead batteries, electrical problems, or improper installation. To avoid costly failures, professional installation and regular maintenance are crucial. Licensed technicians ensure safety, uphold warranty requirements, comply with regulations, and provide expert servicing.

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

The Chatham, LA 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.