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Avatar for Red Clay Mechanical LLC
Red Clay Mechanical LLC
5.0(
3
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Chatham, VA and surrounding areas

Approved

Free estimates

Small jobs welcome

Credit card accepted

"I had an excellent experience working with this company from start to finish. The team was professional, responsive, and truly cared about providing quality service. They communicated clearly throughout the entire process and made everything stress-free and easy to understand. What stood out most was their attention to detail and dedication to customer satisfaction. It’s hard to find businesses these days that genuinely go above and beyond, but this company absolutely did. The work was completed on time, exceeded my expectations, and the quality was outstanding! I highly recommend this company to anyone looking for reliable, honest, and professional service. I will definitely be using them again in the future!"
Mounted 75" TV
Handyman Projects
Handyman Projects
Handyman Projects
Handyman Projects

+8

7 neighbors recently requested a quote
Wynn's Electric, LLC
4.9(
6
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Chatham, VA and surrounding areas

In business since 2021

Free estimates

Credit card accepted

"Kenneth Wynn came to install a generator transfer switch box inside my house and a plug for outside. He was very professional and was training two younger guys who were very nice and courteous. I was thankful that the Lord had put me in contact with somebody that I could trust! I would definitely call him again for any electrical work that I might need in the future."
Response time10 hrs
Recommended by100%of homeowners
Avatar for The Home Depot - Generators
The Home Depot - Generators
2.5(
1
)
Fixed Generator - Install

Serving Chatham, 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

John McCane Electrical & Home Improvements
New to Angi
Portable Generator - Repair

Serving Chatham, VA and surrounding areas

In business since 2009

Free estimates

Offers commercial services

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 the start to the 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.

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Generator Install questions, answered by experts

To power a central air system during a power outage, the whole-house generator will need to be at least 5,000 watts, and this number will significantly increase for larger units. Check the specific wattage requirements of your AC unit to choose the right generator size. Consider consulting a generator installer to ensure your whole-house generator meets your electrical load needs.

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.

Generators are usually sized by running watts and starting watts. Ideally, you’ll want a generator that can offer both the necessary running watts and starting watts for everything you need to power without going beyond 90% of its capacity. Calculate your home’s electrical load based on the breakers in your home or adding up the appliance and lighting needs of connected rooms.

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. 

In most municipalities, you will need a permit to install a permanent home generator, including emergency backup, partial-home, and whole-home generators. A permit for a generator usually costs between $50 and $250, depending on where you live. Your electrician or certified generator installer will usually pull the permit for you—and might be required to do so by your building department—but you’ll be on the hook for the cost of the permit. You should ask your installer before agreeing to any work if they will pull the necessary permits for your project.

The Chatham, VA homeowners’ guide to generator installs

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