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Avatar for Bluff City Electrical Contractors
Bluff City Electrical Contractors
4.6(
18
)
Generator - Install - For BusinessGenerator - Repair - For Business

Serving Sewanee, TN and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"Excellent team and professional electricians. For my home remodel, they went above and beyond my expectations. They removed the old electrical, fixtures, receptacles, panels, etc and installed everything new. They saved our home from a severe fire hazard, and they will be back to install the kitchen electrical again soon."
Gallery
AI Data Center
AI Data Center in TN
Industrial Power
Team Photo

+5

Generx Generators
New to Angi
Fixed Generator - Install

Serving Sewanee, TN and surrounding areas

Approved

In business since 2003

Free estimates

Credit card accepted

GenerX provides residential homeowners and businesses with all their standby electric power solutions. We sell, install, service, and maintain Generac generators. We are a certified Generac Premier Dealer. In order to meet this qualification, Generac requires that you have a large inventory of new generators and parts, employ at least eight factory trained technicians, and maintain a minimum customer satisfaction rate of 92%. GenerX exceeds all of Generac's criteria and has received an abundance of Generac awards for sales, service, and installation.

Avatar for Sabin Electric, LLC
Sabin Electric, LLC
3.5(
9
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Sewanee, TN and surrounding areas

Approved

In business since 2010

Free estimates

Credit card accepted

"Our project was a pretty serious electrical problem pointed out to us by the buyer's home inspector. Sabin Electric knew time was a factor, that they would have to co-ordinate their job with the city power company & pull permits. They handled every bit of that and got our issue taken care of very quickly, helping to prevent any delay of our closing. We really appreciate this company and how they handled our electrical problem. I recommend them highly!"
New Commercial Wire
Panel Upgrade
Response time2 days
Response rate100%
11 neighbors recently requested a quote
Avatar for Myriad Electrical Contractors, Inc.
Myriad Electrical Contractors, Inc.
4.7(
31
)
Fixed Generator - InstallGenerator - Install - For Business

Serving Sewanee, TN and surrounding areas

In business since 2014

Free estimates

Credit card accepted

"They showed up on time, were courteous, knowledgeable and efficient. They left no mess and did a flawless job repairing some outlets and installing my Tesla charger. Their pricing was very competitive. I would highly recommend them."
Generac Generator
Response time5 hrs
Response rate94%
Recommended by100%of homeowners
Showing 1-10 of 33
Generator Install questions, answered by experts

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.

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. 

Here’s what you can run with different wattages and types of generators:

Portable generator:

  • 2,000 watts can handle a large appliance like a freezer or refrigerator, plus a few smaller items like phones or computer chargers. 

  • 4,000 watts will keep two large appliances operating and a few smaller devices.

  • 8,000 watts should power most essential appliances and other devices, including a sump pump, well pump, or your dishwasher.

Partial to whole-house generator:

  • 20,000 watts and above will make it seem like your home’s power is still on.

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.

If you’re deciding between a solar battery versus a generator for the best backup power solution, you can take a few factors into consideration. Solar batteries are quiet while generators can be quite loud. Generators have a lower up-front cost, but they require fuel and ongoing maintenance while solar batteries are more expensive but don’t have many ongoing costs.

The Sewanee, TN homeowners’ guide to generator installs

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