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Avatar for Sisk Electric
Sisk Electric
5.0(
13
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Summertown, TN and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"Sisk Electric was top notch!! Showed up on time when he said he would. Was quick to figure out my problem and repair my issue with great and very reasonable cost . Would recommend to anyone needing Electrical service."
Response time2 days
Response rate93%
11 neighbors recently requested a quote
Generx Generators
New to Angi
Fixed Generator - Install

Serving Summertown, 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.

Gobbell Electrical
4.9(
17
)
Fixed Generator - Install

Serving Summertown, TN and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"10 STAR SERVICE from Gary Gobbell Electric! Gary was the first angi recommendation to contact me. He came out that day to see exactly what I needed and he gave me an estimate that night that was worth every penny of the amount of work involved. Gary arrived the next morning with a crew of experience men who worked hard digging a ditch for electrical service replacement. I told them where to dig and said don't worry, their is nothing in the way. I was Wrong! my gray water pipe was in the ditch, and it was cut . They to told me , Don't worry, be happy! we will fix it no problem. They did. They installed a new 100 amp service panel with new breakers, fixed my mistake, and did a great job. I have already recommend them to my brother. They do what they say they will do and that is awesome! Gary Gobbell Electric deserves 10 STARS!" Book em Dano!""
Call now at (931) 332-4596
Response time1 day
Response rate90%
Recommended by94%of homeowners
Avatar for Premier Generators
Premier Generators
5.0(
5
)
Fixed Generator - Install

Serving Summertown, TN and surrounding areas

In business since 1974

Free estimates

Emergency services offered

Power outages don't have to disrupt your life. Founded in 1994, Premier Generators has been the Southeast's trusted Generac dealer for over 30 years. As a top Generac partner trusted by thousands of homeowners, we deliver factory-certified home standby generator installations that provide reliable safety and security when you need it most.\n\nOur certified technicians bring unparalleled service quality, ensuring your generator automatically kicks in during outages to keep your home powered. Whether you need whole-home backup or essential systems coverage, we tailor power solutions to your specific needs using natural gas or propane systems.\n\nWhat started as a commitment to providing reliable backup power solutions has grown into the region's leading authority in home standby generator sales and installations. Choose Premier Generators for dedicated satisfaction, certified excellence, and peace of mind that your family stays comfortable and secure no matter what.

Avatar for Greenway Electric Service Company
Greenway Electric Service Company
4.7(
36
)
Fixed Generator - InstallPortable Generator - Install

Serving Summertown, TN and surrounding areas

In business since 2021

Free estimates

Emergency services offered

"CJ did a perfect job installing my ceiling light. He was very knowledgeable and did a great job. The appt had to be rescheduled and he texted me immediately to reschedule and kept me informed which I so appreciated. Also, as an added benefit his prices are very good. I will hire him for future jobs."
Chateau west
Chateau west
an outlet a client wanted in specific location
Outlet install for a mounted tv
240v Commercial grade patio heaters

+2

Response time3 hrs
Recommended by90%of homeowners
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Generator Install questions, answered by experts

Costs range from $500 to $2,500, depending on generator type and installation complexity.

In some situations, yes. Never try to put biofuel into any home generator without checking the specifics first. If a generator has the ability to run on diesel, it can also run pure biofuel (the clear kind made from seed oils, for example). But if you are using biofuel made from animal fats or vegetable oils, the generator will need significant modifications before it can handle a sludgier type of biofuel.

To determine the right size generator for your house, you should calculate the total wattage of the appliances and devices you want to power during an outage. List all essential items, note their start-up wattages, and add them together.

Here are some typical wattage requirements for common appliances:

  • Refrigerator: 600 watts

  • Large dehumidifier: 700 watts

  • Large window air conditioner: 1,400 watts

  • Water heater: 3,000 to 4,500 watts

  • Electric furnace: 5,000 to 25,000 watts

A 7,500-watt generator might be sufficient for essentials like a refrigerator, freezer, well pump, and lighting circuits. However, for high-demand items like a water heater or furnace, a whole-home generator is a better choice. A portable generator may be enough if you only need to power a few critical items.

While home square footage can offer a rough estimate, it is not always a reliable indicator. For reference, here are some typical generator sizes based on square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14 kW

  • 2,500 sq ft: 12–16 kW

  • 3,000 sq ft: 16–20 kW+

For the most accurate sizing, consult a professional who can calculate your home's peak and average power consumption and recommend the optimal generator.

A portable generator can supply power to selected appliances and circuits in a home, but it's generally not designed to handle the entire household's electrical needs simultaneously. Portable generators have limited wattage capacity, so they are only designed to power essential devices and electronics temporarily until local power is restored. If your power needs outweigh the capabilities of a portable generator, consider installing a whole-home generator instead.

Whole-house generators need to be installed on level ground several feet away from walls and other objects. Because they tap into the electrical system directly, they usually need to be close to your home electrical panel for a transfer switch installation. It also helps with installation if they are near to a gas line or propane tank installation.

The Summertown, TN homeowners’ guide to generator installs

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