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Avatar for Greens Electrical
Greens Electrical
5.0(
25
)

Serving Central, SC and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"Mr. Green TRULY puts the customer first! He installed a whole house generator for me last August and called to check on us 6 months later because bad weather is coming. Brought me a key and showed me (again) how to add oil. I had several estimates and he beat other prices by several thousand $ AND he installed a bigger generator! I will definitely hire him again and recommend him to every one!! 5 star service *****!!"
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+1

Response time1 day
7 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for U.S. Energy Solutions
U.S. Energy Solutions
4.7(
74
)

Serving Central, SC and surrounding areas

Approved

In business since 2015

Warranties offered

Credit card accepted

"They are a busy company and I can understand why. It seemed like things were slow but a lot was going on behind what I could visualize. The permits and the Net metering agreement had to be approved first. After that the work began very fast. The waiting on Duke energy was a couple weeks after everything was installed but the results were extremely good. I now have a system that cools the house properly. My power bills went from $320 a month to $9.18 and even with the solar payment I am saving hundreds of dollars a month. The crews were very professional and did not take any short cuts. In this world everyone wants immediate installation and results but somethings take a little time to achieve the results expected. The company kept me up to date with the progress and the channels they had to go through to complete the process. They are very customer oriented and I would recommend them to anyone who was to save money. You have to have long term goals. Mine are going to be achieved with the help of U S Energy solutions. I thank them very much as they not only made me feel like a special customer, they made me feel like part of the family."
Horan Solar and Battery -Easley SC
Horan Solar and Battery -Easley SC
Horan Solar and Battery -Easley SC
Horan Solar and Battery -Easley SC
Horan Roof Installation 3rd day

+1

14 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for New Concept Electrical Services LLC
New Concept Electrical Services LLC
5.0(
19
)

Serving Central, SC and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Job was completed in a professional manner. Pro kept me informed at each stage of installation. Pro was punctual and completed the installation in a timely manner."
Tesla charger installation
Generator inlet box and breaker interlock installation
20 amp dedicated circuit for shop
Generator inlet box and breaker interlock installation
100 amp sub panel

+14

Response time7 hrs
Response rate95%
Recommended by78%of homeowners
Stephens Electric LLC
5.0(
31
)

Serving Central, SC and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"Stephens Electric replaced two 30-year-old fluorescent light fixtures in my kitchen with LEDs. I could not be happier with the work that was performed. I highly recommend this guy for all your electrical needs. He responds immediately to email and text messages and made some really good suggestions on what to buy to complete my project. The total installation time was about 90 minutes and the labor cost was very reasonable. I will use this person for all my future electrical jobs. ?"
Response time10 hrs
32 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for Dedicated Electrical Service, LLC
Dedicated Electrical Service, LLC
4.3(
163
)

Serving Central, SC and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Very professional. Advised us of our options before going ahead with a more expenses solution. Trustworthy. I would highly recommend Dedicated Electrical."
 customers lamp post
 Panel Rebuild
 ceiling fan
 Replacement of old equipment
 ceiling fan

+3

Response time5 hrs
10 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Dunn Electrical Services
Dunn Electrical Services
5.0(
29
)

Serving Central, SC and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Warranties offered

"Excellent! He was very knowledgeable, friendly, and the service he provided in installing our outdoor lighting and fixing the electrical issue we were experiencing in our house was top notch, all done in a timely manner! I will definitely be calling on him for any future electrical and or lighting needs, and I would highly recommend him to anyone!"
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+5

Response time8 hrs
3 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Just Electric, LLC
Just Electric, LLC
4.6(
21
)

Serving Central, SC and surrounding areas

Approved

In business since 2000

Free estimates

Credit card accepted

"Installed a generator transfer switch and subpanel for me the job turned out to be more complicated than anticipated but he really came through for me"
Response time6 hrs
Response rate85%
7 neighbors recently requested a quote
American Electrical Contractors LLC
5.0(
11
)

Serving Central, SC and surrounding areas

Approved

In business since 2000

Free estimates

Credit card accepted

"There are no words! These guys are top notch humans. We needed a whole new service installed after Helene, there were here first thing Tuesday, and went far above their job. I went to work but my daughter and newborn grandson were here. These guys brought her lunch and ran an extension cord and brought in a commercial fan. They didn't stop there, them and my landlord fixed our generator, we couldn't get it going, left the fan for us to use, filled the gas in the generator. I hope they know just how much we appreciate all their kindness. The city came right out an approved their work, we are all set for when Duke shows up."
Response time2 days
Recommended by100%of homeowners
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Generator Install questions, answered by experts

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.

While diesel is relatively stable, it won’t last nearly as long as propane and you may have to replace it if it sits unused for too long. Diesel can sometimes struggle to work efficiently or start engines during especially cold weather, so it’s not the best choice for every climate. Compared to fuels like propane and natural gas, diesel generators tend to be noisier and create more exhaust, which isn’t always ideal for home use.

Yes, natural gas generators can work without electricity. Natural gas generators are a common type of backup or whole-house generator that operates when the electrical grid isn’t working. The trick is using a transfer switch (which usually needs to be installed with the generator) that safely switches the home electrical system from the power grid to generator power when needed.

Natural gas and electricity rates vary significantly based on location, and pricing can change over time, too. It’s possible that in locations where natural gas is particularly inexpensive, it will cost less than grid-based electricity will. However, you should also factor in the generator’s initial costs and maintenance needs, as well as its noise level and if it can comfortably power all your home appliances.

The average cost to install a home generator is $5,200, but total costs can range from $500 to $18,000 or more. The final price depends on several factors, including the generator's size, type, brand, fuel source, and the cost of labor and assembly. The generator's size is the most significant cost factor, as units that can power larger homes with higher energy demands cost more.

Cost breakdowns by generator type are typically as follows:

  • Portable or Emergency Backup Generators (1kW–7.5kW): $500–$2,000

  • Partial-Home Generators (9kW–20kW): $2,000–$6,500

  • Whole-House Generators (22kW–48kW): $5,000–$18,000

To ensure you get the right size unit for your needs without overpaying, consider hiring an electrician to calculate the electrical load of your essential appliances. It is also recommended to get at least three quotes from qualified installers to find the best fit for your budget.

The Central, SC homeowners’ guide to generator installs

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

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