Top-rated generator install pros.

Get matched with top generator install pros in Johnston, SC

Enter your ZIP and get matched with up to 5 pros

Verified Reviews for Generator Install pros in Johnston, SC

*The Angi rating for Generator Install companies in Johnston, SC 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 Johnston, SC 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 October 25, 2025

Find Generator install pros in Johnston

Avatar for Accent Tel USA

Accent Tel USA

3501 Bessie Coleman Blvd, Suite 25203
4.89(
9
)
•Approved Pro

Accent Tel USA

3501 Bessie Coleman Blvd, Suite 25203
4.89(
9
)
•Approved Pro
Customers say: Quick response
16 years of experience
Free onsite estimate

Our Company provides a one-stop solution for all of your voice, internet, and telecom needs. Leveraging the Cloud we provide your Office state-of-the-art telephones for little or no upfront cost striving to keep your monthly costs the same. Sound too good to be true? Give us a call and we will show you how.

"Telephone System - Install or Upgrade - For Business "

Anthony O on September 2025

Our Company provides a one-stop solution for all of your voice, internet, and telecom needs. Leveraging the Cloud we provide your Office state-of-the-art telephones for little or no upfront cost striving to keep your monthly costs the same. Sound too good to be true? Give us a call and we will show you how.

"Telephone System - Install or Upgrade - For Business "

Anthony O on September 2025

Avatar for Camera Kings

Camera Kings

918 Oxbow Ln
4.96(
28
)
•Approved Pro

Camera Kings

918 Oxbow Ln
4.96(
28
)
•Approved Pro
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
19 years of experience

Welcome to Camera Kings! We take pride in the quality of work and customer satisfaction that we give each customer! With over 15 years experience, we are known to pay exquisite attention to detail while making customer satisfaction our top priority. Call us today to learn more about how we can help you!

"Very professional"

Bridget T on March 2025

Welcome to Camera Kings! We take pride in the quality of work and customer satisfaction that we give each customer! With over 15 years experience, we are known to pay exquisite attention to detail while making customer satisfaction our top priority. Call us today to learn more about how we can help you!

"Very professional"

Bridget T on March 2025

Avatar for Fulmer's Electrical, LLC

Fulmer's Electrical, LLC

246 Windy Ridge Road
5.00(
11
)
•Approved Pro

Fulmer's Electrical, LLC

246 Windy Ridge Road
5.00(
11
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
7 years of experience

Fulmer's Electrical, LLC is a business dedicated to providing high quality work while turning customer's ideas into reality. From new residential construction to repairing any electrical needs for your home, you can be sure our work is done right, by code, safely, and efficiently. We are professionals with 15+ years of electrical experience who will show up on time! Please call us today.

"Fulmer electrical is awesome. Put up my ceiling fans, flood light, and my lorex security system for a great/reasonable price. They are coming back next week to install new lights for the kitchen. Call them today for all your electrical needs."

Margarita R on April 2019

Fulmer's Electrical, LLC is a business dedicated to providing high quality work while turning customer's ideas into reality. From new residential construction to repairing any electrical needs for your home, you can be sure our work is done right, by code, safely, and efficiently. We are professionals with 15+ years of electrical experience who will show up on time! Please call us today.

"Fulmer electrical is awesome. Put up my ceiling fans, flood light, and my lorex security system for a great/reasonable price. They are coming back next week to install new lights for the kitchen. Call them today for all your electrical needs."

Margarita R on April 2019

Avatar for Continental Engines

Continental Engines

No reviews yet

Continental Engines

No reviews yet
57 years of experience

For 55 years, Continental Engines has provided engine and power generation solutions at the distributor level across the East Coast. Continental Engines carries multiple Generator brands to choose from, such as Kohler, and services all of the Carolinas and Georgia. We install, service and provide maintenance for all generators.

For 55 years, Continental Engines has provided engine and power generation solutions at the distributor level across the East Coast. Continental Engines carries multiple Generator brands to choose from, such as Kohler, and services all of the Carolinas and Georgia. We install, service and provide maintenance for all generators.

Rd electrical llc

Chalet North Cr
No reviews yet

Rd electrical llc

Chalet North Cr
No reviews yet

Ceiling fan installation Energy saving LED lighting solutions Holiday lighting Indoor Recessed lighting Outdoor lighting, New outlets, and light switches Kitchen lighting and range installation Lamp post wiring Landscape lighting Lighting controls / dimmers Circuit breaker replacement Code compliance Computer wiring Electric and Breaker Panel Upgrades Electric heat, ranges & dryer installation Internet wiring Pool, spa or hot tub wiring Service Panel Upgrades Underground wiring Wiring upgrades Installation & Service Backup power/generators Exhaust fan installation Motion Sensors Smoke/CO detectors Whole home surge protection GFCI outlets 20+ years Electrical Experience Fully insured

Ceiling fan installation Energy saving LED lighting solutions Holiday lighting Indoor Recessed lighting Outdoor lighting, New outlets, and light switches Kitchen lighting and range installation Lamp post wiring Landscape lighting Lighting controls / dimmers Circuit breaker replacement Code compliance Computer wiring Electric and Breaker Panel Upgrades Electric heat, ranges & dryer installation Internet wiring Pool, spa or hot tub wiring Service Panel Upgrades Underground wiring Wiring upgrades Installation & Service Backup power/generators Exhaust fan installation Motion Sensors Smoke/CO detectors Whole home surge protection GFCI outlets 20+ years Electrical Experience Fully insured

Avatar for Elite Electrical

Elite Electrical

4232 Cap Chat St
4.94(
36
)

Elite Electrical

4232 Cap Chat St
4.94(
36
)
Customers say: Quick response
12 years of experience

Residential, commercial, and industrial electrical services. We guarantee your satisfaction, and we won't leave until the job is done right. Our team has quality experience in this industry, and we make sure our customers are happy before we leave. Call or click to schedule an estimate today!

"Responded immediately to repair a botched installation of my pendant light. It was obvious from the beginning he was an expert craftsman and knew what he was doing. Excellent work thank you so much! Completely recommend!"

Karen N on October 2025

Residential, commercial, and industrial electrical services. We guarantee your satisfaction, and we won't leave until the job is done right. Our team has quality experience in this industry, and we make sure our customers are happy before we leave. Call or click to schedule an estimate today!

"Responded immediately to repair a botched installation of my pendant light. It was obvious from the beginning he was an expert craftsman and knew what he was doing. Excellent work thank you so much! Completely recommend!"

Karen N on October 2025

Anderson Power Services

1735 Piedmont Hwy
No reviews yet

Anderson Power Services

1735 Piedmont Hwy
No reviews yet
30 years of experience

Our quality products from Generac offer you the best performance at the most efficient cost of operation. There’s only one who is second to none. Anderson Power services, for all your power needs! Are you looking for a power services company you can trust for all your emergency power needs? Are you searching for a generator distribution, generator installation, and generator repair services company who will go the extra mile for your needs? Anderson Power services has been the Southeast’s fastest growing Generac generator supply and repair company since 1995.

Our quality products from Generac offer you the best performance at the most efficient cost of operation. There’s only one who is second to none. Anderson Power services, for all your power needs! Are you looking for a power services company you can trust for all your emergency power needs? Are you searching for a generator distribution, generator installation, and generator repair services company who will go the extra mile for your needs? Anderson Power services has been the Southeast’s fastest growing Generac generator supply and repair company since 1995.

Showing 1-10 of 14
Generator Install questions, answered by experts

Yes. You can connect your home back-up battery to a generator with its designated charger. Be sure that the output of the generator matches the input requirements for the battery for best results.

Generally, you’ll want to keep between 60 and 70 feet between the generator and the transfer switch. There are a few reasons for this, including:

  • The distance reduces the noise coming from the generator into your home.

  • It increases efficiency because you won’t have a voltage drop from this short of a distance.

  • Prevents carbon monoxide poisoning: keep at least 15 feet between your generator and an open window. 

Setting up utilities on a vacant property usually takes at least a few months, or between 6 weeks to 16 weeks. This process requires working with the local planning and zoning department, hiring a building contractor or engineer to design the utility layout, securing permits, laying the lines, and connecting the utilities.

You can determine what size generator you need by listing the various appliances it will power during an outage. Write down the start-up watt usage, and then add them all together. 

A 7,500-watt generator will run your refrigerator, freezer, well pump, and lighting circuits without a problem. However, you’ll need an extra 3,000 to 4,500 watts to run your water heater and another 5,000 to 25,000 watts to run your electric furnace. In these instances, a whole-home generator is your best bet for running your critical equipment.

You may need a permit for a portable generator if you’ll be installing a transfer switch for your primary residence or similar work. Otherwise, a permit for other uses may not be necessary. Check your local building codes or ask a local generator installer for more information about your local regulations.

The Johnston, SC 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

What do you need done? We’ll find top pros.
  • 🌱 "Mow a small front yard"
  • 🛠 "Fix a leaking pipe under the sink"
  • 🏠 "Repair shingles on an asphalt roof"