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Avatar for Mr. Electric of Jacksonville NC
Mr. Electric of Jacksonville NC
4.7(
15
)
Fixed Generator - InstallPortable Generator - Install

Serving Havelock, NC and surrounding areas

Approved

In business since 2023

Free estimates

Warranties offered

"We had a great experience working with Byron, during our home renovation. He didn’t just come in and do the electrical work, he took the time to offer thoughtful input that really helped us plan out our lighting and make decisions we’re very happy with. He was knowledgeable, professional, easy to communicate with, and incredibly easy to work with around our renovation schedule. Having someone who was flexible, dependable, and willing to share his expertise made the whole process so much easier. We’re very pleased with the finished work and would absolutely recommend him to anyone looking for a knowledgeable and reliable electrician. We’ll definitely be calling him again for future projects!"
Champion Whole Home Generator Install
Generac Whole Home Install
After
Before
Chevrolet Charger

+2

Response time1 day
12 neighbors recently requested a quote
Recommended by50%of homeowners
Avatar for Amperage Electrical / Handyman Services NC
Amperage Electrical / Handyman Services NC
4.4(
14
)
Fixed Generator - RepairGenerator - Repair - For BusinessPortable Generator - Repair

Serving Havelock, NC and surrounding areas

In business since 2024

Free estimates

Credit card accepted

""I recently had Electric Working come out to service my generator, and I couldn't be happier with the service I received! From the initial call to the completion of the job, their professionalism and expertise were evident. The technician was punctual, knowledgeable, and took the time to explain the issue and the repair process clearly. The work was done efficiently, and my generator is now running perfectly. I highly recommend Electric Working for any electrical needs – their commitment to quality and customer satisfaction is truly outstanding!""
Response time1 day
Response rate88%
Avatar for Bender Remodeling, Inc.
Bender Remodeling, Inc.
4.4(
24
)
Fixed Generator - Install

Serving Havelock, NC and surrounding areas

In business since 2001

Free estimates

Credit card accepted

"They are very good, take care of their customers, and if anything needs to be done they will fix it and they make sure every employee has done their job properly."
River House
Guest Bath
Master Bath
Laundry
Library

+9

Response time20 mins
Response rate100%
Recommended by89%of homeowners
Avatar for Phillip Keith Davis
Phillip Keith Davis
5.0(
4
)
Fixed Generator - InstallFixed Generator - Repair

Serving Havelock, NC and surrounding areas

In business since 2000

Credit card accepted

Offers commercial services

"He received the notice early on Saturday morning and called within an hour. He was at my house to get the estimate done an hour after that. We agreed to have the install done the following Friday to give him time to get the permits done. He and his son we exactly on time and the price was actually lower than I anticipated. A totally professional job. This guy is on my list for my next electrical job."
1 neighbors recently requested a quote
Showing 1-10 of 24
Generator Install questions, answered by experts

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.

Yes, in most municipalities, you will need a permit to install a permanent home generator, including emergency backup, partial-home, and whole-home models. Because these installations involve significant alterations to your home's electrical system and produce exhaust fumes, local governments often require a permit or inspection for safety purposes. A generator permit typically costs between $50 and $250, depending on your location. Your electrician or certified installer can usually handle the permitting process for you, but you will be responsible for the cost. It's a good practice to confirm with your installer that they will pull all necessary permits before work begins.

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. 

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

A 10,000-watt generator can run a small to mid-sized central AC unit (typically up to 3 tons or 36,000 BTU) along with a few other appliances. However, larger AC units or additional loads will require a bigger generator. Consult a local generator installer to ensure you add the correct size generator to your home.

The Havelock, NC homeowners’ guide to generator installs

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