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Avatar for Southern Power Systems, LLC
Southern Power Systems, LLC
4.9(
86
)

Serving Clermont, GA and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

"Randy Hamrick(owner) was very thorough answering my questions and follow up. The installation crew was pleasant and efficient. Generator installation was completed on the date promised."
Generator Installation
Generator Installation
Generator Installation
Generator Installation
Generator Installation

+2

Response time2 days
74 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Professional Systems Design
Professional Systems Design
4.6(
107
)

Serving Clermont, GA and surrounding areas

Approved

In business since 1996

Emergency services offered

Warranties offered

"I cannot rave enough about Professional Systems Design. Initially, they came to my house by chance, but Iâ ve had them come back several times by choice. My husband and I had just bought a house that was in need of many electrical repairs. Our home warranty company sent out Jeremy and his company, Professional Systems Design. I had a list of things I wanted done and Jeremy and his team were able to do everything, working with the warranty company to get as many of the projects covered as possible. What the warranty company didnâ t cover, the charge to us was very reasonable. Since that initial visit, Iâ ve hired Professional Systems Design several times to complete more projects because they are honest, proficient, personable, and professional. Jeremy, the owner, is extremely knowledgeable and skilled in his area of expertise. The team installed new ceiling fans, fixed and added extra outlets, replaced old lighting with recessed lights, installed a camera doorbell system as well as a new bathroom exhaust fan, just to name a few things they did for us. Whenever I had a question or wanted an opinion about how to best accomplish what I wanted to in a room, Jeremy had the answer. Basically, Jeremy knows his stuff! There wasnâ t anything I presented to him that he or his crew couldnâ t do. I have 100% confidence in Professional Systems Designâ s ability and integrity, and I HIGHLY recommend them!"
Asile
Staging Area
Loading Area
Inverter and Control Center
Solar Panels

+7

Response time12 hrs
Response rate89%
Recommended by97%of homeowners
Big Frog Electric, LLC
4.1(
7
)

Serving Clermont, GA and surrounding areas

Approved

In business since 2011

Free estimates

Credit card accepted

"I recently shared a review regarding the service that was not positive on 7/30/2020. I am retracting the statement because I received a phone call from Derrick and we spoke. He provided me a resolution to the issue which was to come out a instal my lights. He was very responsive , concerned and professional. I am a satisfied customer and I highly recommend them for your electrical need. Side note: this was my second time hiring this company and I will call them for my next project."
Recommended by100%of homeowners
Avatar for All Pro Generator Service & Repair, LLC
All Pro Generator Service & Repair, LLC
5.0(
4
)

Serving Clermont, GA and surrounding areas

In business since 2024

Free estimates

Credit card accepted

"Ashley made the process painless and easy. He communicated with me throughout the entire repair and even took the time to answer my questions as well. I’ve since added them for my annual maintenance to keep my generator working every time we need it."
Cleaning a residential generator.
The owner (Ashley) in front of the Atlanta Falcons head coach's home after repairing his generator and transfer switch
This generator is now serviced and spotless and ready for the next storm.
Recommended by100%of homeowners
Avatar for Myriad Electrical Contractors, Inc.
Myriad Electrical Contractors, Inc.
4.7(
31
)

Serving Clermont, GA 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
Avatar for Jimenez electrical contractors
Jimenez electrical contractors
5.0(
13
)

Serving Clermont, GA and surrounding areas

In business since 2024

Free estimates

Emergency services offered

"I recently had an electrical home inspection performed by Jimenez electrical contractors, and I couldn't be more satisfied with the service. The inspector was incredibly thorough, knowledgeable, and professional throughout the entire process. They took the time to explain every detail and provided valuable insights into the electrical system of my home. The scheduling was smooth and convenient. They also arrived on a timely manner. I highly recommend their services to anyone in need of a reliable and comprehensive electrical home inspection. They exceeded my expectations in every way!"
Electrical Project
Electrical Project
Electrical Project
Electrical Project
Electrical Project

+34

Recommended by100%of homeowners
Avatar for Argo Total Electric Services
Argo Total Electric Services
4.9(
93
)

Serving Clermont, GA and surrounding areas

In business since 2011

Free estimates

Emergency services offered

"Flawlessly!. George replied within 15 minutes and sent me a scheduled work time that day. I received text notifications that the work was being done and a call from the electrician while on the property. The next day, I had my required Corps documents in hand."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+2

26 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Power Services, LLC
Power Services, LLC
3.8(
72
)

Serving Clermont, GA and surrounding areas

In business since 2009

Free estimates

Credit card accepted

"Robert and his crew did an amazing job on installing a new electrical panel (upgrading from 200 AMP to 400 AMP). They were on top of coordinating with the county and electrical company. I strongly recommend them."
Recommended by86%of homeowners
Showing 1-10 of 39
Generator Install questions, answered by experts

It’s usually better to repair your generator if it isn’t working properly, as it will typically be much more affordable and should yield similar results. Generator repairs cost around $300 on average, while installing a new whole-house generator costs around $5,000 on average. The only exception is if you know your generator is reaching the end of its useful life, usually between 30 and 40 years. If you have an older generator, you could face multiple repairs in the coming years, which might mean that a full replacement will be more cost-effective over time.

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. 

A home that is 2,500 square feet will likely need a 20kW to 25kW generator. Consult your local generator installer to confirm the generator size needed to power your home before purchasing a new one. Be sure to consider how much power your necessary devices need to run.

You can determine what size generator you need for a transfer switch by matching the switch to the largest outlet on your generator. Larger generators can power up to 10 circuits, while most 5,000-watt generators can provide power to six circuits. So, if your generator’s largest outlet is 30 amps, you’ll need a 30-amp transfer switch.

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.

The Clermont, GA homeowners’ guide to generator installs

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