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Avatar for Generator Solutions of SWFL, Inc.
Generator Solutions of SWFL, Inc.
4.4(
63
)

Serving Century, FL and surrounding areas

In business since 2009

Free estimates

Credit card accepted

"Steve and Michael were outstanding from start to finish! Always available to answer your questions. Seamless process throughout, from estimate, to locating placement of tank and generator, in-ground tank installation, city inspection, and generator running instructions. I have absolutely no reservations in recommending Steve and Michael Cardenas!"
Recommended by96%of homeowners
Avatar for Selectricity
Selectricity
4.6(
97
)

Serving Century, FL and surrounding areas

In business since 2006

Free estimates

Emergency services offered

"Perfect! This company is always on time, returns calls and is there when they say they will be there! Harold was a great electrician and he was also a great teacher in that he instructed me how to manage my electrical needs using the equipment he installed. It’s a source of comfort to know that I have a company I can depend on !"
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+1

Response time1 day
Recommended by87%of homeowners
Avatar for Coastal Power LLC
Coastal Power LLC
5.0(
12
)

Serving Century, FL and surrounding areas

In business since 2022

Free estimates

Credit card accepted

We invite you to experience a tradition of customer satisfaction that will exceed your greatest expectations. Our professionalism and quality workmanship will accurately reflect your taste and lifestyle. From conception to completion, we work with you until the job is done. We are ethical, honest, and easy to communicate with. \n\nCall us today you'll be pleased you did. Thank you

1 neighbors recently requested a quote
Recommended by27%of homeowners
Avatar for Sunspark Electric LLC
Sunspark Electric LLC
5.0(
1
)

Serving Century, FL and surrounding areas

In business since 2023

Free estimates

Emergency services offered

"I have been using matt for my electric needs for years now. He always goes above and beyond with his work. He followed all local code requirements and was patient with me and all of my questions. Highly recommend"
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Recommended by100%of homeowners
Avatar for The Home Depot - Generators
The Home Depot - Generators
2.5(
1
)

Serving Century, FL and surrounding areas

In business since 2003

Free estimates

Small jobs welcome

Today, we're proud to be the world's largest home improvement retailer. In 2,300 stores across North America, we aspire to excel in service – to our customers, associates, communities and shareholders. That's what leadership means to us. That's The Home Depot difference.

Generators
Generators
Generators
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+5

Carter Mobile Marine
3.7(
3
)

Serving Century, FL and surrounding areas

In business since 2009

Free estimates

Credit card accepted

With over 35 years in the electrical industry, we pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business!\n

Response time2 days
Recommended by100%of homeowners
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Generator Install questions, answered by experts

The cost to install a whole-house generator averages $5,200, with a typical price range of $1,500 to $8,900. However, total costs can vary from $400 for a small portable unit to over $18,000 for a large-capacity system. The most significant cost factor is the generator's size and capacity, but other variables include the brand, fuel type, and labor for assembly and installation.

Generator costs can be broken down by type:

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

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

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

To avoid paying for more power than you need, consider hiring an electrician to calculate the electrical load for your essential appliances. It is also recommended to get at least three quotes to find the best deal for your specific needs and budget.

A 1,500 square foot home will likely need a 15kW to 20kW generator. When deciding on whole-house generator size, add up the total wattage of the devices that you’d like to continue running during a power outage. That way, you can ensure you purchase a generator that can power your necessary appliances or medical equipment during an electrical emergency.

While natural gas generators are costly, they’re a great option for standby power due to the reliability of natural gas as a fuel source. Unlike other fuels, natural gas is delivered through underground pipes, making outages extremely rare and less likely to be affected by the elements. As long as the area isn’t prone to earthquakes, they offer an unlimited supply of natural gas that doesn’t degrade over time or require storage in tanks.

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.

The Century, FL homeowners’ guide to generator installs

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