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Avatar for A-1 Florida Electric Contractor Corp.
A-1 Florida Electric Contractor Corp.
4.6(
50
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Waldo, FL and surrounding areas

Approved

In business since 2014

Free estimates

Credit card accepted

"On a Saturday afternoon. Our well pump stopped working and we contacted Angi for help. Within minutes A1 contacted us and came out on Sunday morning. Within minutes we had water again. These Gentlemen were on time, polite and knew what they were doing. They moves the pumps electrical box to a area where we could get to it. (We are old! LOL) and they checked all our electrical boxes. The price was extremely fair. I will use A1 now for all my electrical needs."
Meter Installation
Rv 50 Amp Hookup
Commercial Electrical Panel and Gutter
Commercial Job
Electrical Desconective 600 amp

+7

Response time2 days
3 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Snyder Co.
Snyder Co.
4.5(
60
)
Fixed Generator - InstallPortable Generator - Install

Serving Waldo, FL and surrounding areas

Approved

In business since 1985

Free estimates

Emergency services offered

"I needed a lot of wires re-routed but the electrician gave me other options that were cheaper and easier to complete. He didn't try to sell me anything I didn't need/want and was very kind and professional. I would highly recommend and will be using Snyder again for other electrical projects I am planning."
Panel Changes
Panel Changes
Panel Changes
Panel Changes
Team Photos

+8

125 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for On-Site Power Services
On-Site Power Services
New to Angi
Portable Generator - InstallPortable Generator - RepairGenerator - Repair - For Business

Serving Waldo, FL and surrounding areas

Approved

In business since 2004

Free estimates

Credit card accepted

Protect your home from the risks caused by sudden power outages with a generator from Generac, the industry leader, installed by the experts at On-Site Power Services. In the event of a power failure, these reliable systems automatically start up, supplying electricity to your home until the local power utility restores service. Permanent installation of a standby generator is not a do-it-yourself project. On-Site Power Services has factory-trained technicians who meet Generac's high standards for service and customer satisfaction. Our service professionals meet warranty conditions, ensure safe and proper operation, and are always here to provide Emergency Assistance, 7 days a week. We dispatch technicians quickly, and our team is equipped to resolve most repairs right then and there.

Project Photos
Project Photos
Project Photos
6 neighbors recently requested a quote
Trademark Electric
New to Angi
Fixed Generator - Install

Serving Waldo, FL and surrounding areas

Approved

In business since 2012

Free estimates

Credit card accepted

Trademark Electric was founded in 2012 & has grown into being one of Generac’s top Power Pro Prestige Dealers in Florida. We are a state-certified electrical contractor, with Generac certified technicians who are qualified to install, service and handle warranties on both residential and commercial Generac Generators. Our office staff are educated and ready to assist with any of your generator needs from scheduling your FREE consultation, to permitting & installation, to maintaining the longevity of your unit.

Photos
Photos
Photos
Photos
Photos

+26

44 neighbors recently requested a quote
Blackwell Electric, LLC
4.4(
36
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Waldo, FL and surrounding areas

In business since 2004

Credit card accepted

"Blackwell provides fast and great service! I have had them out to my house now twice and am very happy. The last time we were installing a fan when the husband fell off of the ladder and broke his wrist on a Thursday. I had family coming in that weekend and Blackwell made it out on Friday in time before family arrived. Prices are fair and everyone at the company is professional, honest and nice. Highly recommend."
Response time2 days
Recommended by89%of homeowners
Avatar for Maverick Electrical and Telecom, LLC
Maverick Electrical and Telecom, LLC
5.0(
9
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Waldo, FL and surrounding areas

In business since 2024

Free estimates

Emergency services offered

"We have used Maverick electrical for many times! From complex situations like running electrical to a new building to simply installing a new outdoor light. Chris is knowledgeable, professional and has the highest standards for his work. Here’s a list of projects completed for us by Mavericks. Ran new electrical from our house to our barn (350ft away). Installed a breaker panel in it and then ran outlets and installed lights/fans in it. Installed security light on our garage Ran electrical from our house to our new garage build. Installed breaker panel in the garage and then installed outlets. Replaced breakers in electrical panel when the circuit was overloaded Installed and ran cable for Starlink satellite We go with Mavericks because we know we’ll be happy with the outcome and we can trust them to do quality work!"
Response time7 hrs
Response rate100%
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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.

The amount of time a standby generator can run continuously is around 3,000 hours on average. However, standby generators can generally run indefinitely as long as they have a continuous fuel supply. Generators hooked up to a home’s natural gas supply are the best option for extended usage, as these won’t rely on a finite fuel supply based on how much you have in storage. Generators running on liquid propane or diesel won’t last as long, as these require fuel storage and regular refueling to stay running.

DIY is possible for basic setups. Professional installation ensures safe and proper electrical connections.

You can expect a diesel generator to last for up to 30,000 hours of use, which works out to 20 to 25 years with the proper maintenance, of course. That depends on how much you use it, so a diesel generator used for emergencies a couple of times a year will last a lot longer than a generator that takes over for a faulty electrical grid every month for a day or two. 

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 Waldo, FL homeowners’ guide to generator installs

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