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Best generator install pros near Key Largo, FL

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Top-Rated Generator install pros in Key Largo - Updated Nov 2026

Avatar for LDD Electrical Services
LDD Electrical Services
5.0(
34
)
Portable Generator - RepairGenerator - Repair - For Business

Serving Key Largo, FL and surrounding areas

Approved

In business since 2022

Free estimates

Offers commercial services

"⭐⭐⭐⭐⭐ David did an amazing job repairing my generator! He showed up, quickly diagnosed the problem, got right to work, and had everything taken care of. He gave me a great price, was professional, and made the whole process easy. I’m very happy to have my generator working again. I definitely recommend David to anyone looking for reliable and honest service!"
Installing set of lights,
Installing set of lights,
Installing set of lights,
Installing set of lights,
Installing electrical pan

+49

16 neighbors recently requested a quote
Recommended by66%of homeowners
Cimas Technologies
4.7(
19
)
Fixed Generator - RepairGenerator - Repair - For Business

Serving Key Largo, FL and surrounding areas

Approved

In business since 2010

Free estimates

Credit card accepted

"They diagnosed the problem we had with our generator just by the description given to them on the phone. We hire them on a regular basis now to do the generator maintenance. They have us on a yearly schedule and up to now we are satisfied with their work and believe me we have had other companies before and you cannot compare, very professional."
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Florida Standby Power Systems
Florida Standby Power Systems
5.0(
2
)
Generator - Repair - For Business

Serving Key Largo, FL and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

"Florida Standby Power Systems is A great company to work with. They are professional and have very high standards. The work they do is done correctly, on time, and professionally. I would recommend them for anyone who has industrial generators that need to be serviced or repaired."
Radiator install
Damaged transfer
Repaired switch
Maintenance
Response time6 hrs
Response rate100%
3 neighbors recently requested a quote
Duque Power Solutions
New to Angi
Portable Generator - InstallPortable Generator - Repair

Serving Key Largo, FL and surrounding areas

Approved

Duque Power Solutions provides electrical services for both residential and commercial customers. We offer discounts when applicable. We stand out for our punctuality, clean workmanship, and strict compliance with electrical codes. Every project is completed with attention to detail and full commitment to safety, quality, and customer satisfaction.

Avatar for Global Power Services
Global Power Services
5.0(
6
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Key Largo, FL and surrounding areas

Free estimates

Emergency services offered

Credit card accepted

"Usually I’m always all over the place when selecting a company and have to do a lot of price comparison, but when coming down to it Angi had an amIng price for the service. I’ve recommended them to family and friends due to their quick servicing and hustle mentality! They’ll get it done and that’s for sure !!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+10

Recommended by83%of homeowners
Advanced Energy
5.0(
9
)
Generator - Repair - For BusinessPortable Generator - InstallPortable Generator - Repair

Serving Key Largo, FL and surrounding areas

In business since 2018

Free estimates

Credit card accepted

"This company is extremely professional and knowledgeable. They fixed my generator and they were so competent and efficient that I recommended them to my neighbors. They really know generators! We will use them for periodic maintenance to make sure that our generator is at top performance especially since we are in a hurricane zone. Absolutely the best!"
Response time3 days
Recommended by100%of homeowners
Avatar for All in electric
All in electric
5.0(
7
)
Portable Generator - Install

Serving Key Largo, FL and surrounding areas

In business since 2022

Free estimates

Warranties offered

"Rafael came with his assistant, removed my old wall mounted TV, then installed my new smart TV. They completed the job to perfection. Very professional team and excellent value for the money!!!"
Response time11 hrs
Recommended by42%of homeowners
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Generator Install FAQs, answered by experts

Energy output depends on turbine size, average wind speed at your site, and system efficiency. A 5 kW turbine in a good wind location can generate 8,000 to 12,000 kilowatt-hours per year, which may cover a large portion of an average home’s needs. Accurate output estimates require a professional wind assessment and a review of your household’s energy usage patterns.

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. 

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.

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. 

The Key Largo, FL homeowners’ guide to generator installs

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