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  • Verified reviews icon18
    Verified generator installs reviews

Top-Rated Generator install pros in Haverhill - Updated Nov 2026

Avatar for Mister Sparky of Pompano Beach
Mister Sparky of Pompano Beach
4.1(
1,325
)
Portable Generator - InstallPortable Generator - Repair

Serving Haverhill, FL and surrounding areas

Approved

In business since 1996

Emergency services offered

Warranties offered

"Kent of Mr. Sparky arrived right on time and was so helpful. We are new to the whole generator realm and needed an outlet installed to be able to run our portable generator if power went out so that our well pump would work. Kent walked around the house with me and made suggestions on how we could go about making this connection. He then discovered that we already had the outlet installed. (Thanks to my builder's far sightedness) He then walked me through the whole connection process, how and what breakers to shut off or turn on and how it would all work. I was only charged for a visit and Kent shared his number with me if we had any questions. He did all of this in a friendly and professional manner and on the day before Hurricane Milton was to hit the west coast. Thank you Kent and Thank you Mr. Sparky, you are on my speed dial list now!! The Nowlan's, West Palm Beach"
Fans to Panel replacements
We explain all repairs clearly
Outlet checked and replaced
Background checked & drug free
Our Big Red Trucks

+22

615 neighbors recently requested a quote
Recommended by85%of homeowners
KPB SERVICES COMPANY INTERNATIONAL INC.
5.0(
5
)
Fixed Generator - Install

Serving Haverhill, FL and surrounding areas

Approved

In business since 2011

Free estimates

Credit card accepted

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Call Today!

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+3

Response time8 hrs
Response rate97%
17 neighbors recently requested a quote
Avatar for Mr. Electric of West Palm
Mr. Electric of West Palm
4.7(
14
)
Portable Generator - Install

Serving Haverhill, FL and surrounding areas

Approved

In business since 2023

Emergency services offered

Small jobs welcome

"I was very satisfied with the work and would highly recommend Mr. Electric for any electrical projects or repairs that you may need. Michael showed up on time and was very professional. He explained the work very well and gave us a lot of safety tips. We will continue to use Mr. Electric for future electrical projects."
Residential Car Charger
New main panels
New Outside Meter & Main Disconnect
Residential Light Fixture
Residential Light Fixture

+2

Response time7 hrs
Response rate100%
Recommended by90%of homeowners
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Generator Install FAQs, answered by experts

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.

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

Yes. You can connect your home back-up battery to a generator with its designated charger. Be sure that the output of the generator matches the input requirements for the battery for best results.

Natural gas generators are designed to run for extended periods of time, such as power outages during a natural disaster. Since there’s no limit to the supply of natural gas, they don’t need to stop for refills. However, generators do need maintenance, including pauses to check and add oil. Constantly running them will also cause a lot more wear and tear, leading to a shorter lifespan.

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 Haverhill, FL homeowners’ guide to generator installs

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