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Verified Reviews for Generator Install pros in Brooklyn, IA

*The Angi rating for Generator Install companies in Brooklyn, IA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.

*The HomeAdvisor rating for Generator Install companies in Brooklyn, IA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.

Last update on May 27, 2026

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Avatar for Custom Electrical Services, LLC
Custom Electrical Services, LLC
4.5(
95
)
Fixed Generator - Install

Serving Brooklyn, IA and surrounding areas

Approved

In business since 2005

Emergency services offered

Warranties offered

"For any future electrical needs, I will definitely call the same company. I could not ask for better service."
Ceiling fan and cans
Commercial Service
Electric garage heater.
LED lighting Commercial
Generator Installation

+33

Response time12 hrs
Response rate88%
Recommended by91%of homeowners
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Avatar for WireOne
WireOne
4.2(
118
)
Fixed Generator - InstallPortable Generator - Install

Serving Brooklyn, IA and surrounding areas

Approved

In business since 2010

Credit card accepted

Customers say: Quality work

"Lane is a great technician! Very knowledgeable, friendly and courteous. Explained pricing options clearly and with no pressure. I would definitely request him for any future projects in my home."
Wireone Work
Wireone Work
Wireone Work
Wireone Work
Wireone Work

+5

Response time11 hrs
31 neighbors recently requested a quote
Recommended by94%of homeowners
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Avatar for Jenson Electric, LLC.
Jenson Electric, LLC.
4.4(
7
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Brooklyn, IA and surrounding areas

In business since 2015

Free estimates

Emergency services offered

Jenson Electric is a full-service electrical contractor providing versatile solutions across residential, commercial, industrial, and telecommunications sectors. Based in Johnston, IA, we design, install, and maintain electrical systems that power people, facilities, and networks?safely, efficiently, and with minimal disruption. Our team combines ~licensed electricians, project managers, and field engineers~ to deliver projects on time, on budget, and in full compliance with applicable codes. We prioritize safety, quality, and minimal disruption to occupants and operations.\n

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Avatar for Cannon Solar
Cannon Solar
New to Angi
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+1 more

Serving Brooklyn, IA and surrounding areas

In business since 2023

Free estimates

Credit card accepted

is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.\n

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Generator Install questions, answered by experts

Here’s what you can run with different wattages and types of generators:

Portable generator:

  • 2,000 watts can handle a large appliance like a freezer or refrigerator, plus a few smaller items like phones or computer chargers. 

  • 4,000 watts will keep two large appliances operating and a few smaller devices.

  • 8,000 watts should power most essential appliances and other devices, including a sump pump, well pump, or your dishwasher.

Partial to whole-house generator:

  • 20,000 watts and above will make it seem like your home’s power is still on.

With proper maintenance, a whole-house generator can last between 20 and 40 years. The specific lifespan depends on how often and for how long the generator is used, and some models may have their life expectancy rated in hours of operation. To maximize its lifespan, expect to spend around $150 to $300 per year for annual maintenance checks from a qualified technician. During these checks, a technician will inspect the engine filter, starting mechanism, fuel, lubrication, and coolant levels. Consulting your installer and choosing a low-impact fuel like natural gas or diesel can also help ensure your generator lasts as long as possible.

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.

While the rating will tell you how many watts the refrigerator needs at the peak of its cycle, it requires additional wattage to start. At the bare minimum, you’ll need a 1,500-watt generator to get the fridge up and running after a blackout. A 2,000-watt generator should be sufficient for most home refrigerators.

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.

The Brooklyn, IA homeowners’ guide to generator installs

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

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