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

Avatar for Wisconsin Generators LLC
Wisconsin Generators LLC
5.0(
10
)
Fixed Generator - InstallGenerator - Install - For Business

Serving Edgerton, WI and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"I cannot say enough great things about Jamie and the team at Wisconsin Generators LLC. From the very first conversation, Jamie was professional, knowledgeable, and incredibly responsive. He took the time to walk me through all my options, answered every question thoroughly, and made sure I felt confident in the decision we were making. The installation process was seamless. The crew showed up on time, worked efficiently, and treated our property with respect. Their attention to detail and commitment to doing the job right was obvious from start to finish. Everything was clean, organized, and completed exactly as promised. What really sets Jamie apart is his integrity and customer-first approach. There was no pressure just honest recommendations and clear communication. If you’re considering a standby generator, I highly recommend Jamie and Wisconsin Generators LLC. Reliable service, expert installation, and true peace of mind. Five stars all The way!!"
Whole house back up
Installation Trailer
New propane generator
Partial home backup
Partial home backup

+1

24 neighbors recently requested a quote
Avatar for Cardinal Heating & Air Conditioning
Cardinal Heating & Air Conditioning
4.8(
165
)
Fixed Generator - InstallFixed Generator - Repair

Serving Edgerton, WI and surrounding areas

Approved

In business since 1984

Free estimates

Emergency services offered

"Everything went very well. Our service technician, Brandon Acker, explained everything clearly and answered all our questions. He came prepared and had everything he needed for for the job. He had the system installed and everything cleaned up in under 2 hours. He was very professional, friendly and courteous. We consider him an excellent asset to Cardinal Heating and air conditioning."
Cardinal Heating Air
Cardinal Heating Air
Cardinal Heating Air
Cardinal Heating Air
Cardinal Heating Air

+14

121 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for PRECISION POWER & ELECTRIC LLC
PRECISION POWER & ELECTRIC LLC
5.0(
10
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Edgerton, WI and surrounding areas

Approved

In business since 2024

Free estimates

Warranties offered

"Hunter did everything in a very timely and thorough manner. He was very easy to work with. His work was top notch. He kept us updated on the project and finished it much faster than we thought it could be ton. Hunter is an extremely professional young man and I highly recommend him. If I need any electrical work done in the future my first call will be to Hunter."
Added cabinet lighting
Added cabinet lighting
Added cabinet lighting
Commercial work
Commercial work

+8

Response time4 hrs
Response rate100%
2 neighbors recently requested a quote
Avatar for All Comfort Services
All Comfort Services
5.0(
6
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Edgerton, WI and surrounding areas

Approved

In business since 1973

Free estimates

Emergency services offered

All Comfort Services is a 50+ year old employee-owned heating, cooling, plumbing, and electrical contractor serving residential and commercial customers in Dane and parts of Rock, Columbia, and Jefferson counties. We may need to confirm a specific zip code that we service. Our team understands that when you call a local electrician, you need a trained, certified, and insured professional who will arrive on time and be ready to provide the solutions you need. Our repair dispatch fee is $149.

Generator
Generator
Panel Installation
Service Upgrade
Avatar for Ls industrial repair
Ls industrial repair
5.0(
2
)
Portable Generator - Repair

Serving Edgerton, WI and surrounding areas

Approved

Free estimates

Small jobs welcome

Credit card accepted

"He showed up in a timely manner. He did the job quickly. There was a shorted wire that he had to re-run and pull through the existing pipe. So far it's all working great and has not needed to return. So far everything working great."
Avatar for Amg Power
Amg Power
New to Angi
Portable Generator - Repair

Serving Edgerton, WI and surrounding areas

Approved

Emergency services offered

Small jobs welcome

Credit card accepted

AMG Power delivers expert residential electrical services backed by 25+ years of experience from our roots in Trak Electric. From panel upgrades and lighting to troubleshooting and remodels, we provide safe, reliable, and high-quality work you can trust.

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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.

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. 

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.

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

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.

The Edgerton, WI homeowners’ guide to generator installs

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