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Avatar for Cardinal Heating & Air Conditioning
Cardinal Heating & Air Conditioning
4.8(
164
)
Fixed Generator - InstallFixed Generator - Repair

Serving Windsor, WI and surrounding areas

Approved

In business since 1984

Free estimates

Emergency services offered

"I purchased a new HVAC system from Cardinal. Everything about the job went as planned, in the amount of time we were promised. The installers were professional and cleaned up the work space very well when they were finished. I would use Cardinal again without hesitation."
95 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for PRECISION POWER & ELECTRIC LLC
PRECISION POWER & ELECTRIC LLC
5.0(
9
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Windsor, 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 time11 hrs
Response rate95%
9 neighbors recently requested a quote
Avatar for Unstoppable Electric LLC
Unstoppable Electric LLC
5.0(
7
)
Fixed Generator - InstallFixed Generator - Repair

Serving Windsor, WI and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Max was excellent to deal with and very flexible. The work required replacement of four flourescent lights, an outdoor spot light and dealing with several electrical outlets. The cost of the work was reasonable and Max completed the work in a minimum amount of time. Great job!"
6 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 Windsor, 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
10 neighbors recently requested a quote
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Generator Install questions, answered by experts

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

Most homeowners won't be able to claim a home generator as a tax write-off. However, a whole-house generator may be tax-deductible in certain situations depending on its purpose. For instance, if it's needed to power essential medical equipment, it may qualify as a medical expense deduction. Also, in some cases, businesses can deduct a generator as a business expense if it supports operations. Always consult a tax professional to determine eligibility based on your specific circumstances and the applicable IRS regulations.

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.

Yes, natural gas generators can work without electricity. Natural gas generators are a common type of backup or whole-house generator that operates when the electrical grid isn’t working. The trick is using a transfer switch (which usually needs to be installed with the generator) that safely switches the home electrical system from the power grid to generator power when needed.

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 Windsor, WI homeowners’ guide to generator installs

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