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

Avatar for Mr. Electric of Wichita
Mr. Electric of Wichita
4.3(
62
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Andover, KS and surrounding areas

Approved

In business since 2016

Emergency services offered

Warranties offered

"We had an attic fan that stopped working. The tech who came out explained everything he was doing and testing before actually doing it. We thought we would have to replace the motor, and he was honest about the cost upfront. Luckily it just happened to be a faulty switch. He saved us hundreds of dollars!"
Attic Fan Install
Attic Fan Install
Before Fan Installed
Installing Attic Fan
After Install

+19

Response time5 hrs
4 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Pro-Electrical Service, LLC
Pro-Electrical Service, LLC
4.8(
11
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Andover, KS and surrounding areas

In business since 2002

Free estimates

Emergency services offered

"After discovering that my electric box no longer conformed to the latest city codes, I requested several estimates. I could not have been more pleased with my choice or asked for better electricians than Pro Electric. They were always punctual, efficient, and the quality of their work met the highest standards. They explained the entire process to me at the time they did my estimate and followed through precisely as described. Their expertise became apparent throughout the entire project. Furthermore, not only did they repair my electric box but also they re-finished the dry wall and wood work around it. I had anticipated having to call in other specialists to fix those issues. I will most definitely call them again for any future electrical work that my home may require."
Hotel
Commerical
Commerical
Commerical
Commerical

+15

Response time9 hrs
Recommended by100%of homeowners
Clark handyman service LLC
4.8(
7
)
Portable Generator - Install

Serving Andover, KS and surrounding areas

In business since 2014

Emergency services offered

Warranties offered

"When my mother's health took an unfortunate turn for the worse in the last year due to developing medical issues, the family and I struggled to solve the problem with a bit of DIY trial and error - but quickly realized we were in over our heads! Thankfully, Clark Handyman Services picked up and were happy to help listen and coordinate with me personally to guarantee that our needs were met without fail and assured us that they would be able to meet our goals and have everything accomplished well within the estimated window of completion. The all-weather handicap accessible ramp with attached deck and rails (all treated lumber which was sealed and stained perfectly to match the existing structure) sit neatly in place. It is squared to a "T", stable enough the grandkids can run around without wobbles, and to top it off it all fits snugly against the house without water run off inevitably causing me future worry by penetrating the foundation and basement walls thanks to the gutters and drain spouts they installed before wrapping up the project! THANK YOU for bringing us peace of mind with our mother's mobility, for being safety oriented, kind, courteous, and patient group of professionals who are dedicated to pushing the boundaries for the standard of excellence just a few steps further than I thought possible. Will be using them again this summer and telling my friends! -JB & Family"
Response time40 mins
Response rate95%
Recommended by100%of homeowners
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Generator Install FAQs, answered by experts

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.

An undersized whole-house generator has the potential to overheat and shut down when you try to run a central AC system. This scenario can not only damage the whole-house generator, but can also trip your home’s breakers or cause electrical damage. To avoid this situation, hire a local generator installer to correctly size your whole-house generator.

In some situations, yes. Never try to put biofuel into any home generator without checking the specifics first. If a generator has the ability to run on diesel, it can also run pure biofuel (the clear kind made from seed oils, for example). But if you are using biofuel made from animal fats or vegetable oils, the generator will need significant modifications before it can handle a sludgier type of biofuel.

While standby generators provide essential backup power, they can fail when you need them most due to lack of maintenance, fuel supply issues, dead batteries, electrical problems, or improper installation. To avoid costly failures, professional installation and regular maintenance are crucial. Licensed technicians ensure safety, uphold warranty requirements, comply with regulations, and provide expert servicing.

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 Andover, KS homeowners’ guide to generator installs

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