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    Average homeowner rating
  • Verified reviews icon11
    Verified generator installs reviews

Verified Reviews for Generator Install pros in Streamwood, IL

*The Angi rating for Generator Install companies in Streamwood, IL 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 Streamwood, IL 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 21, 2025

Find Generator install pros in Streamwood

Avatar for LSVG Electrics Inc
LSVG Electrics Inc
4.8(
57
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Streamwood, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"PERFECT / KNOWLEDGEABLE / EFFICIENT / HONEST would be the words I would use to describe LSVG Electrics. I had a circuit in the kitchen that was not getting any power even though the breaker in the main panel wasn't tripped so randomly picked LSVG Electrics for their assistance. Lou came out exactly at the time he said he would and quickly diagnosed the problem to be a burnt wire in a J-box in the basement and repaired it. If you are looking for an electrician that you can have confidence in ... please call LSVG Electrics ... because they know their stuff. I've only called electricians on a handful of occasions but LSVG electrics certainly was the BEST!!! and will use them for any other electrical issues I might encounter ... Highly Recommended ... 5 of 5 stars Regards, Keith K Algonquin IL"
Electrical Project
Electrical Project
Electrical Project
Electrical Project
Electrical Project

+589

Response time7 hrs
Response rate100%
2 neighbors recently requested a quote
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Avatar for Precision Today Plumbing Heating Cooling Electrical
Precision Today Plumbing Heating Cooling Electrical
4.6(
329
)
Fixed Generator - InstallFixed Generator - Repair

Serving Streamwood, IL and surrounding areas

Approved

In business since 1992

Emergency services offered

Warranties offered

"Dean was amazing - Very knowledgeable, detailed and provided excellent customer service. He went above and beyond and did the install same day. Highly recommend!!"
Pipe Coating
Pictures
Pictures
Pictures
Pictures

+13

Response time10 hrs
Response rate100%
37 neighbors recently requested a quote
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Avatar for Your IT Guy
Your IT Guy
4.9(
45
)
Portable Generator - Install

Serving Streamwood, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2002

Free estimates

Warranties offered

"Chuck was great, not only installed a microwave outlet but also the microwave itself. Very satisfied with his work. Will definitely call again or recommend."
Response time6 hrs
21 neighbors recently requested a quote
Recommended by80%of homeowners
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Avatar for Imperial electric
Imperial electric
5.0(
18
)
Fixed Generator - InstallFixed Generator - RepairPortable Generator - Install

Serving Streamwood, IL and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"The service guy came out very quickly. Had a smart thermostat installed. He walked me through setting up the app. Did a fast and a great job. I highly recommend this company if you want it done and done right."
132 neighbors recently requested a quote
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Avatar for Four Seasons Heating & Air Conditioning
Four Seasons Heating & Air Conditioning
4.3(
3,286
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Streamwood, IL and surrounding areas

Approved (Corporate)

In business since 1971

Free estimates

Emergency services offered

"Four Season service was awesome. The installers were friendly, professional, and knowledgeable. The installers cleaned up work area after they finished the job."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Response time9 hrs
25 neighbors recently requested a quote
Recommended by87%of homeowners
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Avatar for Expert Electric, LLC
Expert Electric, LLC
5.0(
15
)
Portable Generator - Install

Serving Streamwood, IL and surrounding areas

Approved

In business since 2020

Emergency services offered

Warranties offered

"Anthony was professional, pleasant and picked up after finishing the installation, I will recommend him to anyone who asks for an excellent electrician! He is amazing and finished the job quickly! 5 Stars!!!"
Kitchen remodel
Kitchen remodel
Kitchen remodel
Ev charger installation
Panel replacement

+3

Response time9 hrs
Response rate100%
Recommended by80%of homeowners
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Avatar for Smart Electric
Smart Electric
4.7(
34
)
Fixed Generator - Install

Serving Streamwood, IL and surrounding areas

Approved

In business since 2013

Free estimates

Customers say: Quality work

"Carlo was very professional. He did an excellent job installing two bathroom exhaust fans. I would definitely hire him again."
Response time10 hrs
Response rate92%
Recommended by96%of homeowners
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Avatar for Gold Shield Services, Inc.
Gold Shield Services, Inc.
4.9(
23
)
Fixed Generator - InstallFixed Generator - Repair

Serving Streamwood, IL and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"Damian installed 6 can lights, was on time, professional, explained everything and cleaned up well."
New meter box
Siemens Panel
Riser
New panel
New grounding

+3

Response time4 hrs
Response rate92%
42 neighbors recently requested a quote
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Avatar for Priority Electric Solutions LLC
Priority Electric Solutions LLC
5.0(
4
)
Fixed Generator - Install

Serving Streamwood, IL and surrounding areas

Approved

Free estimates

Emergency services offered

Credit card accepted

"We recently had Priority Electric Solutions complete a panel upgrade at our home, and the experience was outstanding from start to finish. The electricians were professional, knowledgeable, and took the time to explain everything clearly before beginning the work. The installation was clean, organized, and completed on schedule. They made sure everything was up to code, answered all of our questions, and left the work area spotless when they were finished. It’s hard to find contractors who truly care about quality and customer service, but Priority Electric Solutions exceeded our expectations. If you’re looking for a reliable electrician, I highly recommend Priority Electric Solutions. Excellent service and workmanship!"
4 neighbors recently requested a quote
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Generator Install questions, answered by experts

No, you should never plug a generator directly into a wall outlet in your house. This practice is extremely dangerous, often illegal, and can cause "back-feeding," where power from the generator flows back into utility lines, creating a life-threatening hazard for utility workers. It can also damage your home's electrical system, including appliances like pumps and HVAC fans. If the main power is restored while the generator is connected, it can destroy the generator and cause an electrical fire. To safely connect a generator, you must use a professionally installed transfer switch or an interlocking kit, which prevents back-feeding by disconnecting your home from the utility grid before the generator provides power.

Generators are usually sized by running watts and starting watts. Ideally, you’ll want a generator that can offer both the necessary running watts and starting watts for everything you need to power without going beyond 90% of its capacity. Calculate your home’s electrical load based on the breakers in your home or adding up the appliance and lighting needs of connected rooms.

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. 

Portable generators provide backup power for essential appliances during outages and are easy to relocate.

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 Streamwood, IL homeowners’ guide to generator installs

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

See all articles