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Find Generator install pros in Streamwood

Avatar for Your IT Guy
Your IT Guy
4.7(
47
)
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
8 neighbors recently requested a quote
Recommended by78%of homeowners
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
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!"
3 neighbors recently requested a quote
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Generator Install questions, answered by experts

Costs depend on generator type, labor, and additional wiring or transfer switch requirements.

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.

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

You may need a permit for a portable generator if you’ll be installing a transfer switch for your primary residence or similar work. Otherwise, a permit for other uses may not be necessary. Check your local building codes or ask a local generator installer for more information about your local regulations.

Yes. You can connect your home back-up battery to a generator with its designated charger. Be sure that the output of the generator matches the input requirements for the battery for best results.

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.