*The Angi rating for Generator Install companies in Chicago, 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 Chicago, 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 October 02, 2025
Full service Electrical contractor we accept Visa Master Card.
Full service Electrical contractor we accept Visa Master Card.
We are a family owned and operated electrical contracting business. We strive to provide you with excellent service at a fair price. Please visit our web page at www.fveci.com for additional information and our current specials.
We are a family owned and operated electrical contracting business. We strive to provide you with excellent service at a fair price. Please visit our web page at www.fveci.com for additional information and our current specials.
Family owned and operated business. licensed in the State of Illinois. services include: Home entertainment system setup Intercom systems. Class A and Class B fire alarm. Home security Troubleshooting. Appliance circuits, Code corrections. Ceiling and attic fans. Exhaust fans, Computer/phone/cable TV/audio wiring. Simple green-build electrical enhancements.
Family owned and operated business. licensed in the State of Illinois. services include: Home entertainment system setup Intercom systems. Class A and Class B fire alarm. Home security Troubleshooting. Appliance circuits, Code corrections. Ceiling and attic fans. Exhaust fans, Computer/phone/cable TV/audio wiring. Simple green-build electrical enhancements.
Kingsley Electrical Group is family owned and family ran business. We do our best to provide our customers with the best electrical services that they deserve. We treat your your project as it were our own. If we wont do it in our house, we wont do it for you. We cut no corners, and everything we do is done per national electrical codes, county codes, and township codes
Kingsley Electrical Group is family owned and family ran business. We do our best to provide our customers with the best electrical services that they deserve. We treat your your project as it were our own. If we wont do it in our house, we wont do it for you. We cut no corners, and everything we do is done per national electrical codes, county codes, and township codes
Small family business providing all plumbing services for nearly 40 years. Large fully stocked and lettered trucks with many sewer cleaning options.
"The tech showed up exactly on time and replaced the water cooler within an hour. Very professional and clean!"
Covenant O on February 2019
Small family business providing all plumbing services for nearly 40 years. Large fully stocked and lettered trucks with many sewer cleaning options.
"The tech showed up exactly on time and replaced the water cooler within an hour. Very professional and clean!"
Covenant O on February 2019
Family Owned and Operated . We Specialize in Heating and Cooling , Electrical , plumbing , Carpentry No job to Big or Small
Family Owned and Operated . We Specialize in Heating and Cooling , Electrical , plumbing , Carpentry No job to Big or Small
TG Electric Avenue Inc. is on the market since 2001. We are an Electrical Contractors who guarantees best quality. Licenced, bonded & insured Residential & Commercial Free estimates!!!
TG Electric Avenue Inc. is on the market since 2001. We are an Electrical Contractors who guarantees best quality. Licenced, bonded & insured Residential & Commercial Free estimates!!!
Residential & Commercial Electrical - we offer special rates to police and fire personnel as well as local governments. We are flexible with billing and scheduling and will try hard to work with anyone under most circumstances.
Residential & Commercial Electrical - we offer special rates to police and fire personnel as well as local governments. We are flexible with billing and scheduling and will try hard to work with anyone under most circumstances.
Hunsicker Electrical serves the greater NW Chicagoland area for all your electrical needs. Whether it's residential, commercial, or industrial we will get your job done efficiently and on budget. We offer free estimates, upfront pricing, clean jobsites, clean and honest workmen, as well as multiple discounts including: police, fire dept., military and senior citizen. We are licensed, bonded, and insured for your safety as well as our own. Do not fall for the handyman I can do that for you routine. When it comes to electricity and your property, hire a licensed professional. At Hunsicker Electrical we take electricity seriously...and ALL our work is guaranteed!
Hunsicker Electrical serves the greater NW Chicagoland area for all your electrical needs. Whether it's residential, commercial, or industrial we will get your job done efficiently and on budget. We offer free estimates, upfront pricing, clean jobsites, clean and honest workmen, as well as multiple discounts including: police, fire dept., military and senior citizen. We are licensed, bonded, and insured for your safety as well as our own. Do not fall for the handyman I can do that for you routine. When it comes to electricity and your property, hire a licensed professional. At Hunsicker Electrical we take electricity seriously...and ALL our work is guaranteed!
Family owned with 15 years of professional experience. Cash, Check, and Credit Accepted*
Family owned with 15 years of professional experience. Cash, Check, and Credit Accepted*
When maintained properly, a whole-house generator can last up to 20 years. Costs to maintain and repair generators vary by location and type of generator, but you can expect to pay about $150 to $300 per year for annual generator maintenance checks. An experienced generator service technician will inspect your generator’s engine filter, starting mechanism, fuel, lubrication, and coolant levels to keep your generator in good working condition for as long as possible.
Installing a whole-house generator costs about $5,000 on average. Prices range from $1,550 to $8,500, depending on size, brand, fuel type, and assembly. The size of your whole-house generator is the most significant cost factor, with large homes with high energy demands costing the most to power. Types of whole-home generators include:
Portable generators with 1kW–7.5kW capacity: $500–$2,000
Partial generators with 9kW–20kW capacity: $2,000–$6,300
Whole-house generators with 22kW–48kW: $5,000–$18,000
When choosing the right size generator for your needs, consider a few items to help calculate the wattage you’ll need. Start by determining which household items and appliances you want to power, and then add the wattages together. Check out the wattage of these essential appliances:
Refrigerator: 600 watts
Large dehumidifier: 700 watts
Large window air conditioner: 1,400 watts
Water heater: 3,000 watts
Running home appliances like these requires a partial or whole-house generator. A portable generator may be enough to power your home if you only plan to keep a refrigerator and freezer running.
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.
The value of installing a whole-house generator is that your home has guaranteed power, even if the power grid in your area is down. Whether a whole-house generator is worth installing in your home depends on how often you use it, your home’s location, and your lifestyle. For example, installing a whole-house generator is likely worth it if you:
Experience frequent or prolonged power outages
Work from home
Store a lot of cold food
Have a sump pump
Have a pump for well water
Use electronic medical devices
Live in a climate requiring heating or cooling
From average costs to expert advice, get all the answers you need to get your job done.
The cost to install a generator transfer switch depends on several factors. Our guide will help you understand all of the costs.
Keeping on top of generator maintenance and repairs gives you extra peace of mind as a homeowner. Find out how much regular generator maintenance costs.
The average cost of a whole-house generator falls between $5,000 and $25,000. Keep reading to learn how much you can expect to spend.
Wondering who to hire to install a generator? Consult this guide to learn who to hire to install a generator or a transfer switch.
Natural gas generators can tap into existing gas lines so they never run out of fuel. Here’s how they work and how they’re used.
Whole house generators are a power alternative that can deal with frequent blackouts and other problems. Here’s how they function.
