Get matched with top generator install pros in Rancho Cucamonga, CA

Q: Do I really need a generator transfer switch?

• <div><p>Yes, in some locations, it is required by the National Electric Code (NEC) to have a transfer switch installed for <a href="https://www.angi.com/articles/what-is-an-electrical-emergency.htm">electrical emergencies</a>. In addition to following electrical code, generator transfer switches ensure your home is fully protected during a power outage. By switching the power from the main breaker to the generator breaker, you can seamlessly operate your HVAC, lights, appliances, devices, and more during an emergency. </p></div>

Q: How big of a generator do I need for a transfer switch?

• <div><p>You can determine what size generator you need for a transfer switch by matching the switch to the largest outlet on your generator. Larger generators can power up to 10 circuits, while most 5,000-watt generators can provide power to six circuits. So, if your generator&rsquo;s largest outlet is 30 amps, you&rsquo;ll need a 30-amp transfer switch.</p></div>

Q: What is a remote start generator?

• <div><p>These advanced generators use a key fob or a smartphone app to remotely start, which is ideal for getting power back on immediately without venturing outside. This feature is more common on whole home generators, but you may be able to find it on large portable generators, too.</p></div>

Q: How much does it cost to install a generator?

• <div><p>The average cost to install a home generator is $5,200, but total costs can range from $500 to $18,000 or more. The final price depends on several factors, including the generator's size, type, brand, fuel source, and the cost of labor and assembly. The generator's size is the most significant cost factor, as units that can power larger homes with higher energy demands cost more.</p><p>Cost breakdowns by generator type are typically as follows:</p><ul><li><p><b>Portable or Emergency Backup Generators (1kW&ndash;7.5kW):</b> $500&ndash;$2,000</p></li><li><p><b>Partial-Home Generators (9kW&ndash;20kW):</b> $2,000&ndash;$6,500</p></li><li><p><b>Whole-House Generators (22kW&ndash;48kW):</b> $5,000&ndash;$18,000</p></li></ul><p>To ensure you get the right size unit for your needs without overpaying, consider hiring an electrician to calculate the electrical load of your essential appliances. It is also recommended to get at least three quotes from qualified installers to find the best fit for your budget.</p></div>

Q: Do I need a permit to install a home generator?

• <div><p>Yes, in most municipalities, you will need a permit to install a permanent home generator, including emergency backup, partial-home, and whole-home models. Because these installations involve significant alterations to your home's electrical system and produce exhaust fumes, local governments often require a permit or inspection for safety purposes. A generator permit typically costs between $50 and $250, depending on your location. Your electrician or certified installer can usually handle the permitting process for you, but you will be responsible for the cost. It's a good practice to confirm with your installer that they will pull all necessary permits before work begins.</p></div>

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Verified Reviews for Generator Install pros in Rancho Cucamonga, CA

*The Angi rating for Generator Install companies in Rancho Cucamonga, CA 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 Rancho Cucamonga, CA 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 April 18, 2026

Reviewed in April 2026
Sparky Pro Electric installed a car charger and extra plugs for my new car. Erik was very professional with the quote and install, very professional with his work and left the area looking clean. Definitely will recommend him to anyone with electrical needs.
Sparky Pro Electric LLC
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Reviewed in December 2024
Acero did an amazing job at installing our gratbe door! We have had no issues since his install! we would hire him again ! I highly recommend him to family and friends!
ACERO ELECTRIC
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Reviewed in March 2024
Felix did a great job installing our charging station for a Tesla.
Felix Lopez
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Reviewed in August 2023
I needed to install an outlet for my Tesla and Rene was super helpful. He did a free consultation same night and then came back next morning to install everything. He went above and beyond and did everything great! Would recommend.
Tryon Electric
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Reviewed in August 2023
Everyone was excellent to work with, from the salesman who answered all my questions to the inside office staff who scheduled my installation appointment to the installers who helped us get the garage door openers programmed.
Imperial Garage Door & Gates, Inc.
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Reviewed in June 2023
I would recommend this company for their knowledge, customer service, and speed of installation. After all the paperwork was done and we gave the green light to move ahead with the installation, everything was completed within a few weeks. The installers were polite, worked well, quick, and...
D.B. Kitchen & Bath Cabinets, Inc.
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Reviewed in March 2023
Installed new front door Juan the installer did a great job in detail would recommend .
iLLUMi-SOL Construction Services Corp.
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Reviewed in January 2023
Called around and found out about Chris from a neighbor. His price was much better than any contractor I called around the area. He was able to come within 3 days of contacting him and he had the installation done within an hour. In addition to this Chris was very professional and easy to work...
Flo-Electric
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Reviewed in November 2022
Installer was very clean and thorough. Customer service was excellent.
Shutter Effex
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Reviewed in July 2022
Jonathan and the installation team led by Abel were very professional and the quality of their work was excellent. I couldn't have asked for a better installation.
Green R Turf Inc
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Find Generator install pros in Rancho Cucamonga

Casaroja Electric Inc

5.0(

)

Fixed Generator - InstallPortable Generator - Install

Serving Rancho Cucamonga, CA and surrounding areas

Approved

Emergency services offered

Warranties offered

Offers commercial services

"Sergio did a fantastic job! Very happy with the clean install of my tier 2 charger and he added a plug down below my panel. Would recommend for any sort of EV charging installs! Clear communicator, showed up when he said he would and his services were well-priced!"

1 neighbors recently requested a quote

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Quality Electric Corp

5.0(

)

Fixed Generator - Install

Serving Rancho Cucamonga, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Free estimates

Credit card accepted

"I needed a fan installed in my garage and Quinn came and installed my fan. He also changed out some plugs that were bad. He did a great job and I would definitely call Quality Electric again."

Response time3 hrs

Response rate97%

1 neighbors recently requested a quote

Fixed Generator - InstallGenerator - InstallGenerator - Install - For Business+1 more

Serving Rancho Cucamonga, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Credit card accepted

"My experience with Zero Electric was great! James was extremely knowledgeable about home generators and walked us through several pricing options that fit our budget. Their work was clean and efficient and I will definitely be hiring him in the future for our electrical issues."

6 neighbors recently requested a quote

Recommended by41%of homeowners

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Solar Service Professionals, Inc.

4.9(

)

Fixed Generator - RepairGenerator - Repair - For Business

Serving Rancho Cucamonga, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2017

Free estimates

Emergency services offered

"The installation Tech was very thorough and kept me informed while working at my house. Friendly and knowledgeable."

Solar Panel Re-install After Roof Repair

+298

1 neighbors recently requested a quote

Recommended by67%of homeowners

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Direct Electric Company

4.6(

151

)

Fixed Generator - InstallGenerator - Install

Serving Rancho Cucamonga, CA and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Very satisfied! From talking to Mngr Rick getting info to the installers Josh R & Sorry Polite; helpful; cleaned up; knowledgeable. Would highly recommend."

Pendants and small chandelier installation

Recessed can lighting and ceiling fan installation

+13

Response time12 hrs

Response rate100%

5 neighbors recently requested a quote

Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Rancho Cucamonga, CA and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"The electricians installed two outlets and one LED light fixture in a very professional manner. They provided good advice and suggested that I consider rejunvenating my electrical panel as my home is now 26 years old without pressuring me to have it done immediately. I will definitely consider Trout Electric when I decide to have it done."

Recommended by88%of homeowners

Portable Generator - InstallPortable Generator - Repair

Serving Rancho Cucamonga, CA and surrounding areas

Approved

In business since 2009

Free estimates

Credit card accepted

"Ricardo is the best electrician I?ve ever hired. Was very professional and friendly to talk to. Honest pricing for a meter panel upgrade. Did what he said he was going to. Also checked out some lighting fixtures I wanted to get installed in my home as I?ve had several quotes and they were just outrageously priced but he gave me the best price out of 6 electricians! Will definitely hire Rick for all my future electrical needs!!"

Response time10 hrs

4 neighbors recently requested a quote

Recommended by45%of homeowners

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McKee Electrical Contracting

5.0(

)

Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Rancho Cucamonga, CA and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"They are knowledgeable and installed the car charging station in my garage. I had compared with other companies who seemed to be cutting corners, and I felt McKee was doing things the right way so I chose them. His communication was good, he was on time, and followed through on what he said he would do. Good, clean, and professional. I intend to have him back out for my next electrical project."

Response time20 mins

Recommended by100%of homeowners

Portable Generator - Install

Serving Rancho Cucamonga, CA and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"Oscar was excellent he listened to our needs and asked questions to insure that the job was done correctly. Very personable and polite. I would highly recommend him."

Response time4 hrs

Response rate94%

Recommended by87%of homeowners

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Home Pro Remodeling & Construction, Inc.

4.1(

)

Portable Generator - Repair

Serving Rancho Cucamonga, CA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"I hired home pro remodeling to put pavers on my back yard and to install flloring thorough out the whole house I'm super setasfied with the work and the service . The company also provided me great financial options which I used thank you kobi Leo and Lucas for your great service . Highly recommend them for everyone"

Response time5 days

Recommended by77%of homeowners

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Showing 1-10 of 178

Generator Install questions, answered by experts

Yes, in some locations, it is required by the National Electric Code (NEC) to have a transfer switch installed for electrical emergencies. In addition to following electrical code, generator transfer switches ensure your home is fully protected during a power outage. By switching the power from the main breaker to the generator breaker, you can seamlessly operate your HVAC, lights, appliances, devices, and more during an emergency.

You can determine what size generator you need for a transfer switch by matching the switch to the largest outlet on your generator. Larger generators can power up to 10 circuits, while most 5,000-watt generators can provide power to six circuits. So, if your generator’s largest outlet is 30 amps, you’ll need a 30-amp transfer switch.

These advanced generators use a key fob or a smartphone app to remotely start, which is ideal for getting power back on immediately without venturing outside. This feature is more common on whole home generators, but you may be able to find it on large portable generators, too.

The average cost to install a home generator is $5,200, but total costs can range from $500 to $18,000 or more. The final price depends on several factors, including the generator's size, type, brand, fuel source, and the cost of labor and assembly. The generator's size is the most significant cost factor, as units that can power larger homes with higher energy demands cost more.

Cost breakdowns by generator type are typically as follows:

Portable or Emergency Backup Generators (1kW–7.5kW): $500–$2,000
Partial-Home Generators (9kW–20kW): $2,000–$6,500
Whole-House Generators (22kW–48kW): $5,000–$18,000

To ensure you get the right size unit for your needs without overpaying, consider hiring an electrician to calculate the electrical load of your essential appliances. It is also recommended to get at least three quotes from qualified installers to find the best fit for your budget.

Yes, in most municipalities, you will need a permit to install a permanent home generator, including emergency backup, partial-home, and whole-home models. Because these installations involve significant alterations to your home's electrical system and produce exhaust fumes, local governments often require a permit or inspection for safety purposes. A generator permit typically costs between $50 and $250, depending on your location. Your electrician or certified installer can usually handle the permitting process for you, but you will be responsible for the cost. It's a good practice to confirm with your installer that they will pull all necessary permits before work begins.

The Rancho Cucamonga, CA homeowners’ guide to generator installs

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

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