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Avatar for LT Generators
LT Generators
4.3(
82
)
Fixed Generator - InstallGenerator - Install - For Business

Serving La Puente, CA and surrounding areas

Approved

In business since 1995

Free estimates

Warranties offered

"I recently had a whole-house generator installed by Nick and his crew. I must say it was a pleasure dealing with this company, from the office staff to the installers. Everyone was so accommodating and mindful of my concerns and requests. The parts and tools they brought took up half of my back yard but at completion of the job, which took a full day, everything was removed and all my planters and other things were put back as before. A very seamless operation indeed. I would not hesitate to recommend LT generators."
22kw Generac Natural Gas Generator
27kw Generac Natural Gas Generator
Kohler Liquid Cooled
27kw Generac Natural Gas Generator
Kohler Air Cooled 20kW

+12

24 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Casaroja Electric Inc
Casaroja Electric Inc
5.0(
19
)
Fixed Generator - InstallPortable Generator - Install

Serving La Puente, 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!"
Panel upgrade
Panel upgrade
Panel upgrade
Panel upgrade
Panel upgrade

+1

5 neighbors recently requested a quote
Avatar for ZERO ELECTRIC
ZERO ELECTRIC
4.9(
10
)
Fixed Generator - InstallGenerator - InstallGenerator - Install - For Business+1 more

Serving La Puente, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Credit card accepted

"Highly Recommended! We have hired Zero Electric to do several jobs at our apartment complex including installing a generator, EV chargers, new panel, and even installing recessed lighting in the units. They handled all aspects of the projects and had top notch communication throughout. The team has always been quick and professional. We will continue using Zero Electric for our electrical needs."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+1

1 neighbors recently requested a quote
Recommended by70%of homeowners
Trout Electric
4.3(
20
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving La Puente, 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
Avatar for M.D.H. Builders/Design/Development
M.D.H. Builders/Design/Development
5.0(
7
)
Fixed Generator - InstallGenerator - Install - For Business

Serving La Puente, CA and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"Everyone I dealt with was a delight. Competent, on time and efficient. While the true test of a new roof won’t be know until it rains, at the moment, I’m completely satisfied with the work that was done."
New Build
New Build
New Build
New Build
New Build

+32

Response time2 days
Response rate88%
102 neighbors recently requested a quote
Home Pro Remodeling & Construction, Inc.
4.1(
31
)
Portable Generator - Repair

Serving La Puente, 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 203
Generator Install questions, answered by experts

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.

A 1,500 square foot home will likely need a 15kW to 20kW generator. When deciding on whole-house generator size, add up the total wattage of the devices that you’d like to continue running during a power outage. That way, you can ensure you purchase a generator that can power your necessary appliances or medical equipment during an electrical emergency.

A 10,000-watt generator can run a small to mid-sized central AC unit (typically up to 3 tons or 36,000 BTU) along with a few other appliances. However, larger AC units or additional loads will require a bigger generator. Consult a local generator installer to ensure you add the correct size generator to your home.

The cost to install a whole-house generator averages $5,200, with a typical price range of $1,500 to $8,900. However, total costs can vary from $400 for a small portable unit to over $18,000 for a large-capacity system. The most significant cost factor is the generator's size and capacity, but other variables include the brand, fuel type, and labor for assembly and installation.

Generator costs can be broken down by type:

  • Portable or Emergency Backup Generators (1kW–7.5kW): $500 to $2,000

  • Partial-Home Generators (9kW–20kW): $2,000 to $6,500

  • Whole-House Generators (22kW–48kW): $5,000 to $18,000

To avoid paying for more power than you need, consider hiring an electrician to calculate the electrical load for your essential appliances. It is also recommended to get at least three quotes to find the best deal for your specific needs and budget.

Yes, natural gas generators can work without electricity. Natural gas generators are a common type of backup or whole-house generator that operates when the electrical grid isn’t working. The trick is using a transfer switch (which usually needs to be installed with the generator) that safely switches the home electrical system from the power grid to generator power when needed.

The La Puente, CA homeowners’ guide to generator installs

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