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Avatar for LT Generators
LT Generators
4.3(
83
)
Fixed Generator - InstallGenerator - Install - For Business

Serving Walnut, CA and surrounding areas

Approved

In business since 1995

Free estimates

Warranties offered

"The crew very polite and informative. The whole house generator installed in one day and my place was left clean. The installation project was done in a cosmetic pleasing manner and no ugly pipes or wires are visible. I was given a detailed cost of the project and kept informed at all times. It was not the lowest bid but the work was excellent and I am very happy with the finished project. The office staff are very helpful and their excellent service and detailed bid is why I chose to go with LT Generator."
22kw Generac Natural Gas Generator
27kw Generac Natural Gas Generator
Kohler Liquid Cooled
27kw Generac Natural Gas Generator
Kohler Air Cooled 20kW

+12

Response time2 days
51 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Casaroja Electric Inc
Casaroja Electric Inc
5.0(
19
)
Fixed Generator - InstallPortable Generator - Install

Serving Walnut, 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

1 neighbors recently requested a quote
Avatar for ZERO ELECTRIC
ZERO ELECTRIC
4.9(
17
)
Fixed Generator - InstallGenerator - InstallGenerator - Install - For Business+1 more

Serving Walnut, 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

5 neighbors recently requested a quote
Recommended by41%of homeowners
Avatar for Indaspec, LLC
Indaspec, LLC
5.0(
15
)
Fixed Generator - InstallGenerator - Install - For Business

Serving Walnut, CA and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"Saul and Juan arrived on time, determined where the fault lay, advised me on what I can do to save some labor costs by running wire myself. I have worked on some electrical equipment over the years so usually am familiar with what is needed or not needed. These guys didnâ  t try to sell me something I didnâ  t need. Very professional and I would recommend them to others. Thx. Brian Napa County"
Damaged Panels
Damaged Panel Removal
Damaged Panel Close Up
New Panel Install
New Panel- a perfect match

+9

Response time1 day
12 neighbors recently requested a quote
Recommended by64%of homeowners
Trout Electric
4.3(
20
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Walnut, CA and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"They were prompt and reasonable. They were able to re-wire our kitchen and pull extra electric from the electric main. They also cleaned up the electrical panel and replace bad breakers The only issue we had is that some of the outlets were not level and the right depth for the 1/2" drywall that was going to be installed."
Recommended by88%of homeowners
Home Pro Remodeling & Construction, Inc.
4.1(
31
)
Portable Generator - Repair

Serving Walnut, 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
Avatar for EnergyAid
EnergyAid
3.6(
130
)
Fixed Generator - RepairGenerator - Repair - For Business

Serving Walnut, CA and surrounding areas

Approved

In business since 2012

Emergency services offered

Warranties offered

"This was a very good experience! The 2 technicians arrived on time, were very professional and polite, and even went above and beyond what I was expecting. If anyone needs any solar-related repairs or installation, I would highly recommend Energy Aid"
Voltage Testing
Solar Panel Removal and Reinstall
Two Batterys
Bird Skirt
Communication Repair

+20

Response time1 day
Response rate97%
7 neighbors recently requested a quote
...
Showing 1-10 of 191
Generator Install questions, answered by experts

Natural gas and electricity rates vary significantly based on location, and pricing can change over time, too. It’s possible that in locations where natural gas is particularly inexpensive, it will cost less than grid-based electricity will. However, you should also factor in the generator’s initial costs and maintenance needs, as well as its noise level and if it can comfortably power all your home appliances.

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.

To power a central air system during a power outage, the whole-house generator will need to be at least 5,000 watts, and this number will significantly increase for larger units. Check the specific wattage requirements of your AC unit to choose the right generator size. Consider consulting a generator installer to ensure your whole-house generator meets your electrical load needs.

DIY is possible for basic setups. Professional installation ensures safe and proper electrical connections.

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 Walnut, CA homeowners’ guide to generator installs

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