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Verified Reviews for Generator Install pros in Alhambra, CA

*The Angi rating for Generator Install companies in Alhambra, 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 Alhambra, 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 May 14, 2025

Find Generator install pros in Alhambra

Avatar for LT Generators
LT Generators
4.3(
82
)

Serving Alhambra, 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

Response time2 days
25 neighbors recently requested a quote
Recommended by89%of homeowners
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Avatar for Gary & Son Electric
Gary & Son Electric
5.0(
41
)

Serving Alhambra, CA and surrounding areas

Approved

Super Service Award Winner

In business since 1988

Free estimates

Emergency services offered

"A true professional. Went above and beyond to help explain to me all of my options when hooking up a generator to my home. Work was done quickly and I was very impressed."
2016_La Canada Flintridge
Finished Install
2016_La Canada Flintridge
Open Panel View
Service Entrance Riser

+34

Response time9 hrs
Response rate100%
6 neighbors recently requested a quote
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FRANCIS
4.9(
116
)

Serving Alhambra, CA and surrounding areas

Approved

In business since 2012

Free estimates

Customers say: Quick response

"Francis responded to my Angi request immediately. He kept in touch to let me know his schedule and when he was in route. He was able to quickly assess and take care of my electrical issues which involved exterior outlets and switches. I would call on him again for any electrical needs."
Response time3 hrs
Response rate92%
3 neighbors recently requested a quote
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Avatar for Casaroja Electric Inc
Casaroja Electric Inc
5.0(
19
)

Serving Alhambra, CA and surrounding areas

Approved

Emergency services offered

Warranties offered

Offers commercial services

"Sergio and his assistant installed an EV charger at my place, and they did an amazing job. I’m so glad I hired them. Their price was reasonable compared to other contractors. I highly recommend them and would definitely use their company again for any future jobs."
Panel upgrade
Panel upgrade
Panel upgrade
Panel upgrade
Panel upgrade

+1

5 neighbors recently requested a quote
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Avatar for Electrical Bzzz
Electrical Bzzz
5.0(
51
)

Serving Alhambra, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2004

Free estimates

Offers commercial services

"I needed a transfer switch installed for my generator. Robert explained everything to me and did the job timely and professionally. I highly recommend Electrical BZZZ."
Response time8 hrs
Response rate90%
26 neighbors recently requested a quote
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Avatar for ZERO ELECTRIC
ZERO ELECTRIC
4.9(
10
)

Serving Alhambra, 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."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+1

1 neighbors recently requested a quote
Recommended by70%of homeowners
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Avatar for Accurate Electric, Plumbing, Heating and Air
Accurate Electric, Plumbing, Heating and Air
4.5(
14
)

Serving Alhambra, CA and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"I worked with the owner and the field supervisor - both extremely nice & very professional. I hope I have additional work needed in the future just so that I can work with them again!"
Jeff Seale - Owner
Albert Aragon - Dispatch
Cheri Fortner - Operations Manager
Dan Hartman - Journeyman Plumber
Eric Bribiesca - Comfort Advisor

+23

15 neighbors recently requested a quote
Recommended by81%of homeowners
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Avatar for M.D.H. Builders/Design/Development
M.D.H. Builders/Design/Development
5.0(
7
)

Serving Alhambra, 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 time12 hrs
Response rate96%
88 neighbors recently requested a quote
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Home Pro Remodeling & Construction, Inc.
4.1(
31
)

Serving Alhambra, 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 184
Generator Install questions, answered by experts

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.

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.

With proper maintenance, a whole-house generator can last between 20 and 40 years. The specific lifespan depends on how often and for how long the generator is used, and some models may have their life expectancy rated in hours of operation. To maximize its lifespan, expect to spend around $150 to $300 per year for annual maintenance checks from a qualified technician. During these checks, a technician will inspect the engine filter, starting mechanism, fuel, lubrication, and coolant levels. Consulting your installer and choosing a low-impact fuel like natural gas or diesel can also help ensure your generator lasts as long as possible.

If you’re wondering whether gas generators produce carbon monoxide, know that natural gas generators do not produce carbon monoxide if they are functioning properly, as natural gas burns cleanly. However, if the generator malfunctions and the gas does not burn completely, there is potential for carbon dioxide to be produced. To prevent malfunctions, it's crucial to perform regular maintenance, including running the generator weekly and scheduling professional inspections every 6 to 12 months. Also, be sure to test your carbon monoxide detectors regularly to ensure they function in the rare case of the generator producing carbon monoxide.

No, you should never plug a generator directly into a wall outlet in your house. This practice is extremely dangerous, often illegal, and can cause "back-feeding," where power from the generator flows back into utility lines, creating a life-threatening hazard for utility workers. It can also damage your home's electrical system, including appliances like pumps and HVAC fans. If the main power is restored while the generator is connected, it can destroy the generator and cause an electrical fire. To safely connect a generator, you must use a professionally installed transfer switch or an interlocking kit, which prevents back-feeding by disconnecting your home from the utility grid before the generator provides power.

The Alhambra, 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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