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Avatar for LT Generators
LT Generators
4.3(
82
)

Serving Pasadena, 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
36 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Power Up Electric Inc
Power Up Electric Inc
4.8(
648
)

Serving Pasadena, CA and surrounding areas

Approved

In business since 1983

Free estimates

Warranties offered

"Andrew is the best! He went above and beyond to help us fix two more issues we found during the electrical outlet installation. And he is very knowledgeable and honest at his work and we would definitely use him again and highly recommend everyone to use Andrew for any electrical needs. Thanks again for all your help Andrew!"
Additional Photos
Additional Photos
Additional Photos
Response time3 hrs
3 neighbors recently requested a quote
Recommended by94%of homeowners
JK Flores Enterprise LLC.
5.0(
37
)

Serving Pasadena, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"Perfect and smooth journey, Jorge came pre instillation to check the electrical panel and where the the charger was going to be installed and after the review he text me the cost of parts and installation, after I received the charger he came on time and the job was completed. I was updated by text messages throughout the process. In the future if I need any electrical work I definitely use JK Flores Enterprise."
Existing ceiling fan
UPS system ready for a power outage
e.v. charger
New ceiling fan in living room
New UPS system

+28

Response time4 hrs
Response rate95%
5 neighbors recently requested a quote
Avatar for Chris The Electrician
Chris The Electrician
4.8(
53
)

Serving Pasadena, CA and surrounding areas

Approved

In business since 1987

Free estimates

Emergency services offered

"Chris and his assistant showed up on time and were very professional.  Chris walked around the house with me so I could show him what I needed done and he was very accommodating even making some suggestions of his own.  They used drop cloths everywhere they worked so they wouldn't scratch the floors and even asked me about how low I wanted the chandelier to hang. They got up on a very high ladder to change it.  It looks great! One of my patio lights was broken when they took it out of the box so they couldn't install it, but once I have it fixed Chris just told me to call him and he would come back and install it for me. We also had a couple of questions concerning some other plugs in the house and he was very nice about answering our questions.  I purchased the offer he had for $649.00 and it was well worth it.  I also feel better knowing that my lighting was installed by a professional.  I would highly recommend Chris for all electrical jobs.
"
Before
After
Additional Photos
Before
During

+9

Recommended by97%of homeowners
Avatar for Garafano Electric, Inc.
Garafano Electric, Inc.
4.8(
188
)

Serving Pasadena, CA and surrounding areas

Approved

In business since 1968

Free estimates

Warranties offered

"William and his team did a fantastic job upgrading our meter panel. They took care of all the permits and had the job done on time and on schedule. They were extremely communicative throughout the entire process and I would use them for all electrical services in the future."
Response time3 days
6 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for JOHNSON ELECTRIC
JOHNSON ELECTRIC
4.7(
244
)

Serving Pasadena, CA and surrounding areas

Approved

In business since 1977

Free estimates

Warranties offered

"Mr. Johnson and his crew have performed a fewjobs from lighting installations, to doorbell repair, to rewiring. Every job has been done well and at a reasonable price. The workers were respectful and very helpful at explaining the work they did before they left. What really set this outfit apart is Mr. Johnson himself. He always returns calls, his crews show up on time and perform the work expediently. On top of this, when I have had questions about other electrical concerns, Mr. Johnson takes time to have a phone call to consult on the issue. Mr. Johnson and his company are of high integrity and I would highly recommend them for any residential electric work."
Additional Photos
Additional Photos
Additional Photos
Response time6 hrs
4 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Albrik Electric Co.
Albrik Electric Co.
5.0(
19
)

Serving Pasadena, CA and surrounding areas

Approved

In business since 2021

Free estimates

Offers commercial services

"Albrik Electric Co was contracted out as a 3rd party to complete an installation for a business client. The former electrical contractor was let go and Albrik Electric Co stepped in to resume the work. Between the ease of communication, the quality of work, flexibility of work time, and fair pricing, I highly recommend using Albrik Electric Co. We will consider using this company again for future projects."
Response time9 hrs
Response rate100%
3 neighbors recently requested a quote
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Generator Install questions, answered by experts

In most cases, there are no tax credits available for home generators. However, that’s a general statement that applies to federal tax credits, so you might have access to state or local tax incentives. You can check the Database of State Incentives for Renewables & Efficiency (DSIRE) for more information about your area. If you hire a reliable home generator installer, they should also know if there are any state or local perks you can use to reduce your installation costs, including tax breaks and rebates.

To determine the right size generator for your house, you should calculate the total wattage of the appliances and devices you want to power during an outage. List all essential items, note their start-up wattages, and add them together.

Here are some typical wattage requirements for common appliances:

  • Refrigerator: 600 watts

  • Large dehumidifier: 700 watts

  • Large window air conditioner: 1,400 watts

  • Water heater: 3,000 to 4,500 watts

  • Electric furnace: 5,000 to 25,000 watts

A 7,500-watt generator might be sufficient for essentials like a refrigerator, freezer, well pump, and lighting circuits. However, for high-demand items like a water heater or furnace, a whole-home generator is a better choice. A portable generator may be enough if you only need to power a few critical items.

While home square footage can offer a rough estimate, it is not always a reliable indicator. For reference, here are some typical generator sizes based on square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14 kW

  • 2,500 sq ft: 12–16 kW

  • 3,000 sq ft: 16–20 kW+

For the most accurate sizing, consult a professional who can calculate your home's peak and average power consumption and recommend the optimal generator.

Energy output depends on turbine size, average wind speed at your site, and system efficiency. A 5 kW turbine in a good wind location can generate 8,000 to 12,000 kilowatt-hours per year, which may cover a large portion of an average home’s needs. Accurate output estimates require a professional wind assessment and a review of your household’s energy usage patterns.

Natural gas generators are designed to run for extended periods of time, such as power outages during a natural disaster. Since there’s no limit to the supply of natural gas, they don’t need to stop for refills. However, generators do need maintenance, including pauses to check and add oil. Constantly running them will also cause a lot more wear and tear, leading to a shorter lifespan.

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.

The Pasadena, CA homeowners’ guide to generator installs

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