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Avatar for Zarco's Electrical
Zarco's Electrical
4.5(
64
)

Serving Windsor, CA and surrounding areas

Approved

In business since 1997

Free estimates

Emergency services offered

"On time for consultation for installation of generator panel?? Installation went well, the staff was on time for the installation, communicated what they were doing, put together the generator for me and cleaned up after the job."
Response time6 hrs
Response rate86%
7 neighbors recently requested a quote
Avatar for AMP-A-NEER
AMP-A-NEER
4.9(
28
)

Serving Windsor, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Emergency services offered

"Project: Install Electrical Switches, Outlets. They were on time, professional and flexible. Also, discussed future projects - replacing a fixture in bathroom, and on their way out attached a smog detector the right way. I would definitely use this company again."
Response time3 hrs
Response rate91%
14 neighbors recently requested a quote
Avatar for Boost Electric, LLC
Boost Electric, LLC
5.0(
13
)

Serving Windsor, CA and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Omid was great to work with. Showed up when he said he would and did an excellent job. I appreciated his honesty when he recommended the less expensive option for my project. He could have easily said the more expensive option was the only way but he didn't."
Response time10 hrs
3 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for BA Electric, Inc.
BA Electric, Inc.
4.8(
109
)

Serving Windsor, CA and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"Five stars from start to finish. Found Bay Area Electric on Home Advisor. James called ME the next day before I could call him. He asked me for more details about the job and then sent me a very reasonable proposal. I told him I'd like to proceed and he let me know the date for install - 4 weeks out. (Trades are so busy right now!) Danny and Tua showed up 10 minutes early and were friendly and professional. The light fixture over the sink could not accommodate the can light that I wanted due to a beam, but Danny offered up an alternate fixture that looks great. He checked in with us on spacing for the remainder of the lights as well as the height for the chandelier. They worked well together and I felt like we were partners in the project with them - letting them know our preferences and then they executed beautifully. Sooo pleased! I highly recommend them and will use them again!"
Response time1 day
Recommended by99%of homeowners
Avatar for Steven Fredrick Weaver
Steven Fredrick Weaver
4.2(
51
)

Serving Windsor, CA and surrounding areas

Approved

In business since 2000

Free estimates

Customers say: Quick response

"Steve did a great job for me. I called on him to help me with a problematic installation and of course he figured out the problem. Very helpful is my overall impression and my 2 fixtures look fabulous. Thanks very much!"
Profile Photos
New York Apartment
New York Apartment
House Bodega Harbor
House Bodega Harbor

+6

Response time8 hrs
Response rate100%
10 neighbors recently requested a quote
Avatar for Sonoma Coast Electric, Inc
Sonoma Coast Electric, Inc
5.0(
6
)

Serving Windsor, CA and surrounding areas

Approved

In business since 2024

Free estimates

Warranties offered

"I had 2 ceiling fan/lights installed in the bedrooms. Installation included 2 new circular circuit boxes in each bedroom ceiling. In addition, I replaced the kitchen ceiling light with an LED fixture. The 2 workers were very polite and professional and worked quickly and efficiently, in addition to being respectful of my personal belongings."
Multimeter Test
100 amp Sub Panel
100 amp Sub Panel
Installing Unistrut
Stripping Wire

+3

Response time1 day
Response rate94%
8 neighbors recently requested a quote
Avatar for E Fitzgerald, Inc.
E Fitzgerald, Inc.
4.2(
27
)

Serving Windsor, CA and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

"The consultation with Sean was very helpful and corrected the unit we actually needed. The work was done in a timely way, very professional and thorough. The hook up of the transfer switch was perfect on the trial runs with the generator. Sean has quiet confidence that he communicated with me and gave me the trust I needed to work with his family business that was new to me. I would go right back to Fitzgerald again. Good team, good work, and good service."
Electrical
Response time2 days
18 neighbors recently requested a quote
Recommended by66%of homeowners
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Showing 1-10 of 155
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.

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.

If you have a transfer switch properly installed, the generator and main electrical power cannot feed the system at the same time. However, you should still shut off the power at your main circuit breaker panel before activating the generator. If you do that, you’ll simply need to shut off the generator and reset your circuit breaker once the local power comes back on.

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.

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.

The Windsor, CA homeowners’ guide to generator installs

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