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Avatar for Apollo Electric

Apollo Electric

4.97(
167
)
Approved Pro

Apollo Electric

4.97(
167
)
Approved Pro
Customers say: Super punctual
Recommended by 99% of Angi customers
Recommended by 99% of HomeAdvisor customers
20 years of experience

We specialize in 200 Amp panel upgrades, multi-family panel upgrades, whole house re-wires, electric vehicle circuits, LED lighting systems (new installations and retrofits), electrical repairs, safety upgrades, fans and troubleshooting for homes, offices and small businesses

"excellent fast response from Chris-owner. He came by same day and repaired the frayed power cord for us and we are good to go. Chris was very professional, timely, respectful and great to work with. We wIll keep his info on hand for any other electrical issues we may have in the future. Would highly recommend this company!!"

yolanda d on December 2024

We specialize in 200 Amp panel upgrades, multi-family panel upgrades, whole house re-wires, electric vehicle circuits, LED lighting systems (new installations and retrofits), electrical repairs, safety upgrades, fans and troubleshooting for homes, offices and small businesses

"excellent fast response from Chris-owner. He came by same day and repaired the frayed power cord for us and we are good to go. Chris was very professional, timely, respectful and great to work with. We wIll keep his info on hand for any other electrical issues we may have in the future. Would highly recommend this company!!"

yolanda d on December 2024


Avatar for Single Line Electric

Single Line Electric

4.95(
42
)
Approved Pro

Single Line Electric

4.95(
42
)
Approved Pro
Super Service Award
Customers say: True professional
5 years of experience
Free onsite estimate

Single Line Electric is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests and make their concerns the basis of our business. 20 years exp

"Single Line Electric replaced the sub-panel (fuse box) for our house. My wife works from home, so we needed to schedule it for a day she was working in her Oakland office. Scheduling was not a problem. We got a competitive price, and the work crew was friendly and courteous. After the sub-panel was installed, the crew went through the house to make sure all electric outlets were functioning and properly labeled. They cleaned up thoroughly. My wife had purchased a ceiling fan that had not been installed. I asked the work crew if they could add that to the work order. No problem. Single Line will be my first call for future work."

William N on January 2026

Single Line Electric is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests and make their concerns the basis of our business. 20 years exp

"Single Line Electric replaced the sub-panel (fuse box) for our house. My wife works from home, so we needed to schedule it for a day she was working in her Oakland office. Scheduling was not a problem. We got a competitive price, and the work crew was friendly and courteous. After the sub-panel was installed, the crew went through the house to make sure all electric outlets were functioning and properly labeled. They cleaned up thoroughly. My wife had purchased a ceiling fan that had not been installed. I asked the work crew if they could add that to the work order. No problem. Single Line will be my first call for future work."

William N on January 2026


Avatar for Rashid Kaddoura

Rashid Kaddoura

4.79(
117
)
Approved Pro

Rashid Kaddoura

4.79(
117
)
Approved Pro
Super Service Award
Customers say: True professional
7 years of experience
Free onsite estimate

When it comes to reliability, We are the ones you need! Over 40 years of experience. Licensed, insured professional delivering reliable Electrical solutions. All types of Electrical works including: Electrical Panel Upgrades, EV Chargers Installation, Recessed Lights, Troubleshooting, Wiring & Rewiring, Ceiling Fan Installation and Low Voltage Electricity.

"Mr Rashid and his team have done a couple of jobs for us (the second one being far more interesting and challenging) and have aced it both the times. "

kh m on January 2026

When it comes to reliability, We are the ones you need! Over 40 years of experience. Licensed, insured professional delivering reliable Electrical solutions. All types of Electrical works including: Electrical Panel Upgrades, EV Chargers Installation, Recessed Lights, Troubleshooting, Wiring & Rewiring, Ceiling Fan Installation and Low Voltage Electricity.

"Mr Rashid and his team have done a couple of jobs for us (the second one being far more interesting and challenging) and have aced it both the times. "

kh m on January 2026


A R P Electric

4.91(
79
)
Approved Pro

A R P Electric

4.91(
79
)
Approved Pro
Customers say: Quality work
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
11 years of experience

With over 10 years of experience as an electrician serving San Jose and the Santa Clara County area, A R P Electric has the knowledge and the integrity that you would expect from your trusted electrician. From service work, to panel upgrades and full remodels, we have you covered. Give us a call today for a free estimate!

"Ahmed did a great job of installing recessed lighting in the living room and 2 ceiling fans in the bedrooms. He also helped with a ceiling light install. Very knowledgeable and highly recommended. Will definitely work again with Ahmed on future projects."

Suraj S on September 2021

With over 10 years of experience as an electrician serving San Jose and the Santa Clara County area, A R P Electric has the knowledge and the integrity that you would expect from your trusted electrician. From service work, to panel upgrades and full remodels, we have you covered. Give us a call today for a free estimate!

"Ahmed did a great job of installing recessed lighting in the living room and 2 ceiling fans in the bedrooms. He also helped with a ceiling light install. Very knowledgeable and highly recommended. Will definitely work again with Ahmed on future projects."

Suraj S on September 2021


Avatar for Service Champions Heating & Air Conditioning

Service Champions Heating & Air Conditioning

4.71(
623
)
Approved Pro

Service Champions Heating & Air Conditioning

4.71(
623
)
Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
23 years of experience

Service Champions is the leading heating and air conditioning contractor in Northern California servicing homeowners in East Bay, South Bay and Sacramento areas. We can make your home more comfortable and improve the quality of air you and your family breathe. We specialize in maintenance, repair and sales of all brands of air conditioners and heaters, and are experts in indoor air quality improvement through filtration, duct replacement, insulation and hospital grade UV lights. All the air conditioners we install have the new environmentally friendly refrigerant that does not damage the ozone. We also are huge proponents of super high efficient equipment, such as 95% efficient furnaces. This equipment saves homeowners a tremendous amount of money on their utility bills.

"This was not an emergency, but they still responded quickly even on a weekend. The technician was super professional and knowledgeable. Very detailed. He had a solution that was under budget and exceeded my needs!"

Daniel S on January 2026

Service Champions is the leading heating and air conditioning contractor in Northern California servicing homeowners in East Bay, South Bay and Sacramento areas. We can make your home more comfortable and improve the quality of air you and your family breathe. We specialize in maintenance, repair and sales of all brands of air conditioners and heaters, and are experts in indoor air quality improvement through filtration, duct replacement, insulation and hospital grade UV lights. All the air conditioners we install have the new environmentally friendly refrigerant that does not damage the ozone. We also are huge proponents of super high efficient equipment, such as 95% efficient furnaces. This equipment saves homeowners a tremendous amount of money on their utility bills.

"This was not an emergency, but they still responded quickly even on a weekend. The technician was super professional and knowledgeable. Very detailed. He had a solution that was under budget and exceeded my needs!"

Daniel S on January 2026


Avatar for Dalcon Electric

Dalcon Electric

4.77(
77
)
Approved Pro

Dalcon Electric

4.77(
77
)
Approved Pro
Super Service Award
Customers say: True professional
47 years of experience
Emergency services offered

Finding a licensed electrician that you can trust to service or repair your property can be difficult. While some electricians offer free consultations or other specials, they often do not have the skills or expertise necessary to efficiently perform the service you need. At Dalcon Electric, we have over 40 years of experience providing high-quality electrical services for our neighbors in San Jose and the surrounding areas. We are definitely able to take care of any electrical issues you run into big, or small!

"Work went well. Mods were well planned and made without complications. "

Patrick A on July 2025

Finding a licensed electrician that you can trust to service or repair your property can be difficult. While some electricians offer free consultations or other specials, they often do not have the skills or expertise necessary to efficiently perform the service you need. At Dalcon Electric, we have over 40 years of experience providing high-quality electrical services for our neighbors in San Jose and the surrounding areas. We are definitely able to take care of any electrical issues you run into big, or small!

"Work went well. Mods were well planned and made without complications. "

Patrick A on July 2025


Avatar for Pellegrin Electric

Pellegrin Electric

5.00(
19
)
Approved Pro

Pellegrin Electric

5.00(
19
)
Approved Pro
Customers say: Quality work
26 years of experience
Free onsite estimate

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"I have been working with Alfonso for almost 20 years. He helped us with recessed lighting installation. He is very knowledgeable in his craft and he is very professional. He always exceeded our expectation. He is highly recommendable. We will continue to hire him for electrical works. "

Eillen C on May 2025

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"I have been working with Alfonso for almost 20 years. He helped us with recessed lighting installation. He is very knowledgeable in his craft and he is very professional. He always exceeded our expectation. He is highly recommendable. We will continue to hire him for electrical works. "

Eillen C on May 2025


Avatar for Dalcon Electric

Dalcon Electric

4.81(
357
)
Approved Pro

Dalcon Electric

4.81(
357
)
Approved Pro
Customers say: Quick response
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
33 years of experience

We are an Electrical Contracting Company providing top quality electrical services to South Bay, East Bay, and the Peninsula! David Lee, the owner of Dalcon Electric, started doing electrical work in the San Jose area over 30 years ago. Then, in 1993, he started Dalcon Electric in San Jose. With over 30 years of experience in both residential and commercial work, we take pride in our expertise and professionalism. We always give you a fair price and can often recommend ways to save you money on your electrical job. We are family owned and operated company! We are also licensed, bonded, and insured! Give us a call today! You’ll be in good hands! Ask about our Angie's List coupon and senior discounts. Award winning. Certified Copalum Installers. SPAN Certified Installers.

"Services went great. They arrived early very professional completed. The job completely cleaned up after they were done and were very professional during the entire project. I couldn’t recommend the gentleman any higher."

Chris (dad) B on July 2025

We are an Electrical Contracting Company providing top quality electrical services to South Bay, East Bay, and the Peninsula! David Lee, the owner of Dalcon Electric, started doing electrical work in the San Jose area over 30 years ago. Then, in 1993, he started Dalcon Electric in San Jose. With over 30 years of experience in both residential and commercial work, we take pride in our expertise and professionalism. We always give you a fair price and can often recommend ways to save you money on your electrical job. We are family owned and operated company! We are also licensed, bonded, and insured! Give us a call today! You’ll be in good hands! Ask about our Angie's List coupon and senior discounts. Award winning. Certified Copalum Installers. SPAN Certified Installers.

"Services went great. They arrived early very professional completed. The job completely cleaned up after they were done and were very professional during the entire project. I couldn’t recommend the gentleman any higher."

Chris (dad) B on July 2025


Avatar for Adept Electrical Solutions

Adept Electrical Solutions

4.96(
23
)
Approved Pro

Adept Electrical Solutions

4.96(
23
)
Approved Pro
Customers say: Quick response
13 years of experience

Adept Electrical Solutions is designed to bring customer focused electrical services to homeowners, property managers, and renters alike. Our goal is to bring your vision to life at an affordable price. We specialize in home lighting, panel upgrades, EV charger installation, Battery Storage, Interior load relocation, and troubleshooting. Call today for free estimates (510)512-8029

"Donte was on time, professional, and so knowledgable. I will absolutely hire Adept Electrical Solutions again for future projects!!"

Kate R on December 2023

Adept Electrical Solutions is designed to bring customer focused electrical services to homeowners, property managers, and renters alike. Our goal is to bring your vision to life at an affordable price. We specialize in home lighting, panel upgrades, EV charger installation, Battery Storage, Interior load relocation, and troubleshooting. Call today for free estimates (510)512-8029

"Donte was on time, professional, and so knowledgable. I will absolutely hire Adept Electrical Solutions again for future projects!!"

Kate R on December 2023


Avatar for Emelco Electric

Emelco Electric

4.64(
348
)
Approved Pro

Emelco Electric

4.64(
348
)
Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
13 years of experience

EMELCO electric is an electrical contractor which provides residential and commercial electrical services. Company located in San Jose city and provides installation, remodeling and lighting for all south Bay Area . We Install/replace fixtures , fans, switches and outlets, wiring, conduits, low voltage circuits, computer networks, TV and cables. Our company provide consultation and ideas for our clients on their design/build projects.

"I had the team from Emelco electric install a gfci outlet in my bathroom. They were prompt, friendly and did great work. I’m definitely having them back for some other projects! "

Joanie R on January 2026

EMELCO electric is an electrical contractor which provides residential and commercial electrical services. Company located in San Jose city and provides installation, remodeling and lighting for all south Bay Area . We Install/replace fixtures , fans, switches and outlets, wiring, conduits, low voltage circuits, computer networks, TV and cables. Our company provide consultation and ideas for our clients on their design/build projects.

"I had the team from Emelco electric install a gfci outlet in my bathroom. They were prompt, friendly and did great work. I’m definitely having them back for some other projects! "

Joanie R on January 2026

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Generator Install questions, answered by experts

Yes, in some locations, it is required by the National Electric Code (NEC) to have a transfer switch installed for electrical emergencies. In addition to following electrical code, generator transfer switches ensure your home is fully protected during a power outage. By switching the power from the main breaker to the generator breaker, you can seamlessly operate your HVAC, lights, appliances, devices, and more during an emergency. 

Sizing a generator is a careful process that requires calculating the electrical load of your entire house. You have to take into account every device you want to use and their wattage requirements, plus the wattage needed to start them, and look for a generator that can safely run all that at around 80% capacity.

In more practical terms, a small home can run on a 10,000-watt generator (and if you only want to power a few key appliances, much less than that). A mid-sized home may need something between 15,000 and 22,000 watts. Larger homes require 25,000 watts or more. 

Yes, whole-house generators run constantly for extended periods. Whole-house generators can run for longer periods of time than portable generators, but be careful. First, they may need regular applications of engine oil (as frequently as daily), depending on the engine design. Second, running constantly for several days will increase the wear and tear on the generator and shorten its lifespan.

Many services include assembling the unit and securing it in the window. Confirm with your provider.

In most municipalities, you will need a permit to install a permanent home generator, including emergency backup, partial-home, and whole-home generators. A permit for a generator usually costs between $50 and $250, depending on where you live. Your electrician or certified generator installer will usually pull the permit for you—and might be required to do so by your building department—but you’ll be on the hook for the cost of the permit. You should ask your installer before agreeing to any work if they will pull the necessary permits for your project.

The Milpitas, 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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