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Avatar for Dalcon Electric

Dalcon Electric

757 Chestnut St
4.56(
405
)
Approved Pro

Dalcon Electric

757 Chestnut St
4.56(
405
)
Approved Pro
Customers say: Quality work
737 local quotes requested
32 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.

"Clear and knowledgeable on what my request"

Howard Y on September 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.

"Clear and knowledgeable on what my request"

Howard Y on September 2025


Avatar for Service Champions Heating & Air Conditioning

Service Champions Heating & Air Conditioning

4430 Yankee Hill Rd
4.64(
655
)
Approved Pro

Service Champions Heating & Air Conditioning

4430 Yankee Hill Rd
4.64(
655
)
Approved Pro
Customers say: Super punctual
444 local quotes requested
22 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.

"Our Service Tech, Alex Peck, arrived on time to perform the annual check up & tune-up of our HVAC System. He was very professional and following the Tune-Up asked if there was any other items that needed done or looked into that he could take care of. His services were very much appreciated and very professional. Lee"

Lain L on September 2025

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.

"Our Service Tech, Alex Peck, arrived on time to perform the annual check up & tune-up of our HVAC System. He was very professional and following the Tune-Up asked if there was any other items that needed done or looked into that he could take care of. His services were very much appreciated and very professional. Lee"

Lain L on September 2025


Avatar for Dollens Electric Corp

Dollens Electric Corp

PO Box 730577
4.59(
69
)
Approved Pro

Dollens Electric Corp

PO Box 730577
4.59(
69
)
Approved Pro
Customers say: Quality work
86 local quotes requested
20 years of experience

(408) 929-6100 Dollens Electric is a family owned and operated business. Our electricians specialize in panel upgrades, whole house rewiring, whole house fans, photovoltaic solar systems, lighting design, recessed lighting, retrofit, remodel and additions, electric vehicle charging stations, and electrical troubleshooting. Founded in 2005 we are a multifaceted provider of contracting services to San Jose and South Bay Area . During the past years we have added several services products to our offerings. We are now a significant provider of solar power systems to the foothill region of central California in Calaveras and Amador counties.

"Knew the issue. Very friendly. Repaired efficiently at a reasonable price."

Pat W on July 2024

(408) 929-6100 Dollens Electric is a family owned and operated business. Our electricians specialize in panel upgrades, whole house rewiring, whole house fans, photovoltaic solar systems, lighting design, recessed lighting, retrofit, remodel and additions, electric vehicle charging stations, and electrical troubleshooting. Founded in 2005 we are a multifaceted provider of contracting services to San Jose and South Bay Area . During the past years we have added several services products to our offerings. We are now a significant provider of solar power systems to the foothill region of central California in Calaveras and Amador counties.

"Knew the issue. Very friendly. Repaired efficiently at a reasonable price."

Pat W on July 2024


Avatar for Fitch Electric, Inc.

Fitch Electric, Inc.

7059 Commerce Cir Suite B
5.00(
13
)
Approved Pro

Fitch Electric, Inc.

7059 Commerce Cir Suite B
5.00(
13
)
Approved Pro
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
10 local quotes requested

We are authorized Generac dealers and installers of whole home generator systems. We take pride in our customer service and customer satisfaction. From start to finish we will educate our clients and communicate thoroughly through the whole process. Additionally we take on commercial work and residential work. We offer free consultations on all aspects of work. Let us help you meet your electrical needs today.

"Lucas Fitch called me within 10 minutes of posting an inquiry on Angi. He came out the next morning, discussed the project in detail, and gave me a written estimate (which was detailed and very reasonable) that same day. The job was completed the next week by two knowledgeable, professional, and friendly technicians. What an impressive company! "

Anastasia I on August 2025

We are authorized Generac dealers and installers of whole home generator systems. We take pride in our customer service and customer satisfaction. From start to finish we will educate our clients and communicate thoroughly through the whole process. Additionally we take on commercial work and residential work. We offer free consultations on all aspects of work. Let us help you meet your electrical needs today.

"Lucas Fitch called me within 10 minutes of posting an inquiry on Angi. He came out the next morning, discussed the project in detail, and gave me a written estimate (which was detailed and very reasonable) that same day. The job was completed the next week by two knowledgeable, professional, and friendly technicians. What an impressive company! "

Anastasia I on August 2025


Avatar for Green Leaf Solar & Electric, Inc.

Green Leaf Solar & Electric, Inc.

677 North 12th Street
4.00(
1
)
Approved Pro

Green Leaf Solar & Electric, Inc.

677 North 12th Street
4.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
48 years of experience

Here at Green Leaf Solar & Electric, Inc., we sustain our company on reliability, great communication, integrity and quality work. We strongly believe in giving our absolute best in all of our projects. We are experts in our trade and will always keep you educated on your particular task or project.

"No thanks"

Kien T on September 2020

Here at Green Leaf Solar & Electric, Inc., we sustain our company on reliability, great communication, integrity and quality work. We strongly believe in giving our absolute best in all of our projects. We are experts in our trade and will always keep you educated on your particular task or project.

"No thanks"

Kien T on September 2020


Avatar for Avid Communication Networks

Avid Communication Networks

39881 Burr Ave
5.00(
6
)
Approved Pro

Avid Communication Networks

39881 Burr Ave
5.00(
6
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
26 years of experience

We are Telecom experts offering simple to advanced Telephone and Data Network installation and service. We can optimize your existing Data Network to help you manage Internet usage and Prioritize it for your Business needs. We can help you move your Business or start a new Business. Small to Large we can help. If you are interested in upgrading your system we have excellent solutions and good advice.

"Really good service. Super friendly guy."

Kati L on September 2024

We are Telecom experts offering simple to advanced Telephone and Data Network installation and service. We can optimize your existing Data Network to help you manage Internet usage and Prioritize it for your Business needs. We can help you move your Business or start a new Business. Small to Large we can help. If you are interested in upgrading your system we have excellent solutions and good advice.

"Really good service. Super friendly guy."

Kati L on September 2024


Avatar for Rashid Kaddoura

Rashid Kaddoura

2518 Roblar Lane
4.79(
115
)
Approved Pro

Rashid Kaddoura

2518 Roblar Lane
4.79(
115
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
85 local quotes requested

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.

"I appreciated the attention to my job requirements, the ability to fulfill the request expeditiously, and the fair price. I will be directing future residential electrical needs to Rashid Kaddoura. "

Christopher R on October 2025

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.

"I appreciated the attention to my job requirements, the ability to fulfill the request expeditiously, and the fair price. I will be directing future residential electrical needs to Rashid Kaddoura. "

Christopher R on October 2025


Wooding Electric

3390 De La Cruz Boulevard, #N
4.64(
41
)
Approved Pro

Wooding Electric

3390 De La Cruz Boulevard, #N
4.64(
41
)
Approved Pro
Customers say: Quality work
35 local quotes requested
33 years of experience

When most people think of electrical contracting, the first image that comes to mind is power and lighting, typically for new construction. But that is only a portion of the value that an experienced, competent electrical contractor can offer its clients today. Wooding Electric is a fully licensed, insured and bonded electrical contracting firm. With over 20 years in business as a licensed electrical contractor. Wooding Electric has been specializing in meeting the ever-changing electrical service demands of the Silicon Valley and Bay Area, offering excellent workmanship and giving personal service. We perform complete electrical work for many different types of installations. We work with you, whether you are the owner, architect, engineer or general contractor. By emphasizing thorough up-front planning prior to installation, we can assure timely completion of your project. We guarantee satisfaction and stand behind all of our work. Call us today for an estimate!

"Good workmanship."

Michele C on February 2020

When most people think of electrical contracting, the first image that comes to mind is power and lighting, typically for new construction. But that is only a portion of the value that an experienced, competent electrical contractor can offer its clients today. Wooding Electric is a fully licensed, insured and bonded electrical contracting firm. With over 20 years in business as a licensed electrical contractor. Wooding Electric has been specializing in meeting the ever-changing electrical service demands of the Silicon Valley and Bay Area, offering excellent workmanship and giving personal service. We perform complete electrical work for many different types of installations. We work with you, whether you are the owner, architect, engineer or general contractor. By emphasizing thorough up-front planning prior to installation, we can assure timely completion of your project. We guarantee satisfaction and stand behind all of our work. Call us today for an estimate!

"Good workmanship."

Michele C on February 2020


Avatar for Stallings Electric

Stallings Electric

9 Lilac Lane
4.95(
10
)
Approved Pro

Stallings Electric

9 Lilac Lane
4.95(
10
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
12 local quotes requested

Welcome to Stallings Electric! Owner and operator, Dave, takes great pride in his professionalism and customer satisfaction. Dave, and his team are the experts you need to take care of your home! With over 25 years of experience we can handle any project you want with promptness and professionalism. We will always treat your home as we would our own, and will make you our top priority. Give Stallings Electric, a call today! You won't be disappointed.

"They installed a Generater."

Robert A on October 2022

Welcome to Stallings Electric! Owner and operator, Dave, takes great pride in his professionalism and customer satisfaction. Dave, and his team are the experts you need to take care of your home! With over 25 years of experience we can handle any project you want with promptness and professionalism. We will always treat your home as we would our own, and will make you our top priority. Give Stallings Electric, a call today! You won't be disappointed.

"They installed a Generater."

Robert A on October 2022


Avatar for Avant Electric, Inc.

Avant Electric, Inc.

2066A Walsh Ave
4.89(
14
)
Approved Pro

Avant Electric, Inc.

2066A Walsh Ave
4.89(
14
)
Approved Pro
Customers say: Quality work
25 local quotes requested
7 years of experience

Welcome to Avant Electric, Inc! You have found your premier electrical company, we can take on a wide range of residential and commercial electrical projects to include full installation for additions and remodels as well as wiring/panel upgrades, and a variety of other projects. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

"They were a great company to work with. They even found me a $600 tax rebate for upgrading my panel that I would not have thought to look for. They were always on time and got things done very quickly. Even the permits were done very fast. Other companies said permits can take 3 or 4 weeks. Avant had it all permitted and completed in 2 weeks."

DIANE M on August 2023

Welcome to Avant Electric, Inc! You have found your premier electrical company, we can take on a wide range of residential and commercial electrical projects to include full installation for additions and remodels as well as wiring/panel upgrades, and a variety of other projects. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

"They were a great company to work with. They even found me a $600 tax rebate for upgrading my panel that I would not have thought to look for. They were always on time and got things done very quickly. Even the permits were done very fast. Other companies said permits can take 3 or 4 weeks. Avant had it all permitted and completed in 2 weeks."

DIANE M on August 2023

Showing 1-10 of 48
Generator Install questions, answered by experts

It might seem counterintuitive, but installing a generator transfer switch will save you money in the long run. While you’ll have to pay between $400 and $2,500 to have the transfer switch installed, you’ll recoup that amount later on when you don’t have to pay for expensive repairs to your appliances, devices, and electrical system that may have burned out, overloaded, or stopped working due to a sudden loss of power or an incorrect hook up of a generator to your home

When properly maintained, natural gas generators can last a long time, as much as 20 to 40 years. They have relatively few needs compared to generators with other fuel types. However, the generator’s lifespan ultimately depends on how often the generator is used and for how long it’s left running.

Generators run on a variety of fuel types, ranging from natural gas to solar power. Keep in mind that fuel costs varying by type:

  • Natural gas: $2,000–$21,000 per year 

  • Liquid propane: $2,000–$21,000 per year

  • Diesel: $3,000–$20,000 per year

  • Gasoline: $500–$3,000 per year

  • Solar generator: $2,000–$25,000 per unit

  • Battery backup: $10,000–$25,000 per unit

A 10,000-watt generator can run a small to mid-sized central AC unit (typically up to 3 tons or 36,000 BTU) along with a few other appliances. However, larger AC units or additional loads will require a bigger generator. Consult a local generator installer to ensure you add the correct size generator to your home.

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.

The Los Gatos, CA homeowners’ guide to generator installs

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