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Avatar for Trinity Electric Services Inc.

Trinity Electric Services Inc.

5.00(
5
)
Approved Pro

Trinity Electric Services Inc.

5.00(
5
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
1 years of experience

We have the experience and we are committed to providing quality workmanship and superior customer service on all our applications. TRINITY ELECTRIC SERVICES INC strives to maintain our reputation as a high quality, very service oriented company with our main focus being on customer satisfaction.

"Josué is an amazing electrician and did a fantastic job with all the work required at our home, including upgrading wiring from the main panel to subpanel, installing additional 50 amp and 15 amp outlets, ripping out knob and tube, and installing new wiring and circuit breakers for the bathroom and kitchen we remodeled. Josué is extremely experienced, having started as an electrician for commercial and industrial building, and is very knowledgeable both about residential electrical code and best practices. I would absolutely recommend him!"

Andrew Z on October 2024

We have the experience and we are committed to providing quality workmanship and superior customer service on all our applications. TRINITY ELECTRIC SERVICES INC strives to maintain our reputation as a high quality, very service oriented company with our main focus being on customer satisfaction.

"Josué is an amazing electrician and did a fantastic job with all the work required at our home, including upgrading wiring from the main panel to subpanel, installing additional 50 amp and 15 amp outlets, ripping out knob and tube, and installing new wiring and circuit breakers for the bathroom and kitchen we remodeled. Josué is extremely experienced, having started as an electrician for commercial and industrial building, and is very knowledgeable both about residential electrical code and best practices. I would absolutely recommend him!"

Andrew Z on October 2024


PGH ELECTRIC

5.00(
1
)
Approved Pro

PGH ELECTRIC

5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
1 years of experience

We are 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.

"I highly recommend PGH Electric. Pablo is very professional and detailed with his work. We are happy with the results. Very impressed with his knowledge and his efficiency in completing the job in such a timely manner."

Maria D on August 2024

We are 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.

"I highly recommend PGH Electric. Pablo is very professional and detailed with his work. We are happy with the results. Very impressed with his knowledge and his efficiency in completing the job in such a timely manner."

Maria D on August 2024


Avatar for Dalcon Electric

Dalcon Electric

4.56(
406
)
Approved Pro

Dalcon Electric

4.56(
406
)
Approved Pro
Super Service Award
Customers say: Quality work
822 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 BAY AREA ELECTRICAL UNLIMITED

BAY AREA ELECTRICAL UNLIMITED

5.00(
4
)
Approved Pro

BAY AREA ELECTRICAL UNLIMITED

5.00(
4
)
Approved Pro
39 local quotes requested
3 years of experience

Bay Area Electrical 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.

"His first day at my house, Shane worked (with my approval) from 9 in the morning until 10 at night. He is highly organized, enthusiastic, efficient, and knowledgeable in all aspects of his discipline. His work is always well executed and professionally excellent. Shane is an exceptional person and electrician. There is no one I would recommend more highly or with more confidence."

James L on June 2025

Bay Area Electrical 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.

"His first day at my house, Shane worked (with my approval) from 9 in the morning until 10 at night. He is highly organized, enthusiastic, efficient, and knowledgeable in all aspects of his discipline. His work is always well executed and professionally excellent. Shane is an exceptional person and electrician. There is no one I would recommend more highly or with more confidence."

James L on June 2025


Energy On Electrical and Plumbing Inc

5.00(
2
)
Approved Pro

Energy On Electrical and Plumbing Inc

5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
10 years of experience

Energy On Electrical and Plumbing Inc 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.

"They are very good at what they do, I didn't have any problems, they did a great job, the price was fair, everything was working perfectly and everything was within the expected time frame and as agreed with no surprises at the end."

Robson F on April 2024

Energy On Electrical and Plumbing Inc 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.

"They are very good at what they do, I didn't have any problems, they did a great job, the price was fair, everything was working perfectly and everything was within the expected time frame and as agreed with no surprises at the end."

Robson F on April 2024


Avatar for TECHINSF CONSULTING LLC

TECHINSF CONSULTING LLC

5.00(
5
)
Approved Pro

TECHINSF CONSULTING LLC

5.00(
5
)
Approved Pro
25 local quotes requested
22 years of experience

We specialize in professional Low-Voltage Wiring for homes and businesses, including Ethernet and phone cabling, speaker wiring, coax, fiber, underground wiring, and wire testing. In addition to clean, reliable cabling, we also offer full-service IT support, from WiFi systems and networking to cloud services, desktop help, and security solutions. Whether you need structured cabling, door access systems, TV mounting, or expert IT help, we deliver fast, dependable service with both remote and on-site options.

We specialize in professional Low-Voltage Wiring for homes and businesses, including Ethernet and phone cabling, speaker wiring, coax, fiber, underground wiring, and wire testing. In addition to clean, reliable cabling, we also offer full-service IT support, from WiFi systems and networking to cloud services, desktop help, and security solutions. Whether you need structured cabling, door access systems, TV mounting, or expert IT help, we deliver fast, dependable service with both remote and on-site options.


Avatar for Bluewire Electric

Bluewire Electric

5.00(
5
)
Approved Pro

Bluewire Electric

5.00(
5
)
Approved Pro
65 local quotes requested
1 years of experience

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We have many years of experience to give you confidence that we are your number one choice for your next home project. You will find us to be competitively priced with close attention to the details. We look forward to building a lasting relationship and guarantee your satisfaction!

"The owner of BlueWire Electric Daniel T. Was extremely professional. I hired him to wire up an ADU that I am building and to wire up the panel. He was very informative and up to date on the current electrical code and title 24. I will definitely be a returning customer and look forward to have BlueWire Electric do all my future electrical work. "

Carlos R on September 2025

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We have many years of experience to give you confidence that we are your number one choice for your next home project. You will find us to be competitively priced with close attention to the details. We look forward to building a lasting relationship and guarantee your satisfaction!

"The owner of BlueWire Electric Daniel T. Was extremely professional. I hired him to wire up an ADU that I am building and to wire up the panel. He was very informative and up to date on the current electrical code and title 24. I will definitely be a returning customer and look forward to have BlueWire Electric do all my future electrical work. "

Carlos R on September 2025


Avatar for Glo-Electric

Glo-Electric

4.43(
7
)
Approved Pro

Glo-Electric

4.43(
7
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
308 local quotes requested

Family and veteran owned and operated company, professional trained, drug tested, background checked, electricians providing residential and commercial service, repair and new installations servicing the greater bay area with the best service in the industry.

"They did quality work on a tight timeline"

Jocelyn T on May 2024

Family and veteran owned and operated company, professional trained, drug tested, background checked, electricians providing residential and commercial service, repair and new installations servicing the greater bay area with the best service in the industry.

"They did quality work on a tight timeline"

Jocelyn T on May 2024


Avatar for BARAK ELECTRIC

BARAK ELECTRIC

4.80(
5
)
Approved Pro

BARAK ELECTRIC

4.80(
5
)
Approved Pro
10 local quotes requested
2 years of experience

Here at Barak Electric with over 20+ years of experience we take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. Call us today!

"Install circuit breaker and 240 outlet in preparation for new electric tank water heater. Took the time to consult with water heater contractor to make sure the correct parts were used, and placement of shutoff was done properly. Professional, prompt, and thorough. We are very pleased with the work, and would not hesitate to rehire and recommend to our friends and family."

Louis S on January 2025

Here at Barak Electric with over 20+ years of experience we take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. Call us today!

"Install circuit breaker and 240 outlet in preparation for new electric tank water heater. Took the time to consult with water heater contractor to make sure the correct parts were used, and placement of shutoff was done properly. Professional, prompt, and thorough. We are very pleased with the work, and would not hesitate to rehire and recommend to our friends and family."

Louis S on January 2025


Avatar for Service Champions Heating & Air Conditioning

Service Champions Heating & Air Conditioning

4.64(
655
)
Approved Pro

Service Champions Heating & Air Conditioning

4.64(
655
)
Approved Pro
Super Service Award
Customers say: Super punctual
605 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

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Showing 1-10 of 51
Generator Install questions, answered by experts

Costs range from $500 to $2,500, depending on generator type and installation complexity.

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.

An undersized whole-house generator has the potential to overheat and shut down when you try to run a central AC system. This scenario can not only damage the whole-house generator, but can also trip your home’s breakers or cause electrical damage. To avoid this situation, hire a local generator installer to correctly size your whole-house generator.

Homeowners can often access federal tax credits, such as the Investment Tax Credit (ITC), which covers a percentage of installation costs. Many states and utilities offer additional rebates, grants, or performance-based incentives. These programs can significantly lower your upfront investment. Check the Database of State Incentives for Renewables and Efficiency (DSIRE) or contact your local energy office for current offers.

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 San Mateo, CA homeowners’ guide to generator installs

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