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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
23 years of experience
Free onsite estimate

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 BA Electric, Inc.

BA Electric, Inc.

4.86(
105
)
Approved Pro

BA Electric, Inc.

4.86(
105
)
Approved Pro
Customers say: Quick response
Recommended by 99% of Angi customers
Recommended by 99% of HomeAdvisor customers
4 years of experience

We take great pride our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"James, the owner came out for me on a Saturday after my power was restored, but only to half of my house. Within minutes he found it was the GFI in my bathroom that would not reset causing the rest of the house not to come on. Could not be happier with the service."

kay f on March 2024

We take great pride our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"James, the owner came out for me on a Saturday after my power was restored, but only to half of my house. Within minutes he found it was the GFI in my bathroom that would not reset causing the rest of the house not to come on. Could not be happier with the service."

kay f on March 2024


Avatar for Dalcon Electric

Dalcon Electric

4.56(
406
)
Approved Pro

Dalcon Electric

4.56(
406
)
Approved Pro
Customers say: Quality work
33 years of experience
Emergency services offered

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 AMP-A-NEER

AMP-A-NEER

4.94(
24
)
Approved Pro

AMP-A-NEER

4.94(
24
)
Approved Pro
Super Service Award
Customers say: Quick response
3 years of experience
Free onsite estimate

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's 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.

"Jestin was on time and very professional. I would use him again. Very nice man."

Linda S on November 2025

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's 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.

"Jestin was on time and very professional. I would use him again. Very nice man."

Linda S on November 2025


Avatar for Pro City Electric, Inc.

Pro City Electric, Inc.

5.00(
16
)
Approved Pro

Pro City Electric, Inc.

5.00(
16
)
Approved Pro
Customers say: Quick response
11 years of experience
Free onsite estimate

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.

"Did a great job installing new Ring Doorbell including reconfiguring setup in the cellphone application. Works great after a previously failed attempt by a different electrician."

Susan H on January 2025

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.

"Did a great job installing new Ring Doorbell including reconfiguring setup in the cellphone application. Works great after a previously failed attempt by a different electrician."

Susan H on January 2025


Aaron Bogdanyi Electric, Inc.

4.89(
22
)
Approved Pro

Aaron Bogdanyi Electric, Inc.

4.89(
22
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
27 years of experience

Aaron's Electric is a Full Service Electrical Contractor serving all of Northern California. Clean, Neat Work, Aaron's Electric is YOUR local Electrical Contractor. Specializing in Main Panel Upgrades,Commercial Lighting Systems, Electric Vehicle Chargers and more. Professionalism, Personal Service, and Attention to Detail is what sets us apart from the rest. Give us a call today.

"Great workmanship, honest and reliable. Quick service, Aaron gave us a price on a Monday and did work on a Thursday."

Lu Q on February 2020

Aaron's Electric is a Full Service Electrical Contractor serving all of Northern California. Clean, Neat Work, Aaron's Electric is YOUR local Electrical Contractor. Specializing in Main Panel Upgrades,Commercial Lighting Systems, Electric Vehicle Chargers and more. Professionalism, Personal Service, and Attention to Detail is what sets us apart from the rest. Give us a call today.

"Great workmanship, honest and reliable. Quick service, Aaron gave us a price on a Monday and did work on a Thursday."

Lu Q on February 2020


Avatar for Zarco's Electrical

Zarco's Electrical

4.63(
56
)
Approved Pro

Zarco's Electrical

4.63(
56
)
Approved Pro
Customers say: Quality work
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
29 years of experience

We take great pride in our experience, expertise, quality and customer service that we provide to meet the consumer's 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.

"I think my technician was Elvis not sure but he was cool, really quick and showed me where my power box is, he was great. Would definately request him again if nedded"

Karen S on August 2021

We take great pride in our experience, expertise, quality and customer service that we provide to meet the consumer's 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.

"I think my technician was Elvis not sure but he was cool, really quick and showed me where my power box is, he was great. Would definately request him again if nedded"

Karen S on August 2021


Avatar for Boost Electric, LLC

Boost Electric, LLC

4.96(
12
)
Approved Pro

Boost Electric, LLC

4.96(
12
)
Approved Pro
Customers say: Quick response
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
7 years of experience

Boost Electric LLC 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.

"Job was done quickly and efficiently."

Timothy W on April 2025

Boost Electric LLC 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.

"Job was done quickly and efficiently."

Timothy W on April 2025


Avatar for Bay Easy Construction

Bay Easy Construction

4.72(
116
)
Approved Pro

Bay Easy Construction

4.72(
116
)
Approved Pro
Super Service Award
Customers say: Quick response
20 years of experience
Free onsite estimate

With Bay Easy you can put your mind as ease knowing that true professionals will make reality of your constructional visions. We do it all from old remodeling projects to new construction. We believe that the communication between client and provider is key, and we are always available and quick to reply to any of your questions thoroughly, helping our customers to always maintain their comfortability and security about their project at all time. The customer will be fully covered with the implementation of a payment schedule, where the work is charged for by stages based on completed work. Bay Easy Construction has over a decade of experience and wisdom in the craft, and we provide a premium service to the highest of quality. We strive to be affordable and competitive in our pricing without compromising on the quality we provide. Count on us transform your dream home to a reality.

"Excellent work done by Jorge sent by Bay Easy Construction. Good communication, top class craftsmanship, professional and helpful. Definitely recommend for any household projects."

Siva R on November 2025

With Bay Easy you can put your mind as ease knowing that true professionals will make reality of your constructional visions. We do it all from old remodeling projects to new construction. We believe that the communication between client and provider is key, and we are always available and quick to reply to any of your questions thoroughly, helping our customers to always maintain their comfortability and security about their project at all time. The customer will be fully covered with the implementation of a payment schedule, where the work is charged for by stages based on completed work. Bay Easy Construction has over a decade of experience and wisdom in the craft, and we provide a premium service to the highest of quality. We strive to be affordable and competitive in our pricing without compromising on the quality we provide. Count on us transform your dream home to a reality.

"Excellent work done by Jorge sent by Bay Easy Construction. Good communication, top class craftsmanship, professional and helpful. Definitely recommend for any household projects."

Siva R on November 2025


"Fernando did an excellent job and I am keeping his contact info for future needs. He is very professional and shows up on time. He made wonderful suggestions on adding power for outdoor lighting and repair and improvement of a switch. Hi recommendation involved hiding the wiring by hooking the 2 devices up to a double switch on an inside wall. Other bidders suggested attaching almost 20 feet of wiring to the exterior of my house. He explained everything very clearly. He noticed an outdoor outlet that wasn't rain proof and suggested changing that out. Finally, his price was very fair and lower than other bids. I highly recommend FH Electric for any electric needs."

Barbara G on November 2024

FH Electric LLC. is here to help you with all your electrical needs big and small. We are licensed, skilled and easy to work with. Give us a call today. We look forward to working with you.

"Fernando did an excellent job and I am keeping his contact info for future needs. He is very professional and shows up on time. He made wonderful suggestions on adding power for outdoor lighting and repair and improvement of a switch. Hi recommendation involved hiding the wiring by hooking the 2 devices up to a double switch on an inside wall. Other bidders suggested attaching almost 20 feet of wiring to the exterior of my house. He explained everything very clearly. He noticed an outdoor outlet that wasn't rain proof and suggested changing that out. Finally, his price was very fair and lower than other bids. I highly recommend FH Electric for any electric needs."

Barbara G on November 2024

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Generator Install questions, answered by experts

In some situations, yes. Never try to put biofuel into any home generator without checking the specifics first. If a generator has the ability to run on diesel, it can also run pure biofuel (the clear kind made from seed oils, for example). But if you are using biofuel made from animal fats or vegetable oils, the generator will need significant modifications before it can handle a sludgier type of biofuel.

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

Natural gas and electricity rates vary significantly based on location, and pricing can change over time, too. It’s possible that in locations where natural gas is particularly inexpensive, it will cost less than grid-based electricity will. However, you should also factor in the generator’s initial costs and maintenance needs, as well as its noise level and if it can comfortably power all your home appliances.

Generator size requirements vary wildly among properties, but typical generator sizes are listed below based on home square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14kW

  • 2,500 sq ft: 12–16kW

  • 3,000 sq ft: 16–20kW+

Unfortunately, home square footage isn’t always a good indicator of generator size requirements. Instead, you should call in a professional to discuss which items in your home you’d like to run via your generator. They can calculate peak and average consumption for those items and then size your generator appropriately for optimal performance.

It’s usually better to repair your generator if it isn’t working properly, as it will typically be much more affordable and should yield similar results. Generator repairs cost around $300 on average, while installing a new whole-house generator costs around $5,000 on average. The only exception is if you know your generator is reaching the end of its useful life, usually between 30 and 40 years. If you have an older generator, you could face multiple repairs in the coming years, which might mean that a full replacement will be more cost-effective over time.

The Sebastopol, 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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