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TRUSTED BY CASTRO VALLEY, CA HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon255
    Verified heating and air conditioning services reviews

Find Heating and air conditioning pros in Castro Valley

Avatar for RC&G Handyman Services

RC&G Handyman Services

4.98(
208
)
Approved Pro

RC&G Handyman Services

4.98(
208
)
Approved Pro
Customers say: Super punctual
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
16 years of experience

RC&G is an acronym - it stands for "Richard, Charlene, and the Girls", because it's a great reminder of what I'm working for. I'm Richard and my wife and daughters are the most important thing in the world to me. Also hugely important to me is doing great work in my business as a handyman. I've always been mechanically inclined and good at fixing whatever's broken. With decades of experience, now I'm truly a master handyman. Whatever you need, I'm here to get it done. I respond quickly to contacts and give an accurate estimate. Then I arrive as scheduled, do the job right, and leave your house as clean as I found it. I'm looking forward to meeting you!

"Richard was friendly and kind. He installed our blinds, helped clear our sink, fixed our screen door, and assessed our TV mount— all in an hour. We’d love to work with RC&G. As someone with mini houses fixes and projects it can be intimidating to ask for help, but RC&G showed us most things are fixable."

Sigourney T on November 2025

RC&G is an acronym - it stands for "Richard, Charlene, and the Girls", because it's a great reminder of what I'm working for. I'm Richard and my wife and daughters are the most important thing in the world to me. Also hugely important to me is doing great work in my business as a handyman. I've always been mechanically inclined and good at fixing whatever's broken. With decades of experience, now I'm truly a master handyman. Whatever you need, I'm here to get it done. I respond quickly to contacts and give an accurate estimate. Then I arrive as scheduled, do the job right, and leave your house as clean as I found it. I'm looking forward to meeting you!

"Richard was friendly and kind. He installed our blinds, helped clear our sink, fixed our screen door, and assessed our TV mount— all in an hour. We’d love to work with RC&G. As someone with mini houses fixes and projects it can be intimidating to ask for help, but RC&G showed us most things are fixable."

Sigourney T on November 2025


Avatar for DUKES HEATING & AIR CONDITIONING

DUKES HEATING & AIR CONDITIONING

4.89(
127
)
Approved Pro

DUKES HEATING & AIR CONDITIONING

4.89(
127
)
Approved Pro
Customers say: True professional
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
21 years of experience

Dukes Heating & Air Conditioning is in HVAC business for 37 years now and continuously remains on the top of the industry. We do this by providing honesty and good workmanship that our customers love the most. We- Dukes Heating & Air Conditioning , also make sure that we have the latest technology that enables us to be more competitive & expert in the field and stand behind any work we have performed. Our in-house employees are all professionally trained and deliver only excellence to whatever project they work on.

"Great service"

Noah H on October 2023

Dukes Heating & Air Conditioning is in HVAC business for 37 years now and continuously remains on the top of the industry. We do this by providing honesty and good workmanship that our customers love the most. We- Dukes Heating & Air Conditioning , also make sure that we have the latest technology that enables us to be more competitive & expert in the field and stand behind any work we have performed. Our in-house employees are all professionally trained and deliver only excellence to whatever project they work on.

"Great service"

Noah H on October 2023


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 Bell Brothers Plumbing Heating & Air

Bell Brothers Plumbing Heating & Air

4.79(
357
)
Approved Pro

Bell Brothers Plumbing Heating & Air

4.79(
357
)
Approved Pro
Customers say: Super punctual
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
72 years of experience

We are locally owned and operated, and serving the Bay Area. Our focus is residential air conditioning, heating, Installation of HVAC systems and full-service plumbing. We love working with homeowners and helping to take care of their precious homes. We also keep busy doing light commercial service. Serving California since 1954, financing options available, We don't charge extra for Saturday service calls.

"They were very good. The best."

Nabila S on June 2022

We are locally owned and operated, and serving the Bay Area. Our focus is residential air conditioning, heating, Installation of HVAC systems and full-service plumbing. We love working with homeowners and helping to take care of their precious homes. We also keep busy doing light commercial service. Serving California since 1954, financing options available, We don't charge extra for Saturday service calls.

"They were very good. The best."

Nabila S on June 2022


Avatar for Real Handy Handyman

Real Handy Handyman

5.00(
34
)
Approved Pro

Real Handy Handyman

5.00(
34
)
Approved Pro
Customers say: Quick response
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
7 years of experience

We have a 10 year experience in Handyman work, serving all around the bay area. We will always put in all our effort to give our costumers 100% satisfaction. We like to build good relationships with our customers. We do free estimates with no obligation to proceed.

"Kevin is not only professional, he is also honest in his work. He changed the mesh screens on all of my windows. He refused to charge me for one that he fixed in a few minutes. Honesty and professionalism is an essential trait to have in his line of work. This happy customer recommends him for all of your handy-man needs and will definitely be using his services again!"

Maria C on December 2025

We have a 10 year experience in Handyman work, serving all around the bay area. We will always put in all our effort to give our costumers 100% satisfaction. We like to build good relationships with our customers. We do free estimates with no obligation to proceed.

"Kevin is not only professional, he is also honest in his work. He changed the mesh screens on all of my windows. He refused to charge me for one that he fixed in a few minutes. Honesty and professionalism is an essential trait to have in his line of work. This happy customer recommends him for all of your handy-man needs and will definitely be using his services again!"

Maria C on December 2025


Avatar for Global Comfort Heating and Air

Global Comfort Heating and Air

4.85(
48
)
Approved Pro

Global Comfort Heating and Air

4.85(
48
)
Approved Pro
Customers say: Quality work
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
17 years of experience

We are a family owned full service heating and air conditioning company. We pride ourselves on delivering professional service to our clients. We are experts in all areas of heating and cooling installation and repair. There is no job to big or to small so please give us a call!

"Prompt response and prompt arrival. Reviewed the issue and came up with solution and put that solution into action. Expensive but worth it."

Lindy S on December 2025

We are a family owned full service heating and air conditioning company. We pride ourselves on delivering professional service to our clients. We are experts in all areas of heating and cooling installation and repair. There is no job to big or to small so please give us a call!

"Prompt response and prompt arrival. Reviewed the issue and came up with solution and put that solution into action. Expensive but worth it."

Lindy S on December 2025


Avatar for Albert Nahman Plumbing, Heating, and Cooling

Albert Nahman Plumbing, Heating, and Cooling

4.64(
620
)
Approved Pro

Albert Nahman Plumbing, Heating, and Cooling

4.64(
620
)
Approved Pro
Customers say: Super punctual
45 years of experience
Warranties offered

Albert Nahman Services was founded in 1981 and has been serving Berkeley, CA and it surrounding areas in all their plumbing and HVAC needs. Each of our technicians went through rigorous training so we can guarantee that you will be receiving the proper service. We are also insured and supply a warranty for our parts for five years and up to twenty years on an re-piping or sewer replacement. Call us now to make your appointment!

"Well done. "

James B on January 2026

Albert Nahman Services was founded in 1981 and has been serving Berkeley, CA and it surrounding areas in all their plumbing and HVAC needs. Each of our technicians went through rigorous training so we can guarantee that you will be receiving the proper service. We are also insured and supply a warranty for our parts for five years and up to twenty years on an re-piping or sewer replacement. Call us now to make your appointment!

"Well done. "

James B on January 2026


Avatar for Smart Heating and Air Conditioning, Inc.

Smart Heating and Air Conditioning, Inc.

5.00(
12
)
Approved Pro

Smart Heating and Air Conditioning, Inc.

5.00(
12
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
5 years of experience

Smart Heating and Air Conditioning has what you need when it comes to AC Repair and Furnace Repair, with over 20+ years of experience. From small to large A/C Repair or Furnace Repair to routine maintenance, Smart Heating and Air Conditioning specializes in repair, service and maintenance of your home's Central Heating & Cooling, Ductwork, or Indoor Air Quality / Filtration. Not to mention Smart HVAC excellent equipment replacement and installations. Cities we service throughout Contra Costa and Alameda County include: Alameda, Alamo, Antioch, Berkeley, Brentwood, Clayton, Clyde, Concord, Danville, Diablo, Discovery Bay, Dublin, El Cerrito, Hayward, Hercules, Kensington, Lafayette, Livermore, Martinez, Montclair, Moraga, Oakland, Oakley, Orinda, Piedmont, Pittsburg, Pleasant Hill, Pleasanton, Rossmoor, San Ramon, San Leandro and Walnut Creek, CA. Call today for your free estimate on equipment.

"Review I left on Google. We had an amazing experience with Smart Heating and Air Conditioning. Our tech, Juan, was on time, courteous and knowledgeable. He fixed the problem quickly and offered expert assistance in setting up an ongoing maintenance plan for our 35+ year old furnace. Also, he was engaging, and focused on the customer experience. You’ve got a great employee in Juan Rodriguez Pinto. He made me want to be a recurring costumer to your business. Which, as a person who works in costumer service myself, is the highest praise I can give. In fact, the entire process for our service was seamlessly executed. From reaching out through Angi, to communications with Suzy in the office, all the way to a working furnace. It all added to a perfect customer experience. Thanks "

James S on November 2025

Smart Heating and Air Conditioning has what you need when it comes to AC Repair and Furnace Repair, with over 20+ years of experience. From small to large A/C Repair or Furnace Repair to routine maintenance, Smart Heating and Air Conditioning specializes in repair, service and maintenance of your home's Central Heating & Cooling, Ductwork, or Indoor Air Quality / Filtration. Not to mention Smart HVAC excellent equipment replacement and installations. Cities we service throughout Contra Costa and Alameda County include: Alameda, Alamo, Antioch, Berkeley, Brentwood, Clayton, Clyde, Concord, Danville, Diablo, Discovery Bay, Dublin, El Cerrito, Hayward, Hercules, Kensington, Lafayette, Livermore, Martinez, Montclair, Moraga, Oakland, Oakley, Orinda, Piedmont, Pittsburg, Pleasant Hill, Pleasanton, Rossmoor, San Ramon, San Leandro and Walnut Creek, CA. Call today for your free estimate on equipment.

"Review I left on Google. We had an amazing experience with Smart Heating and Air Conditioning. Our tech, Juan, was on time, courteous and knowledgeable. He fixed the problem quickly and offered expert assistance in setting up an ongoing maintenance plan for our 35+ year old furnace. Also, he was engaging, and focused on the customer experience. You’ve got a great employee in Juan Rodriguez Pinto. He made me want to be a recurring costumer to your business. Which, as a person who works in costumer service myself, is the highest praise I can give. In fact, the entire process for our service was seamlessly executed. From reaching out through Angi, to communications with Suzy in the office, all the way to a working furnace. It all added to a perfect customer experience. Thanks "

James S on November 2025


Avatar for Fix and Forget Handyman Services

Fix and Forget Handyman Services

5.00(
11
)
Approved Pro

Fix and Forget Handyman Services

5.00(
11
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
4 years of experience

We have the experience and dedication to get the job done right! Specializing in handyman services; We guarantee your satisfaction, and we won't leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Call or click for your FREE estimate today!

"Absolutely excellent work. Professionally detailed work, genuine conversations and responsive. Work performed looks and functions great!"

Joseph J on November 2025

We have the experience and dedication to get the job done right! Specializing in handyman services; We guarantee your satisfaction, and we won't leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Call or click for your FREE estimate today!

"Absolutely excellent work. Professionally detailed work, genuine conversations and responsive. Work performed looks and functions great!"

Joseph J on November 2025


Avatar for Elite Heating and Air LLC

Elite Heating and Air LLC

5.00(
12
)
Approved Pro

Elite Heating and Air LLC

5.00(
12
)
Approved Pro
10 years of experience
Free onsite estimate

Elite Heating and Air LLC is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands-on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Here at Elite we stand behind quality workmanship,Please feel free to contact us today! Ask about our Daikin Inverter systems they come backed with a 12 year unit replacement warranty when installed by a Daikin comfort pro!

"THEY DID A GREAT JOB NEEDED NEW DRYER VENT AND LEAKING WASHER THEY DID EXTRA THEY ARE AMAZING IM ELDERLY. HE DID WORK "

Richard R on December 2025

Elite Heating and Air LLC is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands-on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Here at Elite we stand behind quality workmanship,Please feel free to contact us today! Ask about our Daikin Inverter systems they come backed with a 12 year unit replacement warranty when installed by a Daikin comfort pro!

"THEY DID A GREAT JOB NEEDED NEW DRYER VENT AND LEAKING WASHER THEY DID EXTRA THEY ARE AMAZING IM ELDERLY. HE DID WORK "

Richard R on December 2025

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Heating and Air Conditioning questions, answered by experts

No, heat pump maintenance needs are very similar to air conditioners, including keeping outdoor units clean, changing filters regularly, and occasionally scheduling a refrigerant check to see if any has leaked out. Heat pumps typically switch automatically between heating and cooling, so you don’t need to worry about manually changing them every season. However, since they are always on call, they can develop wear and tear faster than an air conditioner.

Installing a new AC unit costs $5,850 on average, but costs vary by the make and model, unit size, and unit type. Portable and window AC units cost between $90 and $550, which is significantly less than central or ductless AC systems. You’ll also have to pay for labor.

There are a few reasons your AC is running but not cooling your room. Thermostat issues and dust and debris, which can clog your system, are common problems. It could also be a broken component, such as a compressor, blower fan, or evaporator coils. You’ll need to call a pro to diagnose the issue.

A new HVAC unit typically adds about $2,500 to $3,000 to the value of your home or about 5% to 7% of your home’s value. Since a new unit can cost up to or more than $10,000 to install, it’s up to you to decide if the upfront cost is worth the added value. Consult a local AC installer to determine next steps.

If you’re planning an AC replacement, choosing an AC with a higher SEER rating may save you money in the long run. Tax credits could cover as much as 30% of the job, and you’ll notice smaller utility bills (particularly if you live in a hot climate where you need to constantly run the AC). Generally, you can expect to pay between $350 and $1,500 for each SEER rating increase. Weigh the cost against your typical utility bill to figure out what’s worth it to you.

The Castro Valley, CA homeowners’ guide to heating and air conditioning services

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

What do you need done? We’ll find top pros.
  • 🌱 "Mow a small front yard"
  • 🛠 "Fix a leaking pipe under the sink"
  • 🏠 "Repair shingles on an asphalt roof"