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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon287
    Verified heating oil services reviews

Find Heating oil pros in Fremont

Avatar for Bell Brothers Plumbing Heating & Air

Bell Brothers Plumbing Heating & Air

4.66(
387
)
Approved Pro

Bell Brothers Plumbing Heating & Air

4.66(
387
)
Approved Pro
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
58 local quotes requested

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.

"Called this company for their $77 dollar, which they advertised with a flyer, for a tune-up and cleaning for my heating system. They are a Hayward company and I was told that our Castro Valley home was not in their service area. I bet if I called to buy a new heater they would be out in a day."

Gregory O on March 2023

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.

"Called this company for their $77 dollar, which they advertised with a flyer, for a tune-up and cleaning for my heating system. They are a Hayward company and I was told that our Castro Valley home was not in their service area. I bet if I called to buy a new heater they would be out in a day."

Gregory O on March 2023


Avatar for Aire Serv of Campbell & Saratoga

Aire Serv of Campbell & Saratoga

4.91(
11
)
Approved Pro

Aire Serv of Campbell & Saratoga

4.91(
11
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
454 local quotes requested

Looking for reliable Heating & A/C services in the BAY Area and surrounding counties? Look no further than Aire Serv of Campbell & Saratoga. Our team of experts is here to assist you with all your heating and A/C needs. With our exceptional service and attention to detail, we are dedicated to providing the best solutions for all your needs. Contact us today!

"Very well!"

Sanjeev G on September 2025

Looking for reliable Heating & A/C services in the BAY Area and surrounding counties? Look no further than Aire Serv of Campbell & Saratoga. Our team of experts is here to assist you with all your heating and A/C needs. With our exceptional service and attention to detail, we are dedicated to providing the best solutions for all your needs. Contact us today!

"Very well!"

Sanjeev G on September 2025


Avatar for Upgrade Home Services

Upgrade Home Services

5.00(
3
)
Approved Pro

Upgrade Home Services

5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
27 local quotes requested

Upgrade Home Services stands out because we're a family-owned and operated business with deep local roots in Milpitas and the surrounding areas since 2002. We started as All Heating and Air Conditioning and grew to offer a wider range of home services, always focusing on what matters most: your family's comfort, safety, and energy efficiency. We combine our decades of community trust with a commitment to high-quality solutions, like our partnership with Carrier, to ensure you get top-performing equipment and exceptional service. From routine maintenance to emergency replacements and new installations, we go above and beyond to meet your general home needs. Experience the Upgrade Home Services difference – where family values meet comprehensive home expertise.

"On-time, professional work"

Deepak V on March 2024

Upgrade Home Services stands out because we're a family-owned and operated business with deep local roots in Milpitas and the surrounding areas since 2002. We started as All Heating and Air Conditioning and grew to offer a wider range of home services, always focusing on what matters most: your family's comfort, safety, and energy efficiency. We combine our decades of community trust with a commitment to high-quality solutions, like our partnership with Carrier, to ensure you get top-performing equipment and exceptional service. From routine maintenance to emergency replacements and new installations, we go above and beyond to meet your general home needs. Experience the Upgrade Home Services difference – where family values meet comprehensive home expertise.

"On-time, professional work"

Deepak V on March 2024


Avatar for Tyndall HVAC Inc.

Tyndall HVAC Inc.

4.50(
20
)
Approved Pro

Tyndall HVAC Inc.

4.50(
20
)
Approved Pro
Customers say: Super punctual
36 local quotes requested
21 years of experience

Tyndall HVAC is founded on principles of quality and integrity, boasting an impressive legacy that spans over 25 years. At the heart of our operations lies a steadfast commitment to excellence, a guiding principle that influences every aspect of our service, from the initial consultation to the finalization of each project. Our primary goal is to enhance homeowners' and business proprietors' living and working environments, ensuring their utmost comfort and satisfaction. We pride ourselves on our transparent and fair pricing model, which features a flat-rate system to eliminate the possibility of unforeseen expenses. At Tyndall HVAC, we offer complimentary, no-obligation proposals for new installations, affirming our position as a trusted and reliable partner in HVAC solutions.

"It was good. They were clean, fast, professional, and the price was pretty fair."

Patrick K on August 2019

Tyndall HVAC is founded on principles of quality and integrity, boasting an impressive legacy that spans over 25 years. At the heart of our operations lies a steadfast commitment to excellence, a guiding principle that influences every aspect of our service, from the initial consultation to the finalization of each project. Our primary goal is to enhance homeowners' and business proprietors' living and working environments, ensuring their utmost comfort and satisfaction. We pride ourselves on our transparent and fair pricing model, which features a flat-rate system to eliminate the possibility of unforeseen expenses. At Tyndall HVAC, we offer complimentary, no-obligation proposals for new installations, affirming our position as a trusted and reliable partner in HVAC solutions.

"It was good. They were clean, fast, professional, and the price was pretty fair."

Patrick K on August 2019


Avatar for Albert Nahman Plumbing, Heating, and Cooling

Albert Nahman Plumbing, Heating, and Cooling

4.45(
686
)
Approved Pro

Albert Nahman Plumbing, Heating, and Cooling

4.45(
686
)
Approved Pro
Customers say: Super punctual
879 local quotes requested
44 years of experience

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!

"The plumbing technicians came out as promised to assess the leak. They were both very courteous and kind and assessed the damage. I am giving three stars because they estimated the cost to be almost 250% higher than what the actual cost was to fix the issue. I am sure there are customers out there that would just accept any bid however, please get multiple beds for these projects, especially when working with this company as they will inflate the cost to take advantage of the situation. I ended up only paying for the $79 estimate."

Kevin C on September 2025

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!

"The plumbing technicians came out as promised to assess the leak. They were both very courteous and kind and assessed the damage. I am giving three stars because they estimated the cost to be almost 250% higher than what the actual cost was to fix the issue. I am sure there are customers out there that would just accept any bid however, please get multiple beds for these projects, especially when working with this company as they will inflate the cost to take advantage of the situation. I ended up only paying for the $79 estimate."

Kevin C on September 2025


Avatar for Service Champions Heating & Air Conditioning

Service Champions Heating & Air Conditioning

4.71(
619
)
Approved Pro

Service Champions Heating & Air Conditioning

4.71(
619
)
Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
566 local quotes requested

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.

"The technicians, Chris F, Tyler H and Christian C, were friendly and personable. Great job on my new water heater! Chris got me 18 month financing with no interest. I would definitely use them again!"

Cindy F on June 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.

"The technicians, Chris F, Tyler H and Christian C, were friendly and personable. Great job on my new water heater! Chris got me 18 month financing with no interest. I would definitely use them again!"

Cindy F on June 2025



Avatar for Duran HVAC inc

Duran HVAC inc

5.00(
8
)

Duran HVAC inc

5.00(
8
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Duran HVAC, inc. is committed to providing quality work in heating, and cooling services to the South Bay, and surrounding area. From a small routine maintenance to a complete new install our service, and install technicians are ready to provide excellent service and address any needs of your indoor comfort.

"Tony and his team from Duran HVAC are the A team!! I give them an A++ on their work for us. Tony came out and has very helpful in thinking about the overall job, and we discussed options. His team led by Paul then came out and completed all the work described above in 4 days. Tony came by and checked on the work progress as well. This team is so skilled at what they do, they are a pleasure to work with, very careful with tarps and cleaning up each day, and the work has been completely superbly! They tested the system at the end of the last day and showed me how to program the two thermostats. They are the best! This is the beginning of an excellent long-term customer-service relationship. I will definitely be asking them to come back and handle the yearly maintenance checks of the systems. It is wonderful to find a team you know are highly competent, reliable, and great to work with! I highly recommend them to others! Do yourself a favor and call Tony at Duran HVAC now! You'll be very happy you did!"

Clare-Marie K on November 2020

Duran HVAC, inc. is committed to providing quality work in heating, and cooling services to the South Bay, and surrounding area. From a small routine maintenance to a complete new install our service, and install technicians are ready to provide excellent service and address any needs of your indoor comfort.

"Tony and his team from Duran HVAC are the A team!! I give them an A++ on their work for us. Tony came out and has very helpful in thinking about the overall job, and we discussed options. His team led by Paul then came out and completed all the work described above in 4 days. Tony came by and checked on the work progress as well. This team is so skilled at what they do, they are a pleasure to work with, very careful with tarps and cleaning up each day, and the work has been completely superbly! They tested the system at the end of the last day and showed me how to program the two thermostats. They are the best! This is the beginning of an excellent long-term customer-service relationship. I will definitely be asking them to come back and handle the yearly maintenance checks of the systems. It is wonderful to find a team you know are highly competent, reliable, and great to work with! I highly recommend them to others! Do yourself a favor and call Tony at Duran HVAC now! You'll be very happy you did!"

Clare-Marie K on November 2020


Avatar for Giant HVAC, Inc

Giant HVAC, Inc

4.94(
18
)

Giant HVAC, Inc

4.94(
18
)
Customers say: Quick response
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers

Giant HVAC is the Bay Area's premier Heating and AC company. Owner operated by a family man, we stand tall to ensure you and your family stay comfortable. With more that 18 yrs of experience in the HVAC industry and as an HVAC energy inspector, we are really proud to provide quality services and installation. Our specialties include: -Free Estimates -Heating and AC Installation -Service and Repair -Duct Leakage Experts

"Very pleased"

Richard R on June 2024

Giant HVAC is the Bay Area's premier Heating and AC company. Owner operated by a family man, we stand tall to ensure you and your family stay comfortable. With more that 18 yrs of experience in the HVAC industry and as an HVAC energy inspector, we are really proud to provide quality services and installation. Our specialties include: -Free Estimates -Heating and AC Installation -Service and Repair -Duct Leakage Experts

"Very pleased"

Richard R on June 2024


eros heating

5.00(
1
)

eros heating

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

Welcome to E H C Eros Heating and Cooling! We are California's premier professional heating and air conditioning contractor offering the highest quality and most attentive customer service. We are known to pay exquisite attention to detail while making customer satisfaction our number one priority. Please call us today to schedule your appointment! We are bonded and insured.

Welcome to E H C Eros Heating and Cooling! We are California's premier professional heating and air conditioning contractor offering the highest quality and most attentive customer service. We are known to pay exquisite attention to detail while making customer satisfaction our number one priority. Please call us today to schedule your appointment! We are bonded and insured.

Showing 1-10 of 18
Heating Oil questions, answered by experts

NATE-certified technicians may charge slightly higher service fees compared to non-certified technicians. This is because NATE certification signifies a higher level of expertise and professionalism, often leading to more efficient and effective HVAC repairs and installations. While the upfront cost may be marginally higher, NATE-certified technicians can potentially save you money in the long run by reducing energy consumption, preventing frequent breakdowns, and extending the life span of your HVAC system. When looking for a local HVAC company to hire, it never hurts to ask about NATE certifications.

Your HVAC manufacturer will give you instructions on how often you should service your system. Have your unit professionally serviced at least once a year when in doubt. 

Heat pump systems are different because they provide heating and cooling solutions for your home. In this case, you should have it serviced at least twice a year.

Leaks, poor airflow, reduced efficiency, and loop blockages are common problems requiring service.

There are several common types of HVAC systems that you may have, including split systems, hybrid HVAC, duct-free systems, packaged heating and air, geothermal heating, or even portable units for heating or cooling. If you aren’t sure which type is in your home or are looking to install something different, you should consult an HVAC pro to determine which option is right for your heating and cooling needs.

HVAC systems usually last between 10 and 30 years, with most having a lifespan of around 20 years. Factors that impact a unit’s life expectancy include which brand you choose, how often you use it, and how well you maintain it. To make sure yours lasts as long as possible, make sure to keep it clean and schedule an annual service with an HVAC technician.

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