Top Heating & Furnace Contractors in San Francisco, CA
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Featured Service Pros
Areas Of Expertise: HVAC, Furnace Repair, AC Repair
"The two men who came out and fixed our furnace were on time and knowledgeable about covid-19 safety measures (greatly appreciated). They explained what was wrong with our furnace and gave us three options for repair. I would highly recommend them to others and will use them in the future if the need arises!"
Sherry S. in March 2020
Areas Of Expertise: Insulation
"We had the batts insulation installed in 2021. As well as the eco friendly radiant barrier which was suggested after researching we went with it. Wonderful recommendation from Attic Pros. Helps keep our home cooler in hot w weather as well as warmer in cold. The service comes with a warranty for Rat proofing. Recently we heard some potential rat noises from the attic. I called Attic Pros and was set up with an appointment for a technician to come and re check the work an seal off any potential areas of entry. They must have sent their best technician not only was he completely thorough as far as inspecting previous work and repairing anything that needed. He was very informative and courteous. We feel fortunate to have had Said sent to our home to do the work. As of now I couldnâ t me more pleased. If ever we need a service from attic pros. We will definitely request Said"
Dave O. in December 2022
Areas Of Expertise: Professional installation by experienced local contractors. A dedicated project coordinator will guide you every step of your project., Robust financing options and product selections to meet every budget, Manufacturer limited product warranty of up to 10 years (ask representative about written warranty details) , and 2 more
"Very professional And Timely courteous with both installation and removal of old boiler I would recommend them to anyone."
Otis C. in January 2023
Service Pros
Areas Of Expertise: Sewer Line Repair and Replacement, Sewer Video Inspection, Drain Cleaning , and 2 more
"Dennis Perez was amazing! He made a huge effort to get my furnace working as quickly as possible. He was easy to work with; efficient and honest. I very highly recommend this company for furnace repair."
Ann M. in December 2021
Areas Of Expertise: HVAC, Clean Indoor Air, Mini Splits , and 2 more
"We have an older furnace and the technician carefully checked that it was safe by examining the furnace interior with both video and CO analysis tools. Our furnace needed a new motor, which was ordered and installed, but the technician was careful to ensure that it was operating correctly. It was not, and he took the time to determine why the motor was operating incorrectly. He was able to fix it and our furnace was restored to good operating condition. We were very appreciative that Lunar was able to send the technician quickly whereas other larger companies would not send anyone for one or two weeks. That is too long to wait for a broken furnace during winter. Lunar came through and fixed our furnace!"
Stephen N. in December 2021
Areas Of Expertise: Additions and Remodels
"It was great working with Dream to Reality Remodeling Overall the experience was amazing. From start to finish it went smoothly. The final outcome was impressive. They Remodeled our kitchen and the before and after difference was out of this world."
Gannie M. in May 2021
Areas Of Expertise: HVAC
"I highly recommend the company, Reyes Heating & Air for servicing your furnace. Udiel returned my telephone call promptly and scheduled an appointment that accommodated my work schedule. The price he quoted for the total service of my heater was considerably less, when compared to other Marin heating companies. Udiel explained what tasks he did during a service call. Through a camera, he showed me areas of wear on my 25 year old, forced air heater that will need to be replaced sometime in the future. If you are looking for a friendly, trustworthy, professional heating and air company, please give a Reyes Heating & Air a call. I am very pleased with their service."
Karen S. in October 2019
Areas Of Expertise: Furnace Repair, Repair A/C Unit, Replace A/C Unit , and 2 more
"After being told by other companies that I needed to replace my 80-year-old gravity furnace (to the tune of $20, 000 I did not have), I finally called Empire. I know that old machines are simple with few parts and no electronics, so I quickly learned that few people know how to REPAIR not just install. They do both. Pavel has studied heating repair for over 2 years in addition to his practical experience. He came to SF within 24 hours and even returned without grumbling when I got stuck in a dog emergency. He was polite, efficient, was able to diagnose and already had all the parts to do the fix immediately. Heat pronto! He put everything back in place and charged a fair price. When I am ready to replace my furnace and water heater, based on attitude and workmanship, I will definitely use them. I had done homework on new furnaces, and the Bryant brand heater (same owner as Carrier) they install are among the highest rated; well beyond the Lennox partnered with Costco. As a senior, a woman of color and homeowner, I have been burned many times. If I realized Empire was around I could have been securely toasty months ago. Thank you, Pavel."
a H. in January 2019
Areas Of Expertise: AC Repair, HVAC, Furnace Repair
"The two men who came out and fixed our furnace were on time and knowledgeable about covid-19 safety measures (greatly appreciated). They explained what was wrong with our furnace and gave us three options for repair. I would highly recommend them to others and will use them in the future if the need arises!"
Sherry S. in March 2020
Areas Of Expertise: Air Conditioning - Repair, Replace or Installation, Heat Pump - Repair, Replace or Installation, Zone Systems , and 2 more
"I needed my old wall heater removed and they installed ducts and vents and the whole system. I was worried about any potential mess but that was unwarranted. They were so clean and neat, professional, courteous and easy to work with. They explained everything they were doing and showed my how to program my new thermostat. I'm very happy with Raul and his crew and highly recommend them."
Anna T. in April 2015
Areas Of Expertise: Exterior Building Lighting - Repair - For Business, Electrical Vehicle Charger Station Installation, Electrical for Home Addition or Remodel - Install , and 2 more
"Ross and partner were punctual and professional. They completed the installation in time quoted. They remedied the old bracket with a new one. They adjusted one screw hold of the light fixture."
Cristina W. in December 2019
Areas Of Expertise: Air Ducts & Vents - Clean, Central A/C - Install/ Service/Repair, Ducts & Vents - Install or Replace , and 1 more
"They did a good job on checking my furnace and changing my air filters. The only issue was that they arrived three hours later than they had stated on the phone."
Jeremiah W. in December 2021
Areas Of Expertise: HVAC, Bath Remodels, Doors and Windows , and 2 more
"Great experience with very professionals. From our very first meeting I felt confident that the job would be done efficiently. Very pleased and would highly recommend."
Yvonne S. in July 2021
Areas Of Expertise: Heating and AC
"My HVAC unit was 20 years old needed consistent repair, and my ducks where leaking. It was time for a new unit. I also wanted to relocate the condenser to improve my back yard space. I had gotten 4 quotes before someone referred me to http://www.aircmechanical.com/ Vitor was literally the first smart person to offer a quote. He suggested relocating the condenser to a side of the house and changing it to a suitcase type unit. He also came up with the creative solution of adding a 2nt inlet in another part of the house to reduce noise and improve airflow. The other contractors wanted to enlarge and or relocate the existing inlet which would have been an ugly mess. I now have an extremely efficient 2 stage unit installed correctly and he beat the other quotes. Entire product was completed in 2 days. I couldnâ t be happier."
Tom M. in February 2021
Areas Of Expertise: Bathroom Remodel, HVAC
"Thus company really cares about their customers and doing good work at fair prices. Adam goes the extra mile to make sure things are going well."
Chris R. in July 2017
Areas Of Expertise: HVAC REPAIR, FURNACE REPAIR, HVACSYSTEM INSTALL , and 6 more
"I highly recommend the service of MBD Same Day HVAC. The support I received was through and done in timely manner. I called requesting an a/c service because I had an issue with my unit, they came and solved the issue the same day. The specialist replaced the zoning control board and now itâ s working properly. The customer service was outstanding! I really appreciate their honest work."
Jenny P. in October 2022
Areas Of Expertise: San Rafael, HVAC, Novato
"Furnace replacement was excellently installed, and thus far has worked to perfection. I would highly recommend Red Mountain Heating and Air."
Terry S. in March 2022
Areas Of Expertise: AC Installs & Repairs, 24 Hour Emergency Service
"Can't say enough about the amount of work that had to be done that he had great knowledge to fix. Super great guy...honest, respectful, punctual, and more. Thank you Samuel for all you did for us! We will absolutely spread the word and ask for you again. What a blessing!"
Michelle J. in February 2023
In business since 2020
Areas Of Expertise: HVAC, General Contracting
About us: "With years of experience in the construction industry, we are the experts you need to take care of your home or business. We handle all of your general contracting and HVAC needs with great care. We will treat your home as we would treat our own. Give IY Development & Renovation, Inc. a call today, we look forward to working with you!"
In business since 1983
About us: "ALLIED HEATING & AIR CONDITIONING CO INC is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 35 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. Please feel free to contact us today!"
In business since 1992
Areas Of Expertise: Central Heating, All of your heating & cooling needs, Central A/C
About us: "Sears Home Services has helped consumers transform their homes for over 100 years. Trust our experts to replace, repair or maintain your heating and cooling systems. Right now, you can save $325 on a new HVAC purchase of $1,500 or more. Restrictions apply. And, if you need HVAC repair or maintenance, ask about our HVAC Savings Program. Every paid HVAC repair and maintenance service with Sears Home Services earns you dollar for dollar savings towards your next HVAC replacement, up to 10% of your new unit purchase price."
Areas Of Expertise: Plumbing
"I highly recommend this company!!! He responded within minutes of my searching for a plumber. He came the next day and installed a new tankless water heater. He also found a faulty electrical outlet and repaired it as well. Quality workmanship. I will keep his number. His name was Harry."
valerie A. in December 2022
Areas Of Expertise: Central AC-Install/Repair, HVAC Services
"Javier was very knowledgeable about our floor gas furnace which is actually installed in the crawlspace. We had a pilot light but could not get gas to it to light up and heat. He was the 3rd repair man who we called and the only one who knew about the reset button on the furnace!! He reset it and the furnace has worked perfectly since."
Brenda S. in November 2015
Areas Of Expertise: Heating & Cooling, HVAC, Insulation
"I would recommend them."
Shiri S. in October 2017
Areas Of Expertise: HVAC Maintenance, HVAC Service, HVAC Installation , and 1 more
"In midst of terrible storm wall gas heater broke. Called company and repairman arrived in 3 hours and quickly diagnosed broken thermostat and replaced it. He was very kind considerate and competent"
Jeoffry G. in January 2023
Out of Network Heating & Furnace Contractors in San Francisco, CA
- McKinny Heating & Cooling
3390 De La Cruz Blvd, Suite J
Santa Clara, CA 95054
- C.J.E. Heating and Air Conditioning
1165 Palomar Drive
Redwood City, CA 94062
- Bay Boiler
94 Wool St.
San Francisco, CA 94110
- Smelly Mel's Plumbing
300 Shaw Rd
South San Francisco, CA 94080
- Bay Hydronic, Inc.
P.O. Box 478
Sonoma, CA 95476
- James R. Pasley
571 Suite G, San Pablio Ave.
Rodeo, CA 94572
- B & B Plumbing & Installation
3629 San Leandro St
Oakland, CA 94601
- Taylor Electric
4653 Stauffer pl
Oakland, CA 94619
- Camon's Air Conditioning & Htg
2299 Meadowlark St
San Pablo, CA 94806
- S L MECHANICAL CONTRACTORS CO
422 Plymouth Ave
San Francisco, CA 94112
Frequently Asked Questions
What is a furnace?
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What is a furnace?
A furnace generates and distributes heated air throughout your home. A vital part of the heating, ventilation, and air conditioning (HVAC) system—though it does not cool air—you activate a furnace when you set or adjust the temperature in a room using the thermostat. Furnaces can run off natural gas, oil, electric, or propane.
How long does a furnace last?
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How long does a furnace last?
The average gas furnace lasts 15 to 20 years, though some electric furnaces can last 30 years or more.
- Gas furnace: 15–20 years
- Electric furnace: 20–30 years
- Oil furnace: 15–20 years
In addition to furnace type, your unit’s lifespan also depends on its size and the heating system you have—two-stage furnaces are more efficient and less likely to break than single-stage furnaces.
Having a reputable HVAC technician perform annual furnace maintenance and inspections can help ensure you get the most out of your unit. And, as always, change your filters regularly—a dirty filter can block airflow and overwork the motor.
How often should you change your furnace filter?
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How often should you change your furnace filter?
You should change your furnace filter every one to three months to help maintain air quality, keep energy costs in check, and extend your unit’s lifespan. If people in your home have dust or pet dander allergies, you may consider changing your filters more regularly. Looking for an even simpler guideline? If the filter is dirty, replace it.
How much does a new furnace cost?
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How much does a new furnace cost?
The average cost of a furnace unit is $2,300 to $7,200, plus $150 to $500 per hour for installation. Furnace replacement prices depend on the type of furnace you need, its size, and local labor costs.
- Gas: $3,800–$10,000
- Electric: $2,000–$7,000
- Oil: $6,750–$10,000
- Mini-Split: $2,000–$15,000
- Geothermal: $4,000–$17,000
If your furnace installation requires new gas lines or additional ductwork, add $250 to $800 for the gas lines and $3,00 to $5000 on average for the ductwork to your overall project costs.
Top Heating & Furnace Systems Projects
- Install a Geothermal Heating or Cooling System
- Install an Electrical Baseboard or Wall Heater
- Install a Radiant Floor Heating System
- Install or Replace a Boiler or Radiator Heating System
- Install or Replace a Heat Pump
- Install or Replace a Thermostat
- Install or Replace Ductless Mini-split Heating System
- Install or Replace Ductwork
- Install or Replace Furnace or Forced Air Heating System
- Repair an Electrical Baseboard or Wall Heater
- Repair or Reprogram a Thermostat
- Repair or Service a Boiler or Radiator Heating System
- Repair or Service a Heat Pump
- Repair or Service a Radiant Floor Heating System
- Repair or Service Furnace or Forced Air Heating System
- Repair Radiant Panel Heating Units
- Service a Geothermal Heating or Cooling System
HomeAdvisor Community Rating
San Francisco Heating & Furnace Contractors are rated 4.6 out of 5 based on 945 reviews of 25 pros.
The HomeAdvisor Community Rating is an overall rating based on verified reviews and feedback from our community of homeowners that have been connected with service professionals. See individual business pages for full, detailed reviews.
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Recent Job Requests for Heating & Furnace Contractors in San Francisco, CA
NewProject: Gas Furnace - Install Location: San Francisco, CADate: 03/05/23Nature of Project: Replace existing central heating systemAge of Heating Equipment: More than 20 yearsKind of Heating System: Natural gas firedLocation: Home/ResidenceDesired Completion Date: Within 1 weekRequest Stage: Ready to HireComment: Rental unit furnace replacement. Need affordable work-horse, long lasting, easy maintenance, easy repair. Apartment is 800 sq/ft, insulated. Need 40-45K BTU, 80% AFUE, sound is not an issue.NewProject: Gas Furnace - Repair Location: San Francisco, CADate: 03/04/23Current Heating System: Natural gas firedLocation: Home/ResidenceIs this an emergency?: NoDesired Completion Date: Timing is flexibleRequest Stage: Ready to HireComment: For about a week the furnace has been blowing cool air at the end of its cycle (more than usual) and this am it does not turn on at all.NewProject: Gas Furnace - Install Location: San Francisco, CADate: 03/04/23Nature of Project: Replace existing central heating systemAge of Heating Equipment: More than 20 yearsKind of Heating System: Natural gas firedLocation: Home/ResidenceDesired Completion Date: Timing is flexibleRequest Stage: Planning & BudgetingComment: Current furnace is Trane XE80NewProject: Electric Baseboard or Wall Heater Repair Location: San Francisco, CADate: 03/03/23Desired Completion Date: Within 1 weekRequest Stage: Ready to HireLocation: Home/ResidenceComment: ASAPNewProject: Gas Furnace - Install Location: San Francisco, CADate: 03/03/23Nature of Project: Replace existing central heating systemAge of Heating Equipment: More than 20 yearsKind of Heating System: Natural gas firedLocation: Home/ResidenceDesired Completion Date: Within 1 weekRequest Stage: Ready to HireComment: Try to start heater and if not fixable then quote a replacement similar to 80% eff, 70K BUT, 3.5ton or so. May need to bring up to code as current unit was installed in 1979NewProject: Gas Furnace - Repair Location: San Francisco, CADate: 03/02/23Current Heating System: Natural gas firedAge of Heating Equipment: More than 20 yearsLocation: Home/ResidenceIs this an emergency?: NoDesired Completion Date: Timing is flexibleRequest Stage: Planning & BudgetingProblem with Heating System: Annual/Preventative MaintenanceNewProject: Gas Furnace - Repair Location: San Francisco, CADate: 03/02/23Desired Completion Date: Within 1 weekRequest Stage: Ready to HireLocation: Home/ResidenceIs this an emergency?: NoCurrent Heating System: Natural gas firedComment: General maintenance and clean furnaceNewProject: Gas Boiler or Radiator Heat Repair Location: San Francisco, CADate: 03/02/23Type of system: Natural gas firedLocation: Home/ResidenceRequest Stage: Ready to HireIs this an emergency?: NoDesired Completion Date: Timing is flexibleNewProject: Gas Furnace - Install Location: San Francisco, CADate: 03/02/23Nature of Project: Replace existing central heating systemAge of Heating Equipment: Don't KnowKind of Heating System: Natural gas firedLocation: Home/ResidenceDesired Completion Date: Timing is flexibleRequest Stage: Ready to HireComment: I want an estimateNewProject: Gas Furnace - Repair Location: San Francisco, CADate: 03/01/23Current Heating System: Natural gas firedLocation: Home/ResidenceIs this an emergency?: NoDesired Completion Date: Timing is flexibleRequest Stage: Ready to HireNewProject: Gas Furnace - Repair Location: San Francisco, CADate: 03/01/23Current Heating System: Natural gas firedLocation: Home/ResidenceIs this an emergency?: NoDesired Completion Date: Timing is flexibleRequest Stage: Ready to HireNewProject: Gas Furnace - Repair Location: San Francisco, CADate: 03/01/23Desired Completion Date: Timing is flexibleRequest Stage: Ready to HireLocation: Home/ResidenceIs this an emergency?: NoCurrent Heating System: Natural gas firedNewProject: Radiant Floor Heat Install Location: San Francisco, CADate: 03/01/23Current System: Radiant heat inside the floor - indoorsNew or replacement?: Installing new systemNumber of rooms to be heated: 2 - 5Desired Completion Date: 1 - 2 weeksRequest Stage: Ready to HireComment: Have a 1000 square foot cottage which has tile floors. We have good accessibility under floor in basement. Would like to install gas powered raidiant floor piping under entire cottage with multiple zones. There is two bedrooms, bath and kitchen attached to living room.NewProject: Gas Furnace - Repair Location: San Francisco, CADate: 03/01/23Current Heating System: Natural gas firedAge of Heating Equipment: 5 - 10 yearsLocation: Home/ResidenceIs this an emergency?: NoDesired Completion Date: Within 1 weekRequest Stage: Ready to HireProblem with Heating System: Nothing happens when it's turned onComment: The furnace does not turn on.NewProject: Heat Pump Install Location: San Francisco, CADate: 03/01/23Install or Replace: Installing newHeating System Type: Gas-fired forced air (central heating)Heat pump type wanted: Air sourceLocation: Home/ResidenceDesired Completion Date: Timing is flexibleRequest Stage: Planning & BudgetingNewProject: Gas Furnace - Install Location: San Francisco, CADate: 03/01/23Kind of Heating System: Want RecommendationLocation: Home/ResidenceDesired Completion Date: Within 1 weekRequest Stage: Ready to HireComment: The existing one is an old gas wall heater. Thinking of change to an electric oneNewProject: Gas Furnace - Repair Location: San Francisco, CADate: 03/01/23Current Heating System: Natural gas firedAge of Heating Equipment: 5 - 10 yearsLocation: Home/ResidenceIs this an emergency?: NoDesired Completion Date: Within 1 weekRequest Stage: Planning & BudgetingProblem with Heating System: No heat in all locationsComment: tell me moreNewProject: Gas Furnace - Repair Location: San Francisco, CADate: 02/28/23Current Heating System: Natural gas firedAge of Heating Equipment: 16 - 20 yearsLocation: Home/ResidenceIs this an emergency?: NoDesired Completion Date: Within 1 weekRequest Stage: Ready to HireProblem with Heating System: Annual/Preventative MaintenanceComment: I need a heating company to inspect existing furnaces and report condition and recommend solutions. These are two rental properties with a total of 11 units. One does need a heater/furnace installed as they do not have one now.NewProject: Heat Pump Install Location: San Francisco, CADate: 02/28/23Install or Replace: Installing newHeating System Type: Gas-fired forced air (central heating)Heat pump type wanted: Want recommendationLocation: Home/ResidenceDesired Completion Date: Timing is flexibleRequest Stage: Planning & BudgetingComment: We have a Furnace in our attic with ducts that go down to the rest of the house. Both the furnace and the ducts are taking up really valuable space that we would like to convert into living space. So we are looking for a wholistic estimate that would cover install of an outdoor heat pump and whatever appropriate venting or mini-splits would be neccesaryNewProject: Gas Boiler or Radiator Heat Install Location: San Francisco, CADate: 02/28/23Additional thermostats: NoType of system: Natural gas firedLocation: Home/ResidenceDesired Completion Date: Within 1 weekRequest Stage: Ready to Hire