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Find Air conditioning pros in San Francisco

Avatar for Global Green Solutions
Global Green Solutions
5.0(
248
)

Serving San Francisco, CA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Very happy with the new installation, replacement, and repair services for heating and air conditioning! The technicians were courteous, well-informed, and on time. They promptly resolved the problem and provided comprehensive explanations. A truly professional and trustworthy crew. Strongly suggested!"
Additional Photos
Additional Photos
Additional Photos
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Additional Photos

+24

Response time3 days
10 neighbors recently requested a quote
Recommended by7%of homeowners
Avatar for Global Comfort Heating and Air
Global Comfort Heating and Air
4.8(
52
)

Serving San Francisco, CA and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"To start, I put in for an emergency call to Freschi and was told they would call me 30 minutes before. They never called me back. Freschi sucks!!!I I also put in a request on HomeAdvisor on Thursday night and was given Global Warming Heating and Air as one of their verified contractors. I got a call at 7am from Rudy. I called back around 830am and we made an appointment for 1130am. He showed up at 1105am and quickly diagnosed the problem. He recommended replacing the furnace(which houses the blower assembly) due to the cost of repairs and its 17 year old condition. He didn t try to up sell me for an entire new system. He said my AC is working well so there s no need to replace it. I decided to replace the furnace and he said he d be back around 130pm. Rudy and his crew were back by 1pm. From the start of demo to it running again was less than 2 hours. Rudy s customer service is top notch!! From now on, I will only be calling Global Warming Heating and Air. I can t say enough good things about Rudy s business ethics and timeliness. A+++++"
Team Global Comfort Truck
Carrier Heater Changeout
Duct Install securing runs
Duct Install securing runs
Carrier 95% Installation

+9

Response time50 mins
Response rate94%
4 neighbors recently requested a quote
Avatar for Aire Serv of Campbell & Saratoga
Aire Serv of Campbell & Saratoga
4.9(
21
)

Serving San Francisco, CA and surrounding areas

Approved

Super Service Award Winner

In business since 1991

Free estimates

Emergency services offered

"Aire Systems of Campbell and Saratoga truly sets the standard for exceptional service in the HVAC industry. Alton, the owner, went above and beyond to ensure I understood every aspect of the process, from selecting the right system for my small home to navigating available rebate programs. His expertise and dedication to customer satisfaction stood out as he guided me through the rebates step by step, emphasizing how beneficial they are despite the effort required. What really impressed me was Alton’s commitment to follow through—he’s not just selling systems, he’s supporting his customers well beyond installation. Daniel, the team lead installer, was equally remarkable. Always punctual and professional, he demonstrated a level of care that extended beyond the job itself. He kept me informed daily, explaining what was being done, what to expect next, and how long it would take. Knowing I had to leave for work, Daniel kindly spent time with my dogs, making sure they felt at ease while he worked. It’s rare to find a company that combines technical expertise with such personal care. Aire Systems, with Alton and Daniel at the helm, earns my highest recommendation!"
Furnace install
Heat Pump - Condo Install
Heating & A/C Project
Water Heater Replacement
System Swap Out

+58

113 neighbors recently requested a quote
Recommended by57%of homeowners
Avatar for Albert Nahman Plumbing, Heating, and Cooling
Albert Nahman Plumbing, Heating, and Cooling
4.4(
717
)

Serving San Francisco, CA and surrounding areas

Approved (Corporate)

In business since 1981

Free estimates

Warranties offered

"Responsive service; on time; reasonable arrival window (meaning I didn't have to wait around for 4 hours!). Super nice technicians. Good solutions that make sense to the average homeowner. No up selling to things you really don't need. They just assess the problem and fix it. Right on time in the agreed upon window. Because I called early morning, they actually had a same day service appointment !!! This company has always delivered for me on my rental property and my personal property !! I like the reasonable price on 'small jobs' meaning less than $500. Some plumbing companies won't take small jobserved like that. The service fee to diagnose is extremely reasonable. And once they are there, you should just OK the work and be done with your plumbing problem !!"
Living room Mini-Split
Aquasana home Filtration
Almost no disturbance at EBMUD meter
Navien with filtration to protect the heat exchanger
New house valve and Pressure Reducing Valve

+73

Response time8 hrs
Response rate99%
53 neighbors recently requested a quote
Jim's Air Systems
4.5(
11
)

Serving San Francisco, CA and surrounding areas

Approved

In business since 1978

Free estimates

Warranties offered

"Jim's Air Systems had the best value for my dollar. They supplied me with better equipment than they quoted for the same price. They completed the entire installation in about five hours. They protected my floors with tarps and were very careful to protect my walls as they moved equipment in and out. Josh, the son of the original Jim, was on the job working with the other two installers. They performed above my expectations. They left my home and yard as clean as if they had never been there. The new furnace is wonderful and is already saving me money on my P.G. & E. bill. I would recommend Jim's Air Systems unconditionally to anyone in need of a new furnace and AC system. This is a family business that has been supplying and installing systems since 1976. They take personal pride in doing an excellent job. They did not sell me anything that I did not need and provided me with a much cleaner and easier-to-service installation than my existing system. They are the best!"
Response time11 hrs
Response rate97%
81 neighbors recently requested a quote
Avatar for Air Control Mechanical
Air Control Mechanical
4.9(
8
)

Serving San Francisco, CA and surrounding areas

Approved

In business since 2016

Free estimates

Offers commercial services

"I was so pleased with this company! Victor came out at 9:00 on a Wednesday night, determined that I needed a part for my AC, said he anticipated it should be in by Friday. What do you know...on Thursday at 6:00 p.m., I received a call saying a technician could install the part. By 7:00, voila, I had air conditioning!!! Jorge told me Victor absolutely impressed upon him that I needed AC...tonight. Many thanks for the prompt, friendly service and detailed explanations. Yes, I would wholeheartedly recommend this company of conscientious, responsive professionals!"
Response time10 hrs
2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Silicon Valley Air Experts
Silicon Valley Air Experts
4.8(
57
)

Serving San Francisco, CA and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"Matias and Silicon Valley Air Experts were incredibly helpful and responsive through the entire project. Especially when a somewhat unexpected complication arose with my dryer vent, Matias came up with multiple options to solve the issue, and went above and beyond to make sure my apartment was safe to live in, from the dryer vent to the vents around the unit to the furnace filter. I called a couple different companies before finding Silicon Valley Air Experts, and I ultimately chose to go with them over the others because Matias clearly communicated to me the value he brought. And he delivered on that value. 100% recommend Matias and Silicon Valley Air Experts."
Air Duct Cleaning
Air Duct Cleaning
Air Duct Cleaning
Air Duct Cleaning
Air Duct Cleaning

+4

Response time11 hrs
28 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for S.C. Home Repair
S.C. Home Repair
4.8(
40
)

Serving San Francisco, CA and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Josh helped set up my AC unit . He is very professional and very detail-oriented with his installations. I will definitely call him up again when I need some home repairs/installations done. Very happy with his work!"
Handyman Services Project
Kitchen Floor, cabinets appliances.
Carpentry, handrails and decks.
Widened closet opening and replaced doors. Added trim around windows and new Luxury Vinyl Plank flooring
Remodeling - General Project

+136

Response time1 day
Recommended by91%of homeowners
Avatar for GB Heating & Air Conditioning Inc.
GB Heating & Air Conditioning Inc.
5.0(
5
)

Serving San Francisco, CA and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

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.

Heat Pump Condense
Heat Pump Condense
Heat Pump Condense
Heat Pump Condense
Air Handler Ductless

+1

Response time1 day
8 neighbors recently requested a quote
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FAQs for air conditioning projects in San Francisco, CA

Most professional HVAC technicians require two to three hours to complete an expansion valve replacement. The timeframe depends on your unit's accessibility and whether additional repairs are needed. The process involves recovering refrigerant, removing the old valve, installing the new component, and recharging the system. Scheduling during less busy seasons may result in more convenient appointment times.

Operating your air conditioner with a malfunctioning expansion valve isn't advisable. Continuing to run the system could potentially damage other components, particularly your compressor, which is significantly more expensive to replace. If you notice performance issues like inconsistent cooling or unusual noises, it's best to have your system inspected before continuing regular use.

Expansion valves don't have a standard replacement schedule, as their longevity depends on system usage, maintenance frequency, and environmental factors. Regular professional maintenance helps identify potential valve issues before they cause system failure. Having your HVAC system serviced annually allows technicians to monitor component condition and recommend preventative replacements when necessary.

Refrigerant leaks require prompt professional attention. If your expansion valve is leaking, you'll likely notice reduced cooling performance and possibly hear hissing sounds near the unit. Addressing leaks quickly prevents further system inefficiency and avoids the environmental impact of released refrigerant. Your HVAC technician will need to repair the leak and recharge the system with the proper refrigerant type and amount.

Because many AC issues present similar symptoms, professional diagnosis is recommended. Problems like inadequate cooling, inconsistent temperatures, or strange noises could indicate expansion valve issues, but might also stem from refrigerant leaks, electrical problems, or airflow restrictions. A qualified HVAC technician has the tools and expertise to accurately identify the root cause and recommend appropriate repairs.

The San Francisco, CA homeowners’ guide to air conditioning services

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