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Top-Rated Air conditioning pros in San Martin - Updated Nov 2026

Avatar for Valley Heating, Cooling, Electrical and Solar
Valley Heating, Cooling, Electrical and Solar
4.7(
1,755
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+7 more

Serving San Martin, CA and surrounding areas

Approved

In business since 1962

Free estimates

Emergency services offered

"I chose them because they had the best quote, but were still professional. They arrived on time, were very professional, cleaning up well after each day's work. Turns out the air didn't work. We discovered this on a Sunday. They came over within a few hours and fixed the problem immediately. No issues since."
Additional Photos
We provide HVAC sheet metal fabrication, blown in insulation with Owens Corning’s new AttiCat™ Expanding Blown-In PINK FIBERGLAS® and Solatube® installations to add light where you need it without the increasing your electric bill.
The SunSource® Home Energy System puts you in control of your monthly bills by creating and using solar energy, reducing your need for electricity from your utility provider.
Owners, Jeff and Cindy Faulkner
8 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Alanis Air HVAC
Alanis Air HVAC
5.0(
21
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Service or Repair

Serving San Martin, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Warranties offered

"I highly recommend this company to do your heating and air conditioning project. John Alanis and his crew did an excellent job and the pricing he gave us beat the competition. Thank you John and I’ll make sure to spread the word to my friends and relatives."
York Heat Pump
York 3 Ton heat pump
Coil removal
Condenser Removal
Ductwork

+4

Response time3 hrs
Response rate99%
32 neighbors recently requested a quote
Avatar for Rittinger Heating and Air
Rittinger Heating and Air
5.0(
18
)
Central A/C - Service or RepairDuctless Mini-split A/C - Install or ReplaceCentral Air Cleaner - Repair or Service

Serving San Martin, CA and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

*****669-669-2435*****We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business.

Service maintenance
Service maintenance
Service maintenance
Service maintenance
Service maintenance

+6

14 neighbors recently requested a quote
Avatar for Ace Mechanical
Ace Mechanical
4.9(
21
)
Central A/C - Service or Repair

Serving San Martin, CA and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"Raul was very professional and very experienced...30+ in the business. He came to assess the problem after a long day of emergency jobs. It was late, after a long day for him, but he wanted to be sure we were taken care of. We really appreciate his dedication and work ethics. We have our new part installed and cool air again! I absolutely would hire him again! Also, we try to hire people from our town-Gilroy."
Response time7 hrs
10 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Silicon Valley Air Experts
Silicon Valley Air Experts
4.8(
60
)
Central Air Cleaner - Repair or ServiceCentral Humidifier - Repair or Service

Serving San Martin, CA and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"My job was cleaning of Air Ducts and dryer vent which is not on the drop down list provided. I spoke with several companies to see about quotes and scheduling. a clean out for my dryer vent before I had a new dryer installed. Silicon Valley Air Experts called me right away, listened to the job and provided a transparent initial assessment and cost estimate. While talking to them I also learned about cleaning all the air ducts, which I hadn't done in some time. They showed up on time, completed all of the work efficiently and cleaned up afterward. I plan to use them again in the future. It was a wonderful experience."
Air Duct Cleaning
Air Duct Cleaning
Air Duct Cleaning
Air Duct Cleaning
Air Duct Cleaning

+4

Response time11 hrs
40 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for The Furnace Room, Inc.
The Furnace Room, Inc.
4.2(
5
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Service or Repair

Serving San Martin, CA and surrounding areas

Approved

In business since 1975

Free estimates

Warranties offered

We are your one-stop residential heating and cooling company. We are a multi-generational, family-owned and operated business since 1975. What's more, The Furnace Room, Inc. is a Factory Authorized Dealer for all Bryant heating and cooling systems. We are the only authorized Bryant FAD in Santa Cruz county!\n\nIf your furnace needs repair, replacement, or maintenance, we have you covered. We offer competitive pricing and knowledge to solve any problem with your forced air heating and cooling system. In addition, we repair and replace duct systems, offer duct cleaning services and whole-home filtration products. Do you want to control your home's system from anywhere? Ask about wi-fi app-based controlled thermostats!\n\nOur pledge is to establish and maintain lifelong relationships with our customers by gaining their trust and exceeding their expectations on every project big or small. We look forward to earning your business.\n

The Furnace Room, Inc.
17 neighbors recently requested a quote
Avatar for Atlas Trillo Heating & Air Conditioning
Atlas Trillo Heating & Air Conditioning
4.3(
45
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving San Martin, CA and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1953

Free estimates

Emergency services offered

"I needed to have techs come back to fix 2 issues after the install, one was a loose wire connection going to the fan asm. and the other was a rain / water leak from the roof hood covering the air input / exit. In both cases, the techs found and fix the issues in a timely manner and their troubleshooting was spot on¦. The install did take time but it was impressive to watch them remove a 40 years old unit and install a new one.¦"
System Installation
250 neighbors recently requested a quote
Recommended by65%of homeowners
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FAQs for air conditioning projects in San Martin, 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 Martin, CA homeowners’ guide to air conditioning services

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