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  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon213
    Verified heating and air conditioning services reviews

Top-Rated Heating and air conditioning pros in Stockton - Updated Nov 2026

Avatar for West Coast Air Conditioning
West Coast Air Conditioning
5.0(
11
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceDuctless Mini-split Heating System - Install or Replace+4 more

Serving Stockton, CA and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

West Coast Air Conditioning provides residential and light commercial heating and air conditioning services throughout Calaveras and San Joaquin Counties. Our services include HVAC repair, system replacement, heat pump installation, furnaces, air conditioning, ductwork, maintenance, and indoor comfort solutions. We specialize in helping homeowners evaluate their existing system and choose practical repair or replacement options based on the condition of their equipment and home. From routine service to complete high-efficiency HVAC and duct system upgrades, our focus is quality workmanship, clear communication, and dependable local service.

Heat Pump Upgrade
New Air Handler
New Air Handler
New Heat Pump
HVAC Transformation

+4

9 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Ken's Air
Ken's Air
4.5(
113
)
Central A/C - Service or RepairCentral Air Cleaner - Repair or ServiceElectric Furnace / Forced Air Heating System - Repair+5 more

Serving Stockton, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2004

Emergency services offered

Warranties offered

"Ken was great. Responded right away. Came soon and figured out our problems fairly quickly. Made the necessary repairs, plus he was able to service our HVAC unit. Everything was done in a short time. Very friendly. Good work. We will definitely have Ken do our annual checkup! We were so grateful to have our A/C cool our 2-story home in little time, especially during these awful triple digit temps weâ ve been experiencing! ð ð"
 New heater and coil
 New heater and coil
New heater & coil
Ruud furnace
Ruud condenser

+3

Response time4 hrs
1 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for TMC Heating & Cooling
TMC Heating & Cooling
5.0(
33
)
Central A/C - Service or RepairDucts & Vents - Install or ReplaceElectric Furnace / Forced Air Heating System - Repair+2 more

Serving Stockton, CA and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"I hired TMC Heating & Cooling for duct repair. Tim Coronado was very knowledgeable and professional. The repair was quick and clean. He didn't try to "upsell" me. Because of this, I will be using him to maintain my HVAC units."
Energy guzzler
High Efficient Energy Saver
Mini Split Outdoor Unit
Package unit
After

+10

Response time3 hrs
6 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for AJAX Heating & Air Conditioning
AJAX Heating & Air Conditioning
5.0(
11
)
Central A/C - InstallCentral A/C - Service or RepairHeat Pump - Install or Replace+2 more

Serving Stockton, CA and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"I called Ajax to service my 20+ year old unit. Ken answered my call, and came out immediately! I was afraid he was going to tell me to replace my unit… I didn’t have the money to do that.. I didn’t even have to tell him that. He explained in detail what was going on with my unit, replaced the recommended parts… and got my unit running so much better than it has ever worked since I’ve lived here! He even took pictures so I could see what he was talking about, and said with the annual plan, he could monitor the unit and keep it running as long as possible for me! Honestly!? Who does that? Thank you Ken for your quick response, your thorough, no hassle, honest interaction! He was even great with my animals!! If anyone needs an expert HVAC company… AJAX would be it! Thanks again Ken."
Gas/Pack W/ Ductwork
Gas/Pack W/ Ductwork
Down Flow Furnace
Down Flow Furnace
Upflow Furnace

+2

15 neighbors recently requested a quote
Avatar for Ramirez Duct Cleaning
Ramirez Duct Cleaning
4.8(
91
)
Air Ducts & Vents - Clean

Serving Stockton, CA and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Antonio did a fantastic job. He cleaned every HVAC vent and ducting, the dryer vent and replaced the ducting between the dryer and the wall connection, all bathroom exhaust vents and the furnace blower and exchanger. Super clean. I was amazed on how much crud cam our of our systems. Excellent attention to details."
Response time6 hrs
11 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Loves Air
Loves Air
4.9(
7
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+7 more

Serving Stockton, CA and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

History Establish 2009.\nLoves Air has become the premier Heating, Air Condition company in the Central Valley. With the hard work and dedication from our team of expert HVAC technicians, our professional customer service team, our amazing managers and our visionary leadership from our owners, we have climbed to the top where we can proudly say we're the #1 HVAC company in Central California. Our attention to detail and commitment to our values have helped us grow. We Loves servicing customers every day and continuing to grow into the industry standard for all things HVAC. Welcome to Loves Air! Heating, Air Conditioning, Solar, Windows & Water Heater Installation, A/C Repair, Air Duct Installation, Air Duct Repair, Ductless A/C Services, Electric Furnace Installation, Electric Furnace Repair, Flame Sensor Repair, Gas Furnace Installation, Gas Furnace Repair, Heater Installation, Heater Repair.

WATER HEATERS
WATER HEATERS
WATER HEATERS
WATER HEATERS
WATER HEATERS

+36

Response time2 hrs
Response rate91%
2 neighbors recently requested a quote
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Heating and Air Conditioning FAQs, answered by experts

DIY is possible for basic cleaning. Professional services handle advanced maintenance like recharging the refrigerant.

Dry mode positively impacts indoor air quality by reducing excess moisture, which stops the growth of mold and mildew. By maintaining optimal humidity levels, dry mode creates a less hospitable environment for allergens and airborne pathogens, improving overall air quality. However, it's essential to ensure proper ventilation to prevent stale air accumulation.

Choosing a unit with higher BTUs can use more electricity if the BTUs are more than what’s necessary for your room size. However, choosing an AC with BTUs that match the size of your room or house, your unit will cool your space efficiently. On the flip side, choosing a system with not enough BTUs can cause the system to work harder to try to cool the space, leading to more electricity consumption and higher energy bills.

Yes, ventless portable air conditioners exist, and not all standard portable air conditioners must be vented through a window.

Ventless portable units, often called evaporative coolers, do not have exhaust hoses. They use a water reservoir and a cooling pad to add moisture to the air, making it feel cooler. These units work best in dry climates because humid areas cannot absorb much additional moisture.

For standard portable air conditioners that do require venting, a window is not the only option; they can also be vented through a door, wall, or ceiling. However, it is essential to vent these units properly. Running a standard portable AC without venting it is counterproductive because it needs to expel heat to cool the room. Failing to do so will only increase the room's temperature.

Your AC might not cool after a power outage because of a tripped circuit breaker, blown fuse, or damage to the compressor or capacitor. If you notice your AC not working after a power outage, in most cases, the breaker has tripped or the system has built-in brownout and blackout protection. Reboot the AC by turning it off at the thermostat, resetting the circuit breaker, and waiting 30 minutes to turn the AC on again. 

The Stockton, 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.