Top-rated air conditioning pros.

Get matched with top air conditioning pros in Rancho Cucamonga, CA

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Air conditioning pros in Rancho Cucamonga

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

Serving Rancho Cucamonga, CA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Excellent heating and air conditioning repair, replacement, and new installation services! Everything went smoothly and without incident from beginning to end. Before departing, they made sure the system was operating flawlessly, responded quickly, and worked effectively. Excellent service?I heartily recommend them!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+24

Response time3 days
9 neighbors recently requested a quote
Recommended by7%of homeowners
Avatar for Champion Aire Heating and Air Conditioning
Champion Aire Heating and Air Conditioning
4.6(
192
)

Serving Rancho Cucamonga, CA and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"Eddie and Lennon are pros. They were the first company to call back after leaving a message I need help. I hired them to check the air conditioning and discovered it had a big leak. After looking and talking, the system including the furnace needed to be replaced. I decided to change the system after negotiating a price and they started to take out the old air conditioner and heater that afternoon and come back the next morning to install the new system. I asked Eddie if he could install a Nest Learning Thermostat I had purchased and he said no problem. They did cleaned up like they were never there. The new system works perfectly and with less noise too. Champion Aire Heating and Air Conditioning was the right choice to hire. Very satisfied customer and would hire them again for maintenance when needed."
Daniel Tai
Mike Gibson
HaPpy Client
Happy Costumer!..
Happy Client

+37

Response time1 day
Response rate95%
15 neighbors recently requested a quote
Avatar for MSP Heating and Air, LLC
MSP Heating and Air, LLC
4.9(
328
)

Serving Rancho Cucamonga, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Emergency services offered

"We contacted MSP for air conditioning services. Their coustomer ratings on Yelp were great. MSP was able to come out right away. The team from Angel Perez, technician, to the installers, Don and Don and those that work in the office were nothing less than helpful, kind, professional, informative and courteous. The installation process was flawless and took just a few hours. The guys were very friendly but more importantly, they made us feel confident in what they were doing. We worked out the finances which was a very simple and easy process and by the end of the day we had nice cool air flowing on a day that had temperatures in the high 90s. We are very thankful and grateful to MSP Heating and Air Conditioning. I feel certain you would be too."
duct job all R-8 ducting
4 Ton GOODMAN Furnace
customer Vlastos
duct job all R-8 ducting
furnace install

+67

Response time4 hrs
16 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for AR Cooling and Heating, LLC
AR Cooling and Heating, LLC
4.9(
54
)

Serving Rancho Cucamonga, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2012

Free estimates

Customers say: Quick response

"Andy and Adrian are friendly and professional. They are punctual and thorough in their work, they make sure that the customer is satisfied with the work done. My husband hired them to install a new air conditioning unit over a year ago and we called them for the yearly routine cleaning now. Their prices are competitive. They are honest. We highly recommend them."
Goodman Condenser
Goodman Indoor unit
New Condensing Unit
4 Ton York
4 Ton Payne Split system

+4

Response time6 hrs
Response rate97%
17 neighbors recently requested a quote
Avatar for Trabuco Air
Trabuco Air
4.6(
130
)

Serving Rancho Cucamonga, CA and surrounding areas

Approved

In business since 1996

Free estimates

Emergency services offered

"Bill Walker is the tech that diagnosed my faulty condensing unit compressor to be grounded. Sounds like a good thing right? but its not. You never want to hear that. Should you ever do so you want Trabuco Air handling it. I was explained what was wrong and given options that i could comfortably choose from without just breaking the the already shaking bank. Trustworthy and reliable Bill is a cool cat and confident in his skill set. He knows air conditioning extensively and will solve your needs as well. I can finally enjoy the upstairs again thanks to Bill from Trabucco Air."
Response time5 hrs
Recommended by94%of homeowners
Avatar for McLay Services
McLay Services
4.8(
278
)

Serving Rancho Cucamonga, CA and surrounding areas

Approved

In business since 1978

Free estimates

Emergency services offered

"I had a great experience with your team. They serviced and repaired my mini-split and central They serviced my A/C systems, added refrigerant, and made sure everything was working properly before leaving. Mike was thorough, professional, knowledgeable, and did quality work. I highly recommend this company."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+3

32 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for THE AC DOCTOR HEATING & AIR CONDITIONING
THE AC DOCTOR HEATING & AIR CONDITIONING
5.0(
79
)

Serving Rancho Cucamonga, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Credit card accepted

"Daniel from AC Doctor Heating and Air Conditioning provided outstanding service from start to finish. He quickly diagnosed the issue with my unit and was able to get everything back up and running the very same day, which I truly appreciated. Daniel was professional, knowledgeable, and took the time to clearly explain what the problem was and how he planned to fix it. His responsiveness, attention to detail, and commitment to customer service really stood out. You can tell he takes pride in his work and wants to make sure the job is done right the first time. I highly recommend AC Doctor Heating and Air Conditioning to anyone looking for fast, honest, and high-quality HVAC service. Excellent experience overall!"
Project installs
Project installs
Response time2 hrs
Response rate100%
6 neighbors recently requested a quote
Avatar for RS Air Conditioning & Heating
RS Air Conditioning & Heating
4.9(
23
)

Serving Rancho Cucamonga, CA and surrounding areas

Approved

In business since 1990

Free estimates

Emergency services offered

"I am so pleased with Ray and his work. The floor furnace is back in working condition, better than ever, especially when other's said it could not be fixed. Basically wanting to up sale rather than repair. Ray is very knowledgeable and knows what he is doing. Thank you Ray!"
New Outdoor Install
Furnace Install
Satisfied Client
Energy saver!
Carrier Water Soure

+2

Response time3 hrs
Response rate100%
Recommended by100%of homeowners
...
Showing 1-10 of 719

FAQs for air conditioning projects in Rancho Cucamonga, 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 Rancho Cucamonga, CA homeowners’ guide to air conditioning services

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