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

"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
Additional Photos
Additional Photos

+24

Response time3 days
10 neighbors recently requested a quote
Recommended by7%of homeowners
Avatar for MSP Heating and Air, LLC
MSP Heating and Air, LLC
4.9(
327
)

Serving Rancho Cucamonga, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Emergency services offered

"Anthony and Brandon at MSP Heating and Air Conditioning were incredibly helpful, even though they couldn?t service our water source heater. They took the time to assess the system, explained the situation clearly, and didn?t just leave us hanging?they recommended two other companies and even made a call to one of them on our behalf. It?s rare to find that kind of genuine care and effort, and while they couldn?t help us this time, we?ll definitely reach out to them for any future needs. Thanks again, Anthony and Brandon!"
duct job all R-8 ducting
4 Ton GOODMAN Furnace
customer Vlastos
duct job all R-8 ducting
furnace install

+67

Response time4 hrs
9 neighbors recently requested a quote
Recommended by94%of homeowners
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

"Short notice call and he made arrangements to come see us with our air condition issue. Very cordial. Mask on as soon as he entered the door and explained everything in detail what he was going to do. Thank you so much! Nice and cold in the house again."
Response time5 hrs
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

"My experience with this company was great, very professional and knowledgeable to the trade he explained the issue and provided me with a solution to prolong the life of my central heating and air conditioning system , there were a few things that were overlooked by the last company I had out and Iâ m so glad I found ARcooling. If I were you I would use him!"
Goodman Condenser
Goodman Indoor unit
New Condensing Unit
4 Ton York
4 Ton Payne Split system

+4

Response time5 hrs
Response rate97%
6 neighbors recently requested a quote
Avatar for The Right Choice Heating & Air
The Right Choice Heating & Air
4.3(
169
)

Serving Rancho Cucamonga, CA and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"Everything went very well. The workers had to wait several hours for the crane to show up but the installation was very smooth. We had hired this company last year to install a new furnace and so we had confidence that they would do a good job in providing us with a new air conditioner. We would highly recommend them."
AC Pro Heat Pump Installation
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+56

Response time11 hrs
Response rate100%
22 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

"Ray is very professional, and provided options for my air conditioning unit replacement. Ray went out of his way to replace a small gas line leak that he found. He also drove to Anaheim early on Saturday morning to pick up a part that was needed for the AC unit, and came over to install it so that I would have the air conditioner available for the upcoming heat wave this week. He and his team were on time, and considerate during the installation process. I highly recommend RS Air Conditioning & Heating."
New Outdoor Install
Furnace Install
Satisfied Client
Energy saver!
Carrier Water Soure

+2

Response time3 hrs
Response rate100%
Recommended by100%of homeowners
Avatar for All City Plumbing, Air & Electrical
All City Plumbing, Air & Electrical
4.9(
270
)

Serving Rancho Cucamonga, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2009

Emergency services offered

Warranties offered

"Corey and Tony came and swapped out my water heater because of a leak i’ve been having and did an amazing job . Definitely will be calling them to come do future work ."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+42

Response time10 mins
16 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for THE AC DOCTOR HEATING & AIR CONDITIONING
THE AC DOCTOR HEATING & AIR CONDITIONING
5.0(
78
)

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 rate98%
6 neighbors recently requested a quote
...
Showing 1-10 of 710

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.