Top-rated air conditioning pros.

Get matched with top air conditioning pros in Lancaster, 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 Lancaster

Avatar for Global Green Solutions
Global Green Solutions
5.0(
248
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Install - For Business+4 more

Serving Lancaster, 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
9 neighbors recently requested a quote
Recommended by7%of homeowners
Request Quote
Avatar for AC Dave Heating & Air
AC Dave Heating & Air
4.9(
93
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Lancaster, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2006

Free estimates

Emergency services offered

"AC Dave is great as a partner in our business. Facilitating all of our Air Conditioning needs including new units, routine maintenance and troubleshooting. They are great! highly recommended."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+6

Response time7 hrs
Response rate100%
7 neighbors recently requested a quote
Request Quote
Avatar for Pennies Air Conditioning, Solar & Construction
Pennies Air Conditioning, Solar & Construction
4.9(
21
)
Central A/C - InstallCentral A/C - Install - For Business

Serving Lancaster, CA and surrounding areas

Approved

In business since 1990

Free estimates

Emergency services offered

"Was an easy fix you all rock. My heater been non working for 2 years ivy did the work and finished in less than an hour. I recommend."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+145

Response time6 hrs
Response rate100%
43 neighbors recently requested a quote
Request Quote
Avatar for Active Air Specialist Inc.
Active Air Specialist Inc.
5.0(
9
)
Central A/C - InstallCentral A/C - Service or RepairCentral A/C - Install - For Business+3 more

Serving Lancaster, CA and surrounding areas

Approved

In business since 2012

Free estimates

Credit card accepted

Here at Active Air Specialists, we sustain our business on quality and integrity. With over 20 years of experience we are experts in the Heating and Cooling trade and are committed to quality from the beginning to the end of your project. please call our office @ 888 410 0677 We look forward to earning your business. Give us a call or click to schedule a quote today!

Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+7

18 neighbors recently requested a quote
Recommended by44%of homeowners
Request Quote
Avatar for Just Be Cool Supply, LLC
Just Be Cool Supply, LLC
4.9(
42
)
Central A/C - Service or RepairSwamp Cooler - Service or RepairSwamp Cooler - Install or Replace+2 more

Serving Lancaster, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"I called them to replace thermostat they showed up on time and showed me how to my wifi thermostat , very affordable , reliable and honest"
New installation
New installation
HVAC installation
New Ac
New Ac

+11

Response time6 hrs
Response rate97%
12 neighbors recently requested a quote
Request Quote
Avatar for HD MECHANICAL INC
HD MECHANICAL INC
5.0(
30
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+12 more

Serving Lancaster, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"HD Mechanical did an amazing job. I felt safe hiring them to install my ac unit. They were very professional and they are very trustworthy. Would definitely recommend them to everyone."
Heating & A/C Project
Heating & A/C Project
Heating & A/C Project
Heating & A/C Project
Additional Photos

+14

Response time6 hrs
Response rate100%
75 neighbors recently requested a quote
Request Quote
Avatar for SoCal Climate Control - LA
SoCal Climate Control - LA
4.2(
414
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+3 more

Serving Lancaster, CA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Nolan, the owner is the most professional likable guy you could ever talk to. Just a down to earth guy who could write a book about air conditioning. His lead worker, Erin is cut in the same mold. Erin was user friendly. What I liked most about Erin was he was a great listener and communicator. Both are straight shooters and tell it as it is in friendly we re here for you terms. 5 stars for the guys at SC Climate Control. There competitors should learn from these guys."
SoCal Staff
709 neighbors recently requested a quote
Recommended by88%of homeowners
Request Quote
Avatar for Pennies A/C Solar & Construction
Pennies A/C Solar & Construction
5.0(
16
)
Central A/C - InstallCentral A/C - Install - For Business

Serving Lancaster, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2001

Free estimates

Emergency services offered

"Few days ago, we noticed the carpet was evenly soaked with water, reached out to Angie's got a hold of Penny's air conditioning. Problem was resolved within one day had a new furnace along with drain cleaning. I must admit the price was fair with professional service."
hvac
hvac
hvac
hvac
hvac

+5

Response time3 hrs
Response rate99%
22 neighbors recently requested a quote
Request Quote
Avatar for Knockout Heating And Air
Knockout Heating And Air
4.8(
20
)
Central A/C - Service or Repair

Serving Lancaster, CA and surrounding areas

Approved

In business since 2023

Emergency services offered

Warranties offered

We are a family owned residential HVAC repair, maintenance, and installation business. We offer quality workmanship along with excellent customer service at affordable prices. For all of your air conditioning and heating needs please give us a call, text, or email. We even install and service mini splits.

7 neighbors recently requested a quote
Recommended by89%of homeowners
Request Quote
Avatar for Just Be Cool Supply LLC
Just Be Cool Supply LLC
5.0(
8
)
Central A/C - InstallCentral A/C - Service or RepairCentral A/C - Install - For Business+10 more

Serving Lancaster, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"I needed my HVAC system urgently repaired, the technician arrived promptly to resolved the issue. They were professional and knowledgeable and gave me honest recommendations & also was very helpful. Highly recommend! Thank you!"
Heating & A/C Project
Heating and air
5 ton split system
Heating & A/C Project
Heating and air

+22

11 neighbors recently requested a quote
Recommended by87%of homeowners
Request Quote
...
Showing 1-10 of 300

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

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

See all articles