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Find Air conditioning pros in Loma Linda

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

Serving Loma Linda, 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
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+24

Response time3 days
10 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 Loma Linda, CA and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"The team from Champion Aire were professional and did a great job. Anthony,Kim,and Jay worked hard to finish the work in one day. If you are in need of a team of Heating and Air Conditioning specialist call Champion Aire."
Daniel Tai
Mike Gibson
HaPpy Client
Happy Costumer!..
Happy Client

+37

Response time1 day
Response rate94%
Recommended by97%of homeowners
Avatar for MSP Heating and Air, LLC
MSP Heating and Air, LLC
4.9(
327
)

Serving Loma Linda, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Emergency services offered

"This is the 4th of July weekend and our air conditioning went out!! We appreciated the quick response and the quality of the work performed by Danny. He was very thorough and quickly resolved the problem. He was very courteous and professional."
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 AR Cooling and Heating, LLC
AR Cooling and Heating, LLC
5.0(
36
)

Serving Loma Linda, CA and surrounding areas

Approved

In business since 2012

Offers commercial services

Customers say: True professional

"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."
Response time7 hrs
Recommended by96%of homeowners
Avatar for AR Cooling and Heating, LLC
AR Cooling and Heating, LLC
4.9(
54
)

Serving Loma Linda, 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 time5 hrs
Response rate97%
6 neighbors recently requested a quote
Avatar for All City Plumbing, Air & Electrical
All City Plumbing, Air & Electrical
4.9(
270
)

Serving Loma Linda, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2009

Emergency services offered

Warranties offered

"Our Bathroom shower was clogged. And last minute All city was there within the hour. The technician Antonio Peters was awesome. He was very polite and Went the extra mile to get our drain unclogged. Super great full for this company."
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+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 Loma Linda, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Credit card accepted

"Great example of a professional, was extremely knowledgeable about air conditioning. He was able to articulate what the actual issue was. I recommend the A/C Doctor to all!!!"
Project installs
Project installs
Response time2 hrs
Response rate98%
6 neighbors recently requested a quote
Avatar for Aace's Heating Air Conditioning & Swamp Coolers
Aace's Heating Air Conditioning & Swamp Coolers
4.5(
74
)

Serving Loma Linda, CA and surrounding areas

Approved

In business since 2007

Free estimates

Small jobs welcome

"Only firm that realized an upgraded filter system was appropriate for the requested air scrubber. Contracted to have them replace 30 year old HVAC unit and ductwork. Completed project within 7 days of hiring. Highly recommend."
Install
photos
Package unit
Happy customer
condenser

+133

Response time4 hrs
Response rate92%
132 neighbors recently requested a quote
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FAQs for air conditioning projects in Loma Linda, 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 Loma Linda, CA homeowners’ guide to air conditioning services

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