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Find Air conditioning pros in Fontana

Avatar for Champion Aire Heating and Air Conditioning
Champion Aire Heating and Air Conditioning
4.6(
192
)
Central A/C - Service or Repair

Serving Fontana, 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 rate95%
17 neighbors recently requested a quote
Avatar for MSP Heating and Air, LLC
MSP Heating and Air, LLC
4.9(
328
)
Central A/C - Service or RepairSwamp Cooler - Service or Repair

Serving Fontana, 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
23 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for AR Cooling and Heating, LLC
AR Cooling and Heating, LLC
4.9(
54
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For Business

Serving Fontana, 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%
13 neighbors recently requested a quote
Avatar for Trabuco Air
Trabuco Air
4.6(
130
)
Central A/C - Service or Repair

Serving Fontana, CA and surrounding areas

Approved

In business since 1996

Free estimates

Emergency services offered

"The team from Trabuco Hills Air did a fantastic job. They were thorough, courteous, and extremely professional! Thank you so much to Tim and everyone at Trabuco Hills Air. They were such an amazing pleasure to work with. I truly appreciate all you did for my family and forever grateful for the Nest thermostat. I highly recommend Trabuco Hills Air for all of your Heating/AC needs. Thank you again!!!"
Response time5 hrs
Recommended by94%of homeowners
Avatar for Super Air Heating and Air Conditioning
Super Air Heating and Air Conditioning
4.7(
89
)
Central A/C - Service or Repair

Serving Fontana, CA and surrounding areas

Approved

In business since 2013

Free estimates

Warranties offered

"I can not say enough about the honesty of this company. Elias gave me several options to my air conditioning issues. I highly recommend this company. I will not use any one else EVER !"
Riverside ca
Amana 16 seer
Riverside ca
Riverside ca
Riverside ca

+4

Response time4 hrs
11 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for McLay Services
McLay Services
4.8(
281
)
Central A/C - InstallCentral A/C - Service or RepairCentral A/C - Install - For Business+9 more

Serving Fontana, CA and surrounding areas

Approved

In business since 1978

Free estimates

Emergency services offered

"McLay Services did an excellent job on the preventative maintenance for my A/C system. Dylan was professional, courteous, and thorough throughout the visit. He replaced two air filters, cleaned the coils, and checked all electrical components to make sure everything was running safely and efficiently. My unit is now healthy and fully operational. I really appreciate the quality of work and attention to detail — I'd definitely recommend McLay Services to my friends and family!"
Additional Photos
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Additional Photos
Additional Photos

+3

70 neighbors recently requested a quote
Recommended by93%of homeowners
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FAQs for air conditioning projects in Fontana, 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 Fontana, CA homeowners’ guide to air conditioning services

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