Air Conditioning Companies in Corona, CA

Comprehensive list of commercial and residential air conditioning companies in Corona, CA offering installation, repair and maintenance services.

Business Listings

We at Hillside Heating & Air Conditioning. have been delivering Orange County and Inland Empire clients with Top Quality Service for 28 years. We service all makes and models of heating, ventilation and air conditioning equipment and take great pride in our commercial and domestic retrofit installations.


Westpac Air Conditioning. supplies heating and air conditioning design and installation services for domestic new homebuilders. We are an aggressive firm, taking great pride in our capability to supply individual service with the highest regards to professionalism and quality. We have installed over 50,000 units since the founding of Westpac Air Conditioning in 1989 in Walnut, California.


PARAGON AIRHEATER TECHNOLOGIES specializes in the production of high-performance seals and related replacement parts for rotary, regenerative airheaters. Our seals are specially designed to supply maximum efficiency while withstanding the harsh operating conditions normally encountered in the airheater.



Direct AC is a full service heating and air conditioning contractor serving Southern California. We specialize in new equipment installation, system design, diagnostics, and troubleshooting. We help to improve the quality of life within our community by creating superior indoor environments that provide unparalleled comfort and peace of mind. Focusing on our clients' needs allows us to become their

  • I recently had my air conditioners stolen. I called around and got several estimates for

RKM technicians are experienced in service, repair, installation, design, and air purification in heating, cooling, and air conditioining.We understand the importance of trusting your service company and weeinsure that our customers are not only satisfied but are happy. RKM technicians are continually training to ensure top level performance and dependability that you can trust.

  • Came right in and fixed the problem. Explained everything and looked for other things

Serving people just like you for nearly four decades. Moore's heating and air conditioning has been servicing the southern California area since 1969. Our licensed technicians are certified to perform installation and service on all your HVAC equipment. Moore's is your local authorized Trane equipment installer. We handle the full line of Honeywell thermostat products.

  • Everyone else said it had to be replaced. Moore's came out and within an hour had repaired

Magnolia Heating & Cooling is a family owned business operating locally since 1951. We know that home comfort is a hard thing to define. You can't see it or touch it, but we all know when we feel it - and when we do not. Many of us take our air conditioning & heating system for granted until, of course, you need a new one.

  • We had some serious questions about repairing our heater. Magnolia was the only company

Welcome to First Choice Plumbing, Heating & Air Conditioning, suppliers of state-of-the art service. The specialists at First Choice call on over three decades of knowledge to provide expert technical knowledge along with a long reputation for top-quality work and satisfied clients. First Choice doesn't charge by the hour, but by the job.