Az Auto Air was started in Gilbert AZ in April of 1989. We began as a strictly auto air conditioning installation, diagnostics and repair facility. Over the years many of our customers enjoyed our honest approach to their auto repair needs and asked us to take on more of their vehicles needs. We are a family owned and operated repair facility that prides itself in our exceptional customer service and honesty. We have had multiple stores throughout the east valley including Gilbert, Chandler, Tempe, Mesa and Ahwatukee. We are a complete auto repair facility that will always give you an honest and fair repair. Az Auto Air is considered the foremost experts in Arizona.

Steve O'Brien


Steve began his automotive career at a very young age at his fathers shop. Steve's father owned an automotive repair facility that also rebuilt alternators and starters. Steve left Austin Tx to Gilbert Az and started Az Auto Air in April of 1989. Since that time he has opened many Az Auto Air stores across the east valley and now settling in the one location in Tempe. Steve has become the go to go for many shops and dealerships in Arizona for ac repair questions. “ Just don’t let him know what you paid for your lunch.”

Denise O'Brien

Office Manager "The Boss"

Denise is not only Steve’s wife, she is the backbone of the shop. Always making sure that the office paperwork is kept in order and ensuring that the guys always have what they need to do the job right. Denise is no stranger to paperwork as she comes from extensive background as a personal assistant in Austin Tx. “ Don’t tell Steve but she is the Boss”

John O'Brien

Service Manager

John has been around the auto repair business since before he could walk. His grandfather owned an auto repair shop where as a young man he would clean and take out the trash. His father owned Az Auto Air in the summer and after school he would install air conditioning in vehicles that did not come with them. John left the auto industry for a short time to serve his country in the United States Coast Guard. Upon returning from his deployments he came back to Az Auto Air. John is probably who you talk to when you call or bring your vehicle in to be serviced

Blaine O'Brien

Technician and Master hose builder

Blaine has been around Az Auto Air his entire life. When he was really young he would come to play in the office with mom or chase dad around the shop. During Blaines high school years he come to the shop after school and perform basic services and learn from the other technicians. After high school Blaine became a full time technician while going to college to further his aspirations of becoming a firefighter. During that time Blaine has become one of the greatest hose builders in the state, getting hoses shipped to him to build from all over the world. “ Don’t ask him who builds a better hose, him or dad. Unless you have a lot of time to listen to the argument.”

Alex Schell


Alex came to us from Bakersfield CA. Alex started with us in March of 2012. Alex had just graduated from UTI technical school and has proven to be an asset. Alex is a true car guy that can talk your ears off about performance and modifications. His diagnostics of vehicle issues is spot on and he always takes the time to do the job right the first time. Alex has become a part of the Az Auto Air family over his decade with us.  “ Don't get him started talking about Mustangs, We don't have a place to sleep at the shop”

Abraham Jiminez


Abraham joined the Az Auto Air family in August of 2017. Abraham has been a technician for 20 years and is extremely knowledgeable in all areas of auto repair. Abraham has been instrumental in diagnosing some of the strange vehicles that came in and has proven his worth time and time again. “ Just dont ask him any questions, definite hands on guy and does not like talking.”

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7425 South Harl 5, Tempe, AZ 85283

(480) 464-1100