Since 1984, we have been dedicated to servicing and installing heating ventilating and air conditioning systems that meet their maximum energy efficiency potential.  National Comfort Institute estimates that the average residential heating and cooling system only operates at approximately 56% of its’ potential.  That means that most homeowners are paying almost double what they should to operate their systems.  As far as we are concerned that’s not acceptable. We are the premier HVAC contractor in Orange County and we strive to do right by our customers.

 Mission Statement

To provide high quality, client orientated, fairly priced, engineering, installation and service of commercial and residential heating, ventilation and air conditioning systems.

  • We define high quality as correctly identifying the problem, selecting the proper solution, and completing the work right the first time.
  • We define client oriented as working in the client’s best interest and exceeding the client’s expectations.
  • We define fairly priced as providing pricing that is fair to both Airwest and the client.


protect your home

david dretzka owner president


CEO and Owner 

David Dretzka, P.E. is the President and owner of Airwest Air Conditioning and Heating, Inc.  He received his Bachelors of Science degree in Mechanical Engineering from the University of Wisconsin – Madison. He started his professional career, designing HVAC systems for nuclear and fossil fuel power plants in Chicago.  Soon after moving to California in 1981, he started his own mechanical design firm and has designed systems for Knott’s Berry Farm, Disneyland, Wells Fargo Bank and RiteAid.  In 1986, he obtained his MBA degree from the California State University – Long Beach.  Fulfilling a long time dream to actually build what he designed, he acquired Airwest in 1997.

David is active in his church’s Knights of Columbus Council and has been Chairmen of the annual golf tournament and manager of the church’s softball team.  He lives in Irvine with his wife and daughter.