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Castle Air Inc. is a family owned and operated business that has been serving the Ventura County area for 15 years.  With combined experience of over 100 years we will bring you a high level of expertise in every application from custom system design, to installation, to maintenance and customer care.   

We strive to leave you feeling comfortable and satisfied.  Our experts offer efficient system design, not just equipment replacement.  We are the leading experts in zoning, and ductwork design.  We will work with you and your budget to align your expectations with what you can afford so that you get the most value for your dollar.  

We are not a good, better, best, pre-packaged, commission based sales company.  We operate through honesty, integrity, personal responsibility and ethical work practices.  Our new customer base comes primarily from happy, satisfied customer referrals.  A happy customer is our greatest satisfaction.