Custom Air Systems is a customer-focused heating and cooling company started in 1995. We began humbly with one service truck – today we have over twenty. Dedication to delivering you, our customer, the highest quality service available at the best price has become our trademark. We are proud of our legacy, which began in Simi Valley over 26 years ago. With over 35,000 satisfied customers – a number that continues to grow – we take pride in our work and commitment to customer satisfaction. Custom Air Systems has a work ethic that is hard to find in today's market. They treat me like family. Any time I call for service, their response is lightning fast and affordable. As the administrator of a small ambulatory service center, I need reliable, competent, and fast response and that's what I get when I call Custom Air Systems for the service, I know I can depend on them. Our company has been family-owned since the beginning. President Martin Fraye always considered customers and employees to be part of his family. Our company specializes in designing, engineering, and installing complete comfort systems for existing homes and buildings. We take special pride in our well-trained craf