McMaster Heating & Air Conditioning is a local, family-owned HVAC company that has served Orange County since 1996. As an award-winning Carrier Factory Authorized Dealer, we offer factory-direct access to their product lines of energy-efficient, highly rated air conditioners, furnaces, heat pumps, mini-split systems, commercial rooftop units, indoor air quality products, thermostats, and more. Our highly-trained NATE-certified technicians have decades of hands-on experience and always use the industry's best practices, quality parts, and the latest HVAC tools and technology on every job. We offer fast response times on expert repair services for all major HVAC makes and models, as well as comprehensive maintenance agreements and AC/heater fall and spring tune-ups. Call today! We offer industry-leading warranties, free on-site estimates for new installations, and affordable financing for those who qualify.