McMaster Heating & Air

Since 1996, McMaster Heating & Air Conditioning has provided Orange County with expert residential and commercial HVAC services. For over 25 years, we have been the preferred HVAC contractor for thousands of satisfied clients throughout Irvine, Newport Beach, Mission Viejo, and surrounding areas. 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 NA