Smith’s Heating & Air Conditioning San Diego. We are family owned and a 30-year-old proud business in the San Diego area. providing quality Hvac services to residential and commercial customers. We can be called upon to install and service all types and brand of mechanical systems. Our primary goal is to provide excellent service for San Diego Air Conditioning repair, replacement and installation as well as Heating, HVAC systems and other home comfort products in San Diego County. One of our specialties is retrofitting air conditioning and heating systems in older homes We also specialize in working with contractors in new construction and with property managers for service and installation of heating and air conditioning systems in large developments and rental properties. We provide the best value and pricing to residential and commercial clients for new and replacement systems. For more information about the services provided by Smith Air Conditioning And Heat or to schedule a free project estimate, call the office at 858-290-6633 and speak with a customer service representative today.