KEEP A COOL HOME YEAR-ROUND GET DEPENDABLE HVAC SERVICES IN SANTA MARIA, CA Did your AC unit quit blowing out cold air? Is your HVAC system old and noisy? Seaside Air is an experienced HVAC contractor that completes HVAC installations and repairs in the Santa Maria, CA area. Trust us to install an AC or heating unit in your home or business. We’ll tear out your old HVAC equipment and replace it with a modern, efficient HVAC system in no time at all.