AccountingAerospaceAgricultureArchitectureArtsBeautyBiologyBusinessChemistryComputerConstructionCulinaryDanceDentalEconomicsEducationElectricalEngineeringEnvironmentalFashionFilmFinanceFireFlightGeographyGeologyGraphicHistoryHospitalityHVACInteriorJournalismLanguagesLawLiteratureManagementMarketingMassageMathematicsMechanicMedicalMusicNursingOTPerformingPetroleumPharmacyPhysicsPolicePoliticsPsychologySecretarySocial WorkSociologySportTheatreTheologyTruckingVeterinaryWeather
California is an OK state to get your HVAC diploma. There are 2 community colleges offering respective programs in California, and the best one is offered by Antelope Valley Community College District. That college offers a good HVAC program - three-star rating for curriculum and five-star rating for teaching.