Radiant barrier vs Attic/gable exhaust fans? (Southern California)

Hi all,I keep getting conflicting information and opinions about this (as well as whole house fans).Between HVAC contractors and attic insulation contractors, some seem to swear by radiant barriers and… Hi all,I keep getting conflicting information and opinions about this (as well as whole house fans).Between HVAC contractors and attic insulation contractors, some seem to swear by radiant barriers and…Read MoreGreenBuildingAdvisor