Vehicle air conditioner and control method and program for vehicle air conditioner

Abstract

In a vehicle air conditioner for a vehicle cabin interior is split into a plurality of air-conditioned zones, that is capable of independent air conditioning control for individual air-conditioned zones, provided is a solar radiation sensor that measures solar radiation levels individually for a first air-conditioned zone and a second air-conditioned zone adjacent thereto; a judging unit () that judges whether or not a difference between the solar radiation level of the first air-conditioned zone and the solar radiation level of the second air-conditioned zone falls within a predetermined range; a first controller () that performs identical air conditioning control for the first air-conditioned zone and the second air-conditioned zone when the difference falls within the predetermined range; and a second controller () that performs independent air conditioning control individually for the first air-conditioned zone and the second air-conditioned zone when the difference falls outside the predetermined range.