def hvac_autosize(self):
        """ Section 6 - HVAC Autosizing (unlimited cooling & heating) """

        for i in range(len(self.BEM)):
            if self.is_near_zero(self.autosize) == False:
                self.BEM[i].building.coolCap = 9999.
                self.BEM[i].building.heatCap = 9999.