A method for disinfecting an interior space in a vehicle, comprising the steps of: providing a vehicle having an interior space; providing at least one portable disinfecting apparatus (200, 300) configured to supply heated air, wherein the at least one portable disinfecting apparatus comprises: a housing having an internal area, at least one ambient air inlet, and at least one heated air outlet; a heated air generator positioned in the internal area of the housing, the heated air generator comprising a heating element; a blower positioned in the internal area of the housing, the blower configured to flow the heated air generated by the heated air generator out through the at least one heated air outlet; and a controller communicatively coupled to the heated air generator, the controller including a processor configured to activate the heated air generator to achieve the determined critical levels of the heated air in the internal area of the vehicle and maintain the determined critical levels of the heated air for the determined critical time period, and wherein the at least one portable disinfecting apparatus (200, 300) is implemented as a galley cart configured to traverse along an aisle in the interior space; determining critical levels of heated air in the interior space of the vehicle required to neutralize effects of at least one predetermined pathogen; positioning the at least one portable disinfecting apparatus (200, 300) in the interior space of the vehicle; activating the at least one portable disinfecting apparatus (200, 300) to supply the heated air to achieve the determined critical levels of the heated air in the interior space of the vehicle; and maintaining the achieved critical levels of the heated air in the interior space for a determined critical time period to disinfect the interior space; and characterized in that: the method further includes providing at least one portable exhausting apparatus, and positioning the at least one portable exhausting apparatus in the interior space of the vehicle remote from the at least one portable disinfecting apparatus; and upon deactivation of the at least one portable disinfecting apparatus after the determined critical time period, activating the at least one portable exhausting apparatus to exhaust heated air from the interior space to cool the interior space; and wherein each of the at least one portable exhausting apparatus is implemented as a galley cart configured to traverse along an aisle in the interior space. providing a vehicle having an interior space; providing at least one portable disinfecting apparatus (200, 300) configured to supply heated air, wherein the at least one portable disinfecting apparatus comprises: a housing having an internal area, at least one ambient air inlet, and at least one heated air outlet; a heated air generator positioned in the internal area of the housing, the heated air generator comprising a heating element; a blower positioned in the internal area of the housing, the blower configured to flow the heated air generated by the heated air generator out through the at least one heated air outlet; and a controller communicatively coupled to the heated air generator, the controller including a processor configured to activate the heated air generator to achieve the determined critical levels of the heated air in the internal area of the vehicle and maintain the determined critical levels of the heated air for the determined critical time period, and wherein the at least one portable disinfecting apparatus (200, 300) is implemented as a galley cart configured to traverse along an aisle in the interior space; determining critical levels of heated air in the interior space of the vehicle required to neutralize effects of at least one predetermined pathogen; positioning the at least one portable disinfecting apparatus (200, 300) in the interior space of the vehicle; activating the at least one portable disinfecting apparatus (200, 300) to supply the heated air to achieve the determined critical levels of the heated air in the interior space of the vehicle; and maintaining the achieved critical levels of the heated air in the interior space for a determined critical time period to disinfect the interior space; and characterized in that: the method further includes providing at least one portable exhausting apparatus, and positioning the at least one portable exhausting apparatus in the interior space of the vehicle remote from the at least one portable disinfecting apparatus; and upon deactivation of the at least one portable disinfecting apparatus after the determined critical time period, activating the at least one portable exhausting apparatus to exhaust heated air from the interior space to cool the interior space; and wherein each of the at least one portable exhausting apparatus is implemented as a galley cart configured to traverse along an aisle in the interior space.