Brown & Root Industrial Services - - Responsibilities: Cleans air conditioning and heating units for the purpose of ensuring units are operating correctly and within safety guidelines; Coordinates with assigned foreman and/or other maintenance staff for the purpose of completing projects and work orders efficiently; Diagnoses causes of minor problems in heating/air conditioning systems for the purpose of identifying equipment and/or systems repair and/or replacement needs; Maintains tools and equipment for the purpose of ensuring availability in safe operating condition; Performs routine and preventive maintenance for the purpose of ensuring the ongoing functioning of HVAC systems