Sergio Herrera

. Performed troubleshooting, Repair, andMaintance of Commercial HVAC Systems

. Diagnosed electrical and mechanical failures in rooftop units, air handlers, furnaces, split systems.

. Conducted preventive maintance to ensure system reliability and minimize downtime.

. Worked with high and low voltage control circuits in accordance with safety standards.

. Maintained accurate service records, inspections, and work orders documentation.

. After hours support as required.

. Provided technical guidance and support to junior technicians.

Performed troubleshooting, Repair, andMaintance of Commercial HVAC Systems

. Diagnosed electrical and mechanical failures in rooftop units, air handlers, furnaces, split systems.

. Conducted preventive maintance to ensure system reliability and minimize downtime.

. Worked with high and low voltage control circuits in accordance with safety standards.

. Maintained accurate service records, inspections, and work orders documentation.

. After hours support as required.

. Provided technical guidance and support to junior technicians.

Performed troubleshooting, Repair, andMaintance of Commercial HVAC Systems

. Diagnosed electrical and mechanical failures in rooftop units, air handlers, furnaces, split systems.

. Conducted preventive maintance to ensure system reliability and minimize downtime.

. Worked with high and low voltage control circuits in accordance with safety standards.

. Maintained accurate service records, inspections, and work orders documentation.

. After hours support as required.

. Provided technical guidance and support to junior technicians.

Performed troubleshooting, Repair, andMaintance of Commercial HVAC Systems

. Diagnosed electrical and mechanical failures in rooftop units, air handlers, furnaces, split systems.

. Conducted preventive maintance to ensure system reliability and minimize downtime.

. Worked with high and low voltage control circuits in accordance with safety standards.

. Maintained accurate service records, inspections, and work orders documentation.

. After hours support as required.

. Provided technical guidance and support to junior technicians.

Performed troubleshooting, Repair, andMaintance of Commercial HVAC Systems

. Diagnosed electrical and mechanical failures in rooftop units, air handlers, furnaces, split systems.

. Conducted preventive maintance to ensure system reliability and minimize downtime.

. Worked with high and low voltage control circuits in accordance with safety standards.

. Maintained accurate service records, inspections, and work orders documentation.

. After hours support as required.

. Provided technical guidance and support to junior technicians.