Summary
Overview
Work History
Skills
Timeline
Generic

David A. Shanahan

Boulder,CO

Summary

Detail-oriented HVAC Technician with extensive experience in system troubleshooting, preventive maintenance, and equipment installation. Committed to ensuring safety compliance and customer satisfaction.

Overview

27
27
years of professional experience

Work History

HVAC/Pipefitter

Robinson Mechanical
Boulder, CO
02.1999 - 03.2005
  • Installed and repaired piping systems using hand and power tools
  • Interpreted blueprints and schematics to determine layout of piping installations
  • Collaborated with team members to ensure safety compliance during installations
  • Assisted in diagnosing and troubleshooting pipe system issues efficiently

HVAC Technician

Trinity Mechanical
Boulder, CO
03.2005 - 06.2010
  • Conducted routine maintenance checks on heating and cooling units to extend equipment lifespan.
  • Trained new technicians on best practices for equipment handling and safety protocols.
  • Developed preventive maintenance schedules to minimize emergency repair incidents for clients.
  • Performed troubleshooting on HVAC systems to determine root cause of issues.

HVAC Technician

Baggy Mechanical
Boulder, CO
08.2010 - 05.2015
  • Implemented process improvements to enhance service delivery efficiency and reduce downtime.
  • Monitored inventory levels of HVAC parts and supplies, facilitating timely restocking efforts.
  • Performed comprehensive preventative maintenance on various types of HVAC equipment, prolonging their lifespan.

HVAC Technician

Mtech Mechanical
Westminster, CO
05.2015 - 05.2025
  • Diagnosed and repaired HVAC systems to ensure optimal performance and customer satisfaction.
  • Assisted in the installation of HVAC systems, ensuring compliance with safety regulations.
  • Collaborated with team members to troubleshoot complex system issues effectively.
  • Installed new heating, ventilation, and air conditioning systems in commercial buildings with precision and attention to detail.
  • Repaired and replaced motors, bearings and belts.

HVAC-R Service Technician

Diller Mechanical Service
Frederick, CO
05.2025 - Current
  • Diagnosed HVAC-R system issues and performed necessary repairs to ensure optimal functionality.
  • Conducted routine maintenance on heating and cooling systems, enhancing overall equipment lifespan.
  • Assisted in the installation of commercial HVAC-R units, ensuring adherence to safety protocols.
  • Collaborated with team members to troubleshoot complex system failures and implement effective solutions.

Skills

  • EPA certification
  • Thermostat installation
  • Schematic reading
  • HVAC system troubleshooting
  • Air conditioning
  • Ventilation systems
  • Equipment installation
  • Heating systems
  • Cooling systems maintenance
  • System installation
  • Leak testing
  • System maintenance
  • Piping systems
  • Boiler systems
  • Blueprint interpretation

Timeline

HVAC-R Service Technician

Diller Mechanical Service
05.2025 - Current

HVAC Technician

Mtech Mechanical
05.2015 - 05.2025

HVAC Technician

Baggy Mechanical
08.2010 - 05.2015

HVAC Technician

Trinity Mechanical
03.2005 - 06.2010

HVAC/Pipefitter

Robinson Mechanical
02.1999 - 03.2005
David A. Shanahan