Cory Roseman
Oakwood,Illinois
Summary
Performance-driven HVAC Mechanic with over 28 years of experience in the installation, maintenance, operation, and repair of HVAC, refrigeration, boiler, chiller, and piping systems. Brings extensive hands-on expertise in servicing complex mechanical equipment while ensuring safe, efficient, and reliable operations.
Currently serving as a Pipefitter/Refrigeration Mechanic with the University of Illinois Urbana-Champaign, where I have spent the past 14 years supporting facility operations and maintenance. In this role, I have frequently been entrusted to step in as Forman and Sub-Forman, helping ensure smooth departmental operations and successful completion of facility needs.
Previously served as a General Forman for Polar Refrigeration, overseeing construction projects and service department operations while maintaining a strong focus on customer service, team leadership, and operational excellence. Proven ability to lead, motivate, and manage diverse teams while supporting company goals, customer satisfaction, and overall team success.
Overview
28
28
years of professional experience
1
1
Certification
Work History
Utilities Production Refrgeration Mechanic
University of Illinois
Urbana, Illinois
02.2024 - Current
- Conducted regular Chiller and Cooling Tower inspections to ensure optimal performance.
- Collaborated with team members to troubleshoot equipment malfunctions.
- Maintained accurate records of maintenance activities and repairs conducted.
- Assisted in training new mechanics on safety procedures and equipment operation.
- Followed safety protocols to foster a safe working environment.
- Provided technical expertise and manpower to assist other mechanics with repairs.
- Monitored production process flows, ensuring smooth operations without downtime.
- Participated in continuous improvement initiatives to enhance facility efficiency.
- Conducted routine maintenance on equipment to prevent breakdowns and ensure efficiency.
- Implemented changes as directed by management in order to optimize operational efficiency.
- Assisted in troubleshooting mechanical problems as needed.
- Performed daily inspections of plant systems, identifying potential problems and taking corrective action as needed.
- Documented all repairs and maintenance activities accurately.
Refrigeration Mechanic @ Army Core Of Engineers
University of Illinois
Urbana, Illinois
08.2012 - 02.2024
- Conducted routine maintenance on HVAC systems to optimize performance and energy efficiency.
- Responded promptly to emergency service calls, effectively addressing HVAC failures.
- Troubleshot and diagnosed HVAC equipment issues, providing actionable remediation recommendations.
- Repaired or replaced defective components, including compressors, fan /blower motors, pump seals, belts and filters to enhance reliability.
- Monitored refrigerant levels and ensured compliance with environmental regulations.
- Cleaned condenser, evaporator coils and blower wheels to maintain unit efficiency on Air Handlers and Package Roof Top Units.
- Managed inventory of HVAC parts, ensuring availability for repairs and installations.
- Monitored boiler systems using computerized controls and gauges for safe operations.
- Performed water sample tests to ensure proper chemical balance in systems.
- Demonstrated strong problem-solving skills, resolving issues efficiently and effectively.
- Inspected existing refrigeration equipment to identify potential problems.
- Maintained all computer Air Conditioning systems
- Collaborated with teams on large-scale equipment projects.
General Forman
Polar Refrigeration Heating & Cooling
Urbana, Illinois
10.2001 - 08.2012
- Supervised installation and repair of refrigeration systems in residential and commercial properties.
- Managed inventory levels and ordered supplies to ensure timely project execution.
- Collaborated with clients to assess needs and deliver customized service solutions.
- Diagnosed HVAC unit issues using specialized tools, providing effective remediation recommendations.
- Repaired or replaced defective components such as compressors, motors, and fans in HVAC systems.
- Coordinated maintenance and repair service schedules with team members for operational efficiency.
- Trained new employees on company standards, safety practices, and equipment use.
- Oversaw all construction aspects, including personnel scheduling and supply management.
Maintenance Tradesmen/Residential Journeyman
Nogle & Black Mechanical
Urbana, Illinois
09.1999 - 10.2001
- Conducted routine maintenance on mechanical systems to ensure optimal performance.
- Performed onsite repairs of equipment at customer locations for improved reliability.
- Troubleshot electrical circuits using schematics and diagrams to resolve issues efficiently.
- Identified potential problems during inspections to prevent future breakdowns.
- Installed new systems in compliance with manufacturer specifications.
- Assisted with installation projects across residential and commercial sites, enhancing service delivery.
HVAC Installer
Hoveln Heating And Cooling
Thomasboro, Illinois
06.1998 - 09.1999
- Installed HVAC systems in residential and commercial buildings, including air conditioning units and furnaces.
- Serviced HVAC units for residential and commercial clients, achieving high levels of customer satisfaction.
- Performed routine maintenance on heating and cooling units, ensuring optimal performance and longevity.
- Diagnosed HVAC equipment issues using appropriate tools to maintain functionality.
- Partnered with team members to streamline installation processes, enhancing project efficiency.
- Utilized hand and power tools, such as wrenches, drills, and pipe benders, for HVAC installations.
- Wired line and low voltage connections to heating and cooling equipment.
- Maintained compliance with safety protocols and proper use of PPE during all tasks.
Education
Certification in Heating, Air Conditioning and Refrigeration (HVAC) - HVAC
Universal Technical Institute
Chicago, IL06-1998
Skills
- Skilled with working knowledge of chillers and air conditioning systems, including industrial chillers, cooling towers and pumps
- Preventive maintenance strategies
- Plant maintenance procedures
- Equipment diagnostics
- Control systems expertise
- System performance monitoring
- Blueprint interpretation
- Asset management practices
- Team building
- Customer service
- Safety compliance and In-depth knowledge of University and OSHA safety standards
- Attention to detail
- Problem solving techniques
- Team collaboration skills
- Effective communication abilities
- Computerized control systems proficiency
- Workplace safety standards
- System troubleshooting expertise
- Chiller systems management
- Work scheduling efficiency
- EPA compliance knowledge
- Building automation systems understanding
Certification
- Universal Technical Institute Air Conditioning and Refrigeration Technology Certificate May 22, 1998
- EPA Universal Certified Parkland College 05-06-00-23 October 20, 1994
- 30-Hour OSHA Outreach for General Industry 01-30-2025
- 10-Hour OSHA General Industry Training January 5, 2007
- TPC Training Air Conditioning and Refrigeration Certificate November 18,19,2019
- Crucial Conversations for Mastering Dialogue October 30, 2025
- Emergency Care & Safety Institute Coarse Vital Education and Supply November 17, 2025
- DDC Introduction to Hardware and Software Certificate ASHRAE Learning Institute May 19, 2020
- Single Zone Air handlers and Unitary Equipment ASHRAE Learning Center May 22, 2020
- Electric Controls ASHRAE Learning Center June 8, 2020
- Control Diagrams and Sequences ASHRAE Learning Center June 9, 2020
- Introduction to HVAC Control Systems ASHRAE Learning Center May 23, 2020
- Liebert Systems USA Factory Trained November 7-12 , 1999
- DDC Specification, Installation and Commissioning ASHRAE Learning Center May 19, 2020
- Consolidated Stills and Sterilizer Factory Trained October 10-16, 2006
- Copeland Compressor Tear Down School November 18-22, 2004
- Water Furnace Factory Trained July 4-9, 1998
Committees
- Best In Class Committee
- F&S Safety Committee
Professional Affiliations
- Member of the Local 149 Plumbers and Pipefitters Union 1999-Present
Timeline
Utilities Production Refrgeration Mechanic
University of Illinois
02.2024 - Current
Refrigeration Mechanic @ Army Core Of Engineers
University of Illinois
08.2012 - 02.2024
General Forman
Polar Refrigeration Heating & Cooling
10.2001 - 08.2012
Maintenance Tradesmen/Residential Journeyman
Nogle & Black Mechanical
09.1999 - 10.2001
HVAC Installer
Hoveln Heating And Cooling
06.1998 - 09.1999
Certification in Heating, Air Conditioning and Refrigeration (HVAC) - HVAC
Universal Technical Institute