What Does An HVAC Mechanic Do?

WHAT DOES AN HVAC MECHANIC DO?

Published: Aug 5, 2025 - The Heating, Ventilating and Air Conditioning (HVAC) Mechanic performs troubleshooting, repairs, and overhauls of both major and minor mechanical systems to ensure equipment reliability and optimal performance. This role involves conducting air and water balance testing, adjusting HVAC systems for comfort control, environmental compliance, and resolving electrical control issues using testing instruments and schematics. The mechanic also maintains detailed service records, ensures safety in all tasks, and provides courteous, efficient support to staff, patients, and visitors.

A Review of Professional Skills and Functions for HVAC Mechanic

1. HVAC Mechanic Details

Shutdown Assistance: Assist with other crafts on shutdowns involving heating and cooling, and power supply for refrigerated systems.
Water Treatment: Chemical treatment of water on the heating and cooling loop to prevent corrosion and scale formation.
Water Testing: Test to determine the quality of water in the system.
HVAC Compliance: Work on HVAC equipment in accordance with the correct procedures.
Efficiency Improvements: Recommend changes in existing equipment and conditions for better operating efficiency.
System Installation: Install new air conditioning units and systems, connecting the systems to required services and testing for proper operation.
Control Maintenance: Install, calibrate, and maintain manual, automatic pneumatic, and electronic controls on all HVAC equipment.
Technical Support: Obtain assistance on complicated electronics or pneumatic controls.
Tool Maintenance: Maintain tools, equipment, and the assigned work area.
Supply Requisitioning: Prepare requisitions for supplies or materials required for the given, authorized work in accordance with established procedures.
HVAC Soldering: Perform and braze and solder on HVAC equipment in accordance with recognized and proper procedures.
System Diagnostics: Repair, maintain, and diagnose problems regarding centralized air handling units for both electrical and pneumatic controls, including refrigerated air conditioning units, and walk-in boxes, cold rooms, and chillers for certain areas.
Issue Response: Respond to complaints about heating or cooling.
Comfort Adjustment: Make adjustments to bring it up to the necessary comfort levels as required by the occupants.
System Balancing: Test and balance the heating, cooling, ventilating, and air conditioning systems to conform to the proper specifications and code requirements.

2. HVAC Mechanic Job Summary

System Monitoring: Operate and monitor building systems and equipment through the Building Automation System or Energy Management System, to the extent permitted by the features implemented.
Diagnostics Troubleshooting: Use the system’s diagnostics to troubleshoot and isolate problems in building systems and equipment.
Alarm Response: Respond to all alarms.
Self-Diagnostics Use: Use system self-diagnostics to assist in maintaining the system.
Specialist Coordination: Call for specialized subcontracted system maintenance.
System Programming: Program environmental systems to start up or shut down and adjust the system.
System Operation: Operate and maintain one or more systems that provide such services as heat, air conditioning (cool, humidify, dehumidify, filter, and circulate air), refrigeration, steam or high temperature water, or electricity.
Equipment Mounting: Mount compressors, condensers, chilling units, and employee equipment on platforms or floors using tools of the trade.
Duct Fabrication: Fabricate and install ducts and employee air handling equipment.
Electrical Maintenance: Maintain and repair electrical components of HVAC and employee systems.
Coolant Handling: Inject, test, and recover coolant.
Environmental Compliance: Maintain building environmental conditions per contract specifications.
Service Call Response: Immediately responds to all service calls related to this area.

3. HVAC Mechanic Job Description

System Monitoring: Observe and interpret readings on gauges, meters, and charts that register various aspects of system operation.
Control Adjustment: Adjust controls to ensure safe and efficient operation of the system and to meet the required demands on the system.
Log Maintenance: Maintain operating logs of equipment and perform administrative work in relation to listed responsibilities, as directed by management.
Data Recording: Record various aspects of system operation.
Equipment Upkeep: Maintain engines, machinery, and equipment of the system in good working order.
System Repairs: Perform preventive maintenance, service calls, diagnostic services, incidental, minor, and major repairs on all architectural, structural, mechanical, electrical (less than 600 volts), and HVAC systems and equipment.
Repair Specifications: Assist with written specifications for major repairs or for the production of parts ordered from machine shops.
Team Coordination: Direct and coordinate the activities of other workers in performing tasks directly related to operating and maintaining designated systems.
Area Inspections: Perform tours of areas and/or equipment as directed by management.
Tour Responsibilities: Responsible for including, but not limited to, HVAC equipment, air compressors, pumps, electrical systems, fire/safety systems, or other similar items that may be designated as tour items by management.
Troubleshooting Inspection: Inspects machines and mechanical equipment to diagnose the source of trouble.
Defect Diagnosis: Observe equipment such as pumps, compressors, generators, heat exchangers, and/or filters, in operation by conferring with operators to detect and diagnose mechanical defects or malfunctions.

4. HVAC Mechanic Functions

Machine Repair: Dismantle or partly dismantle machines and perform repairs that involve using hand tools or portable power tools.
Equipment Installation: Install new equipment or modify existing installations following blueprints.
Pipe System Maintenance: Lay out, assemble, install, and maintain pipe systems, pipe supports, and related hydraulic and pneumatic equipment for steam, hot water, heating, cooling, lubricating, sprinkling, water, and drainage systems, applying knowledge of system operation and following blueprints.
Material Selection: Selects the type and size of pipe and related materials and equipment, according to specifications.
Installation Planning: Plan installation or repair to avoid obstructions and to avoid interfering with the activities of other workers.
Pipe Fabrication: Cut, thread, and bend pipe.
Pipe Assembly: Assemble and install a variety of metal and nonmetal pipes, tubes, and fittings, connect pipes, and secure pipes to the structure.
Work Order Completion: Complete work orders for labor hours and data collection, purchase and other required forms.
Technical Reference Use: Uses technical manuals, specifications, drawings, and stock lists.
Work Area Cleanliness: Maintain a clean work area.
Emergency Response: Perform after-hours, weekend, and emergency callback services.
Safety Compliance: Responsible for compliance with Training and Safety requirements as promulgated

5. HVAC Mechanic Tasks

Customer Service: Assist in promoting brand loyalty by engaging in exceptional customer service to both external and internal customers.
Motor Lubrication: Grease motors and bearings.
Filter Maintenance: Responsible for honeycomb filters and changing the UV bulbs.
Area Cleaning: Clean and maintain all work areas (chiller room, boiler room, etc.).
Log Sheet Entry: Complete computer log sheets for all central plants.
Cooling Tower Maintenance: Maintain cooling towers, water pumps, and other related equipment.
Tower Monitoring: Monitor cooling towers.
Tool Organization: Keep all tools and equipment in assigned areas.
Tool Care: Cleans and cares for all tools and equipment.
Chemical Safety: Keep all chemicals in assigned areas with proper labels (SDS).
Power Tool Operation: Operate handheld power equipment and tools.
Inventory Management: Keep a stock of cleaning materials and equipment needed to do the work.
Supply Reporting: Inform the supervisor when more materials are needed or when equipment is in need of repair or replacement.
High-Demand Efficiency: Work efficiently in a fast-paced, high-demand environment.

6. HVAC Mechanic Details and Accountabilities

Steam Equipment Operation: Operate and monitor equipment, which admits steam into each building from the central distribution point and pressure-reducing stations.
Steam Regulation: Ensure that steam is admitted into pipes at the proper rate, and monitor refrigeration compressors and auxiliary equipment.
System Inspection: Inspect and adjust air handlers, pumps, steam valves, electrical and pneumatic control systems, etc.
Repair Adjustments: Make minor and major adjustments and repairs.
Preventive Maintenance: Perform preventative maintenance such as repairing water and steam valves, cleaning and oiling machinery, and making minor electrical and/or other repairs to water, gas, and steam pipes, and other equipment.
Mechanical Patrols: Make regular patrols through mechanical rooms.
Condition Recording: Record the condition and operation of equipment to ensure it's being scheduled into the preventative program before failure.
Light Welding: Perform minor welding and cutting, using acetylene or an arc welder.
Exhaust Fan Repair: Troubleshoot, repair, and replace general and laboratory exhaust fan systems.
Equipment Overhaul: Inspect, dismantle, repair, and reassemble equipment.
Water Quality Testing: Complete tests for chemical control of boiler water, cooling water, and condensate.
Shift Supervision: Provide working supervision to Maintenance Workers assigned to the same shift, making work assignments, providing work instructions, and checking completed work.

7. HVAC Mechanic Overview

HVAC Maintenance: Install and maintain HVAC equipment by routinely inspecting motors, compressors, temperature, humidity controls, and electrical systems.
Part Replacement: Repair or replace broken or defective parts and fixtures.
Preventive Servicing: Perform preventative maintenance services on breakers, compressors, transformers, and pressure gauges.
System Diagnostics: Identify and correct defective or damaged systems.
Unit Installation: Plan and install evaporator units, pipes, tubing, conduit, and thermostats in the buildings.
Inventory Management: Maintain and organize parts inventory by receiving and labeling ordered parts and equipment.
Parts Tracking: Place parts and equipment on designated shelves, logging and accounting for parts and equipment received and used.
Usage Analysis: Analyze logs to determine the frequency of use and the need for replacement.
Documentation Tracking: Keep track of owner's manuals, warranty expiration dates, and service bulletins.
Work Area Safety: Maintain a safe work and storage area by cleaning and organizing the designated storage area, storing tools and materials.
Tool Maintenance: Repair or replace old or broken tools following established procedures, and follow safety standards while using tools.
Team Support: Assist the Chief Engineer by providing guidance to team members, monitoring performance, and reporting out-of-compliance behaviors to the Maintenance Supervisor.

8. HVAC Mechanic Job Description

Mechanical Troubleshooting: Perform troubleshooting and repairs, including major overhauls to major and minor mechanical equipment.
Equipment Reliability: Ensure reliable equipment to perform its intended function.
System Balancing: Perform air and water balance testing on HVAC systems and make adjustments to such systems according to specifications using appropriate instrumentation and measuring techniques.
Comfort Control: Ensure proper operation for comfort control and to meet airflow requirements or other environmental criteria.
Electrical Repair: Troubleshoot and repair electrical control systems related to HVAC mechanical systems of the building through the use of electrical testing equipment and the interpretation of electrical control schematics.
Work Documentation: Complete work tickets thoroughly and according to departmental procedure.
Recordkeeping: Ensure accurate records of equipment history, project documentation, cost data, and other maintenance activities.
Customer Interaction: Interact positively and courteously with staff, patients, and visitors while providing maintenance activities.
Guest Assurance: Instill confidence in guests that problems are addressed competently and promptly.
Safety Compliance: Assure personal safety and the safety of others by safe use of tools and materials.

9. HVAC Mechanic Functions

BAS Troubleshooting: Troubleshoot HVAC equipment and controls using the Building Automation System (BAS) to determine problems and perform necessary repairs.
Code Compliance: Work is to be done in a neat and workmanlike manner and according to the applicable building, mechanical, and electrical codes.
Preventive Maintenance: Maintain HVAC and BAS equipment on an ongoing basis as part of C&W Services' Preventive Maintenance program.
System Improvement: Make recommendations for the improvement of the operation of existing HVAC systems and design/layouts for future HVAC systems.
HVAC Training Support: Assist in the on-the-job training of HVAC mechanics and trainees.
Minor Installation: Install minor ductwork, refrigeration piping, air conditioning units, and exhaust equipment.
Kitchen Equipment Maintenance: Repair and maintain kitchen equipment such as walk-in coolers, freezers, refrigerators, and ice makers, plus perform general maintenance on equipment and machinery, including air compressors and dryers.
General Duties: Perform other related duties such as shoveling snow, assisting other tradesmen, and emergency repairs.
Specialized Equipment Work: Work on critical computer room units, lab air conditioning units, environmental chambers, fume hoods, and kitchen equipment.
Advanced Controls Repair: Troubleshoot and repair complex electronic, pneumatic, and DDC controls.
Large Unit Repair: Repair and maintain 20-ton and above VAV units, centrifugal chillers, and gas and oil-fired boilers.
HVAC System Design: Design, layout, and install new HVAC equipment and systems with minimum supervision.
Regulatory Compliance: Ensure compliance with all company/customer regulations, policies, and procedures.
Performance Expectations: Achieve performance expectations set forth as part of performance appraisals, to include employee development planning.
Team Communication: Communication with all team members to support the development of short- and long-range planning in support of the company’s goals and objectives.
Safe Task Execution: Perform assigned tasks in a safe, effective, and efficient manner.
Customer Relations: Maintain positive customer and employee relations.

10. HVAC Mechanic Duties and Roles

Daily Operations Support: Assist in and conduct the required daily operations, repair, and maintenance of buildings’ HVAC systems.
Team Supervision: Supervise HVAC staff, assign and monitor maintenance projects.
Preventive Maintenance: Perform and supervise preventive maintenance duties, including changing filters, oiling motors, inspecting/adjusting belts, replacing motor bearings, aligning shafts, and conducting annual inspections as specified by manufacturers.
Program Improvement: Recommend improvements for the preventive maintenance program on an ongoing basis.
Procedure Development: Develop and maintain effective building-specific maintenance procedures.
Contractor Coordination: Coordinate maintenance efforts with outside contractors and technicians.
Inventory Control: Maintain stock inventory control.
Emergency Response: Respond immediately to emergency situations (fire, evacuation, equipment failure, etc.) and customer concerns.
Code Compliance: Comply with all applicable codes, regulations, governmental agencies, and company directives as related to building operations and practice safe work habits.

11. HVAC Mechanic Responsibilities and Key Tasks

OJT Leadership: Lead personnel in HVAC-R task work while supporting their acquisition, or enhancement, of technical knowledge and skill on the job (OJT).
Targeted Training: Provide ‘targeted’ OJT and ‘opportunity’ OJT.
Skill Advancement: Lead personnel, in trainee/developmental level HVAC work to advanced level HVAC-R work, from routine and non-routine maintenance, diagnostics and emergency repairs of commonplace HVAC equipment and systems to journey, or higher, level diagnostics and modifications of rare or complex HVAC-R equipment and systems of APS.
Workplace Safety: Help ensure the safety of the work area and ensure that others, especially but not limited to those in one’s charge for the period of assignment, work safely.
Assignment Coordination: Confer with the supervisor to learn the nature of work assignments and training needs, and to advise or consult on crew assignments, equipment to be used, and materials to be obtained or purchased.
Training Assessment: Support the supervisor in assessing the knowledge/skills of lower-grade HVAC-R Mechanics and in identifying OJT and classroom training responses for knowledge/skill building purposes.
Instruction Delivery: Give written or oral instructions, demonstrate techniques, and otherwise train and coach - some training/coaching may be accomplished by radio or phone.
Special Instruction: Provide special instructions.
Training Communication: Perform related training-communication-information functions, all as deemed necessary, or to accomplish task work or to facilitate learning.
Documentation Handling: Prepare or collect and maintain or forward associated documentation, such as attendance sheets and training logs.
SOJT Tracking: Complete formal SOJT (supervised OJT) job books to track specific items of individual learning and task work accomplishments in knowledge/skill-building-oriented assignments and in daily, or as-required, tasks as they arise (which may facilitate learning, but are not inherently designed for learning).

12. HVAC Mechanic Roles and Details

Assignment Preparation: Prepare for assignments by reviewing work orders and maintenance schedules, conferring with the supervisor, etc.
Inventory Management: Use a computerized system to order materials and equipment, and maintain stock and tools on the service truck.
Parts Requisitioning: Responsible for requisitioning parts and materials from vendors and supply houses in accordance with procedures.
System Troubleshooting: Maintain and troubleshoot reciprocating and centrifugal chillers, cooling towers, boiler plants, gas piping, hot water, chilled water and steam piping, direct expansion systems, fans, starters, HVAC pneumatic and electric controls, electrostatic filters, condensate drains, domestic refrigerators, walk-in coolers and freezers, fountain equipment and ice makers.
Component Installation: Install new motors, pumps, compressors and other parts.
System Adjustment: Make initial settings and final adjustments of refrigeration, heating and air conditioning systems, and modify existing installations to obtain required results.
Valve Rebuilding: Perform related tasks, such as rebuilding hot and chilled water valves by grinding seats and calibrating to the manufacturer’s specifications.
Component Repair: Replace or repair timers, electrical switches, solenoids and electrical controls, replace seals on pumps and adjust to close tolerances for water-tight fits.
Routine Servicing: Take readings, lubricate parts, tighten/replace belts, replace air filters, reset controls on electronic filters, and lubricate parts.
Cleaning and Piping: Clean coils, cuts, threads and replaces or reroutes piping, and installs ductwork and diffusers.
Inspection Support: Facilitate the work of County building inspectors and Fire Department inspectors on periodic inspections, such as annual dismantling of components of boilers.
Underground Repairs: Dig up and replace steam and hot water lines.

13. HVAC Mechanic Key Accountabilities

Work Inspection: Inspect routine maintenance work performed by lower-grade personnel and special program personnel, such as summer student workers and community service workers.
Field Training: Provide on-the-spot corrections and training.
Refrigerant Recovery: Recover refrigerant from all types of equipment.
Leak Repair: Repair refrigerant leaks and recharge units.
Ventilation Maintenance: Maintain various ventilation systems, such as roof-heated make-up air units, paint booths, heaters, kitchen and shop ventilation, and restrooms and building exhausts.
VFD Troubleshooting: Troubleshoot VFDs on water pumps and air-handling units.
Pump Repair: Repair water pumps, seals, bearings, and couplings.
System Control: Start, stop, adjust, and modify equipment parameters from the central computer that controls the mechanical equipment.
Performance Monitoring: Monitors the performance of equipment/systems.
Climate Adjustment: Adjust controls manually or via energy management computer to keep buildings, offices, and classrooms at preset comfort ranges for heating and cooling.
Work Reporting: Keep records and make reports of work accomplished (such as completion of work orders) and materials used (such as filters, lubricants, refrigerants, special chemicals and cleaning solvents).
MSDS Completion: Fill out Material Safety Data Sheets (MSDS).
Customer Interaction: Interact with the school principal, the building manager and others in a customer service-oriented manner, proactively (initiates contact) as well as reactively (responds to customer service calls/work orders).

14. HVAC Mechanic Role Purpose

Complaint Investigation: Investigate heating and cooling complaints (from system failure to personal thermal discomfort).
System Assessment: Assess HVAC system performance.
Load Calculation: Calculate heat loads using specialized software and considering nature, occupancy and use of the facility and other factors.
Leakage Testing: Conduct duct leakage assessments (by pressurizing a duct system to a known pressure and measuring the rate at which the pressure reduces).
System Balancing: Test and balance the system to supply each conditioned zone with the precise amount of supply air required to offset a given heat gain.
Support Coordination: Coordinate with in-house or contractor support, in accordance with procedures.
Heat Analysis: Conduct a heat gain/loss analysis (to quantify the amount of heat entering/exiting a building) to properly size HVAC equipment for a building, in helping to support the development of specifications for a new system.
Tech Monitoring: Stay abreast of technological advances and other developments affecting APS HVAC-R equipment and systems, including but not limited to advances in materials, controls or ‘green technology’ that may be applied to APS without undue cost, signs that equipment needs replacement before the end of its predicted useful life, and indications that deferred maintenance is adversely impacting system utility/performance.
Supervisor Reporting: Note the impact and bring information forward to the supervisor, with or without recommendations.

15. HVAC Mechanic Essential Functions

Communication Skills: Demonstrate communication skills clearly and effectively, using written and verbal techniques.
Telephone Etiquette: Maintain telephone etiquette by introducing oneself and the department.
Welcoming Demeanor: Convey a respectful and welcoming attitude towards others through verbal and non-verbal techniques (i.e., smiles, maintains eye contact, makes introductions, etc).
Active Listening: Listen carefully to others, and clarify to ensure mutual understanding.
Professional Interaction: Address all associates and customers in a respectful, professional manner.
Training Records: Maintain up-to-date individual educational records.
Unit Mounting: Mount compressors and condenser units.
Ductwork Fabrication: Fabricates and installs ductwork.
Component Connection: Connect motors, compressors, and control valves.
Equipment Repair: Make repairs to ice machines and service all air conditioning units, water coolers, and kitchen equipment.
Pipe Threading: Cut pipe threads for steam line repairs.
Tubing Joining: Join tubing to couplings, unions, etc., using torches and solder joints.

16. HVAC Mechanic Additional Details

Circuit Rewiring: Follow blueprints and specifications to rewire circuits.
Controller Calibration: Responsible for calibrates controllers.
System Knowledge: Demonstrate thorough knowledge of the system.
PM Execution: Execute PM tasks correctly and efficiently.
Problem Prevention: Anticipate potential problems and take action.
Operational Insight: Develop insights for more efficient operation.
Chemical Competency: Demonstrate competency in chemical treatment.
Chemistry Monitoring: Recognize and report changes in chemistry.
Safe Handling: Handle testing and transportation safely.
Instruction Compliance: Follow instructions thoroughly and accurately.
Electrical Safety: Demonstrate thorough knowledge of electrical safety.
Lockout Procedures: Demonstrate thorough knowledge of "lock-out-tag-out" procedures.
Hazard Prevention: Anticipate unsafe situations or conditions and take preventive actions.
Regulatory Compliance: Fulfill all compliance responsibilities related to the position.

17. HVAC Mechanic Roles

Alarm Response: Respond to alarms and events created from the Siemens BMS system.
Equipment Modification: Initiate major repair and modification to equipment to obtain maximum performance.
Breakdown Repair: Troubleshoot and repair all types of breakdowns, perform Preventive Maintenance (PM) functions working alone or with little or no direction.
Plumbing Work: Perform major plumbing of all sizes of copper, silver solder work.
Component Adjustment: Recognize and remedy a valve or component that is out of adjustment or needs to be replaced.
Compressor Rebuild: Rebuild compressors, pumps, etc, with no assistance.
Quality Partnership: Partner with Quality to ensure processes and products are in compliance with all local, state, and federal rules and regulations.
cGMP Oversight: Oversee that processes are in cGMP compliance, and establish systems that identify opportunities for improvement.
Regulatory Knowledge: Develop knowledge of and understand regulatory requirements such as 21CFR part 210 and 211, FDA, and OSHA.

18. HVAC Mechanic Tasks

PM Program Development: Develop and maintain a preventative maintenance program for all central mechanical and refrigeration systems.
System Repair: Investigate defects in and make repairs to central mechanical and refrigeration systems, including repairs and calibration of pneumatic control systems, filter inspections and lubrication and belt changes.
Equipment Maintenance: Maintain air conditioning, refrigeration and gas-fired equipment and systems, including refrigerators, freezers, ice makers, air and water cooled window and free-standing air conditioners and their related controls, Freon flow and charge regulators, low voltage wiring devices and other mechanical parts.
System Installation: Install air conditioning and refrigeration equipment and systems as outlined above through the use of torches, fittings, gauges and other necessary equipment.
System Monitoring: Monitor and control performance with a computerized temperature control and energy management system.
Air Testing: Perform and document air quantity tests at supply and exhaust registers and main duct runs and adjust to maintain design conditions.
Inventory Maintenance: Maintain an adequate inventory of materials.
Requisition Preparation: Obtains prices of materials and prepares requisitions.
Boiler Operation: Operate and maintain high-pressure steam boilers, compressors and central chilled water generating systems, including cooling towers, pumps, gauges and controls.
Control Adjustment: Responsible for periodically adjusting controls.
General Duties: Perform other related duties, including those of a general mechanic as assigned by work order, emergency calls, or direct assignment.
Policy Compliance: Maintain quality assurance, safety, environmental and infection control in accordance with established hospital department policies, procedures and objectives.
Safe Conduct: Perform all duties in a safe and professional manner and in accordance with established Miriam Hospital Facilities Management Department policy and the Fleet Risk Control Policy and Procedures.

19. HVAC Mechanic Details and Accountabilities

HVAC Operations: Perform skilled preventative and repair maintenance, manage and operate the commercial HVAC/R equipment in assigned buildings.
Compressed Air Systems: Responsible for high-pressure and large-volume compressed air systems and central lab vacuum systems.
Pump Management: Responsible for heating system water pumps, chilled and condenser water pumps up to 200 HP, and moving up to 12,000 gallons per minute of chilled water to cool the campus.
Damper Control: Responsible for high volume, temperature and airflow dampers are connected to the campus automated control system.
Zone Control Systems: Responsible for individual room and zone temperature and ventilation control systems that are connected to the campus automated control system.
Smoke System Maintenance: Maintain high-volume building smoke evacuation fans and fire dampers.
Air Filtration: Build an air filtration system vital for indoor air quality and building occupants’ health.
Seasonal Readiness: Prepare, protect and monitor assigned buildings and equipment for extreme seasonal temperature swings.
Refrigerant Compliance: Refrigerant management on assigned cooling systems that hold up to 2400lbs of refrigerant to keep BYU EPA compliant.
Capital Evaluation: Capital needs assessment, inspections and life cycle evaluation on assigned equipment.
Refrigeration Oversight: Responsible for environmental growth chambers and walk-in refrigeration.

20. HVAC Mechanic Overview

Chiller Plant Operations: Operate, maintain, trouble-shoot and repair central chiller plant equipment, as well as peripheral air handling units, including electronic and electrical/pneumatic controls associated with a computerized energy management system.
Refrigeration Maintenance: Maintain and repair refrigeration equipment, including walk-in coolers/freezers, ice machines, refrigeration units, and all associated controls.
General Maintenance: Perform general maintenance and construction functions as directed by the supervisor.
Preventive Maintenance: Perform preventative maintenance on all equipment in accordance with the operator's manual.
Maintenance Documentation: Document preventative maintenance performed on assigned equipment.
Parts Inventory: Responsible for maintaining an inventory of parts that may be needed for repairs.
System Troubleshooting: Troubleshoot and repair a wide variety of hospital electro-mechanical equipment and systems.
Environmental System Repair: Perform the maintenance, diagnostic testing, overhauling, installation, and effect repairs on a large variety of types of refrigeration, dehumidification, air-conditioning, ventilation and heating systems equipment, and controls, within critically controlled environmental installations.
HVAC Repair Proficiency: Build maintenance tasks, which must be performed to proficiency, including, but not limited to, making adjustments and repairs to HVAC and electrical systems.

21. HVAC Mechanic Functions

System Balancing: Perform related work assigned or required, such as balancing capacities and loads of refrigeration and air conditioning equipment.
Project Estimation: Lay out and/or make estimates for repairs and new installations.
Parts Ordering: Order parts and equipment.
Fuel System Maintenance: Operate, repair, and maintain the fuel systems.
Code Compliance: Understand the International Petroleum Gas Code, in accordance with EPA requirements, State of Texas DEQ regulations, and the manufacturer's specifications.
Emergency Preparedness: Meet the Installation's safety (including inclement weather for snow and ice control) and security needs during lockdown conditions.
Emergency Response: Responsible for emergency management/response team as required by the company to meet contract requirements.
HVAC Installation: Install, maintain, test and repair HVAC systems, fan coil units, heat pumps, air handling units, related piping systems, control valves and controls and all other related equipment, in accordance with the State of Hawaii.
Heat Pump Servicing: Troubleshoot, recharge, clean, repair, and check all heat pump systems with the Ameresco Portfolio.
Device Calibration: Make necessary adjustments and calibration of related control devices.

22. HVAC Mechanic Tasks

Preventive Maintenance: Perform routine preventative maintenance tasks on various Hospital systems and equipment.
Operational Efficiency: Ensure optimum efficiency, reliability and safety.
OSHA Compliance: Maintain full compliance with OSHA lockout/tag out safety practices.
PPE Usage: Consistently utilizes approved PPE for safety.
Out-of-Service Protocol: Responsible for labeling equipment out of service and informing staff of backup equipment in a timely manner.
Radio Communication: Properly operate and respond to the use of two-way radio communications in a timely manner.
Team Support: Assist other department staff and accept additional responsibilities as given by the department Manager.
HVAC Maintenance: Perform HVAC-related preventive maintenance.
Job Estimation: Estimate the time and materials needed for particular jobs.
Print Updating: Prepare and update prints.
Safety Standards Compliance: Ensure compliance with company, industry, and regulatory safety standards and protocols.

23. HVAC Mechanic Details and Accountabilities

HVAC Troubleshooting: Troubleshoot HVAC and refrigeration-related problems and issues and perform the necessary repairs or corrective measures.
Precision Repair: Perform repairs to HVAC and refrigeration systems and equipment correctly with attention to detail and no callbacks.
HVAC Proficiency: Demonstrate proficiency and skill in working with various varieties of HVAC equipment, tools and materials.
Medical Gas Repair: Perform repairs to medical gas system equipment and components.
Preventive Maintenance: Perform Preventive Maintenance on HVAC and/or refrigeration equipment and systems.
Tube System Repair: Perform repairs to the pneumatic tube system.
Fan Installation: Install fan systems on "mounts" or in-line.
System Installation: Complete all HVAC system installations efficiently and accurately within a manufacturing plant environment.
Work Area Cleanliness: Maintain a clean, organized work cell and participate actively in all training exercises, morning meetings, and technical vendor training.
Apprentice Training: Train and mentor apprentices to ensure on-time, high-quality installations.

24. HVAC Mechanic Roles and Details

HVAC Maintenance: Maintain heating, ventilation and cooling equipment and controls in proper operation, control and balance by performing the following essential functions.
System Servicing: Install, service and repair environmental-control systems utilizing knowledge of refrigeration and/or hydronic systems, air-side equipment/components, piping, valves, ductwork, and controls.
Fan Installation: Install fan systems on mounts or in-line.
Refrigerant Injection: Inject a small amount of refrigerant into the compressor to test systems and add Freon gas to build up the prescribed operating pressure.
Leak Testing: Test joins and connections for gas leaks, using gauges or a soap and water solution.
Pipe Insulation: Wrap pipes in insulation batting and secure them in place with cement or wire bands.
AC Unit Servicing: Install, repair and service self-contained air conditioning units.
Air Balancing: Provide test and balancing for air-side systems.
Control System Operation: Operate building automation control systems (i.e., BAS or EMCS).
BAS Troubleshooting: Troubleshoot and repair, especially BAS air-side components and controls, such as dampers and temperature and humidity sensors.
Safety Compliance: Observe and follow all safety rules and procedures, including wearing required personal safety equipment.

25. HVAC Mechanic Responsibilities and Key Tasks

HVAC System Support: Assist in installation, alteration, repair, operation, maintenance, adjustment and monitoring of chiller systems, air-conditioning and heating units, fans, ductwork systems, including variable air-volume and dual-duct systems and the associated control systems (pneumatic, digital, and electronic), steam condensate and vacuum pumps, including recovery, recycling, and reclamation of refrigerants.
Heat Exchanger Maintenance: Perform routine journey-level maintenance on heat exchangers and controls for heating domestic and industrial hot water.
HVAC Piping: Assist in piping repair and installation, related to the HVAC system, including drain lines.
Boiler Inspection: Inspect, operate, and repair low-pressure boiler systems and related heating equipment.
Pneumatic Repairs: Assist in repairing and replacing pneumatic control lines and valves relating to pressure reducing stations, radiators, heating and cooling coil control valves, unit heaters, boiler control, and thermostatic controls.
Building System Management: Manage building conditions through the utilization of computerized energy/building management systems and equipment.
Electrical Replacement: Demonstrate the ability to replace single electrical devices such as motors, fuses and switches.
Boiler Room Repair: Troubleshoot and repair plant-wide HVAC boiler room systems.
Tool Operation: Operate and perform maintenance on band saw, drill press and welding equipment.
HVAC Troubleshooting: Maintain the ability to troubleshoot, repair, and rebuild HVAC equipment without supervision.
Reporting Structure: Report to a supervisor, manager, director, or executive.

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