Install, service, and repair heating and air conditioning systems in residences and commercial establishments.

• Air and Hydronic Balancing Technician
• Evaporative-Cooler Installer
• Furnace Installer
• Furnace Installer-and-Repairer, Hot Air
• Heating-and-Air-Conditioning Installer-Servicer
• Oil-Burner-Servicer-and-Installer
• Solar-Energy-System Installer

• Adjust system controls to setting recommended by manufacturer to balance system, using hand tools.
• Assemble, position and mount heating or cooling equipment, following blueprints.
• Assist with other work in coordination with repair and maintenance teams.
• Comply with all applicable standards, policies, and procedures, including safety procedures and the maintenance of a clean work area.
• Cut and drill holes in floors, walls, and roof to install equipment, using power saws and drills.
• Discuss heating-cooling system malfunctions with users to isolate problems or to verify that malfunctions have been corrected.
• Fabricate, assemble and install duct work and chassis parts, using portable metal-working tools and welding equipment.
• Generate work orders that address deficiencies in need of correction.
• Inspect and test system to verify system compliance with plans and specifications and to detect and locate malfunctions.
• Install auxiliary components to heating-cooling equipment, such as expansion and discharge valves, air ducts, pipes, blowers, dampers, flues and stokers, following blueprints.
• Install, connect, and adjust thermostats, humidistats and timers, using hand tools.
• Join pipes or tubing to equipment and to fuel, water, or refrigerant source, to form complete circuit.
• Lay out and connect electrical wiring between controls and equipment according to wiring diagram, using electrician's hand tools.
• Measure, cut, thread, and bend pipe or tubing, using pipe fitter's tools.
• Obtain and maintain required certifications.
• Reassemble and test equipment following repairs.
• Recommend, develop, and perform preventive and general maintenance procedures such as cleaning, power-washing and vacuuming equipment, oiling parts, and changing filters.
• Record and report all faults, deficiencies, and other unusual occurrences, as well as the time and materials expended on work orders.
• Repair or replace defective equipment, components, or wiring.
• Study blueprints, design specifications, and manufacturers' recommendations to ascertain the configuration of heating or cooling equipment components and to ensure the proper installation of components.
• Test electrical circuits and components for continuity, using electrical test equipment.
• Test pipe or tubing joints and connections for leaks, using pressure gauge or soap-and-water solution.
• Wrap pipes in insulation, securing it in place with cement or wire bands.

• adhere to safety procedures
• adjust or set mechanical controls or components
• analyze operation of malfunctioning electrical or electronic equipment
• apply cleaning solvents
• assemble and install pipe sections, fittings, or plumbing fixtures
• assemble, dismantle, or reassemble equipment or machinery
• bend pipes
• bend tubing or conduit
• conduct performance testing
• conduct tests to locate mechanical system malfunction
• control HVAC equipment
• cut, bend, or thread pipe for gas, air, hydraulic, or water lines
• determine installation, service, or repair needed
• determine material or tool requirements
• determine project methods and procedures
• diagnose mechanical problems in machinery or equipment
• estimate time or cost for installation, repair, or construction projects
• fabricate ducting
• fabricate sheet metal parts or items
• fabricate, assemble, or disassemble manufactured products by hand
• identify properties of metals for repair or fabrication activities
• inspect machinery or equipment to determine adjustments or repairs needed
• install electrical conduit or tubing
• install electrical fixtures or components
• install electronic equipment, components, or systems
• install equipment or attachments on machinery or related structures
• install insulating materials
• install or replace meters, regulators, or related measuring or control devices
• install sheet metal assemblies in supportive framework
• install/connect electrical equipment to power circuit
• install/string electrical or electronic cable or wiring
• lay out electrical wiring for buildings, etc.
• lubricate machinery, equipment, or parts
• maintain or repair industrial or related equipment/machinery
• maintain or repair work tools or equipment
• maintain repair records
• maintain welding machines or equipment
• move or fit heavy objects
• obtain information from clients, customers, or patients
• operate sheet metal fabrication machines
• perform safety inspections in industrial, manufacturing or repair setting
• plan layout of electrical/electronic equipment installation
• position, align, or level machines, equipment, or structures
• pressure test piping system or equipment for leaks
• read blueprints
• read schematics
• read specifications
• read technical drawings
• read work order, instructions, formulas, or processing charts
• repair or adjust measuring or control devices
• repair or replace electrical wiring, circuits, fixtures, or equipment
• repair or replace gas, steam, sewer, or water piping or fixtures
• repair or replace malfunctioning or worn mechanical components
• repair refrigeration or HVAC equipment
• replace electronic components
• solder electrical or electronic connections or components
• test electrical/electronic wiring, equipment, systems or fixtures
• test electronic or electrical circuit connections
• test mechanical products or equipment
• understand detailed electronic design specifications
• understand service or repair manuals
• understand technical operating, service or repair manuals
• use acetylene welding/cutting torch
• use arc welding equipment
• use basic plumbing techniques
• use combination welding procedures
• use electrical or electronic test devices or equipment
• use electronic calibration devices
• use hand or power tools
• use hand or power woodworking tools
• use high voltage apparatus
• use knowledge of metric system
• use knowledge of ventilation systems
• use knowledge of welding filler rod types
• use oral or written communication techniques
• use pipe fitting equipment
• use precision measuring devices in mechanical repair work
• use precision tools in electronics repair
• use pressure gauges
• use soldering equipment
• use tube bending equipment
• use voltmeter, ammeter, or ohmmeter
• weld together metal parts, components, or structures