Job Profile:      Air Conditioning Service Technician (A/C Service Tech)

Install or repair heating, central air conditioning, HVAC, or refrigeration systems, including oil burners, hot-air furnaces, and heating stoves.

Job Information
45,840 72,660 123,960

Select Tasks
Repair or replace defective equipment, components, or wiring. Discuss heating or cooling system malfunctions with users to isolate problems or to verify that repairs corrected malfunctions. Connect heating or air conditioning equipment to fuel, water, or refrigerant source to form complete circuit.
Install, connect, or adjust thermostats, humidistats, or timers. Comply with all applicable standards, policies, or procedures, such as safety procedures or the maintenance of a clean work area. Study blueprints, design specifications, or manufacturers' recommendations to ascertain the configuration of heating or cooling equipment components and to ensure the proper installation of components.
Install auxiliary components to heating or cooling equipment, such as expansion or discharge valves, air ducts, pipes, blowers, dampers, flues, or stokers. Braze or solder parts to repair defective joints and leaks. Lay out and connect electrical wiring between controls and equipment, according to wiring diagrams, using electrician's hand tools.
Inspect and test systems to verify system compliance with plans and specifications or to detect and locate malfunctions. Record and report time, materials, faults, deficiencies, or other unusual occurrences on work orders. Perform mechanical overhauls and refrigerant reclaiming.
Adjust system controls to settings recommended by manufacturer to balance system. Install expansion and control valves, using acetylene torches and wrenches. Install dehumidifiers or related equipment for spaces that require cool, dry air to operate efficiently, such as computer rooms.
Recommend, develop, or perform preventive or general maintenance procedures, such as cleaning, power-washing, or vacuuming equipment, oiling parts, or changing filters. Cut or drill holes in floors, walls, or roof to install equipment, using power saws or drills. Mount compressor, condenser, and other components in specified locations on frames, using hand tools and acetylene welding equipment.
Measure, cut, thread, or bend pipe or tubing, using pipe fitter's tools. Keep records of repairs and replacements made and causes of malfunctions. Install or repair air purification systems, such as specialized filters or ultraviolet (UV) light purification systems.
Estimate, order, pick up, deliver, and install materials and supplies needed to maintain equipment in good working condition. Schedule work with customers and initiate work orders, house requisitions, and orders from stock. Supervise and instruct assistants.
Lay out reference points for installation of structural and functional components, using measuring instruments. Lift and align components into position, using hoist or block and tackle. Install or repair self-contained ground source heat pumps or hybrid ground or air source heat pumps to minimize carbon-based energy consumption and reduce carbon emissions.
Repair or service heating, ventilating, and air conditioning (HVAC) systems to improve efficiency, such as by changing filters, cleaning ducts, and refilling non-toxic refrigerants. Test pipes, lines, components, and connections for leaks.

Select Abilities
The ability to read and understand information and ideas presented in writing. The ability to communicate information and ideas in speaking so others will understand. The ability to communicate information and ideas in writing so others will understand.
The ability to come up with a number of ideas about a topic (the number of ideas is important, not their quality, correctness, or creativity). The ability to come up with unusual or clever ideas about a given topic or situation, or to develop creative ways to solve a problem. The ability to tell when something is wrong or is likely to go wrong. It does not involve solving the problem, only recognizing there is a problem.
The ability to apply general rules to specific problems to produce answers that make sense. The ability to combine pieces of information to form general rules or conclusions (includes finding a relationship among seemingly unrelated events). The ability to arrange things or actions in a certain order or pattern according to a specific rule or set of rules (e.g., patterns of numbers, letters, words, pictures, mathematical operations).
The ability to generate or use different sets of rules for combining or grouping things in different ways. The ability to choose the right mathematical methods or formulas to solve a problem. The ability to add, subtract, multiply, or divide quickly and correctly.
The ability to remember information such as words, numbers, pictures, and procedures. The ability to quickly make sense of, combine, and organize information into meaningful patterns. The ability to identify or detect a known pattern (a figure, object, word, or sound) that is hidden in other distracting material.
The ability to quickly and accurately compare similarities and differences among sets of letters, numbers, objects, pictures, or patterns. The things to be compared may be presented at the same time or one after the other. This ability also includes comparing a presented object with a remembered object. The ability to know your location in relation to the environment or to know where other objects are in relation to you. The ability to imagine how something will look after it is moved around or when its parts are moved or rearranged.
The ability to concentrate on a task over a period of time without being distracted. The ability to shift back and forth between two or more activities or sources of information (such as speech, sounds, touch, or other sources). The ability to keep your hand and arm steady while moving your arm or while holding your arm and hand in one position.
The ability to quickly move your hand, your hand together with your arm, or your two hands to grasp, manipulate, or assemble objects. The ability to make precisely coordinated movements of the fingers of one or both hands to grasp, manipulate, or assemble very small objects. The ability to quickly and repeatedly adjust the controls of a machine or a vehicle to exact positions.
The ability to coordinate two or more limbs (for example, two arms, two legs, or one leg and one arm) while sitting, standing, or lying down. It does not involve performing the activities while the whole body is in motion. The ability to choose quickly between two or more movements in response to two or more different signals (lights, sounds, pictures). It includes the speed with which the correct response is started with the hand, foot, or other body part. The ability to time your movements or the movement of a piece of equipment in anticipation of changes in the speed and/or direction of a moving object or scene.
The ability to quickly respond (with the hand, finger, or foot) to a signal (sound, light, picture) when it appears. The ability to make fast, simple, repeated movements of the fingers, hands, and wrists. The ability to quickly move the arms and legs.
The ability to exert maximum muscle force to lift, push, pull, or carry objects. The ability to use short bursts of muscle force to propel oneself (as in jumping or sprinting), or to throw an object. The ability to exert muscle force repeatedly or continuously over time. This involves muscular endurance and resistance to muscle fatigue.
The ability to use your abdominal and lower back muscles to support part of the body repeatedly or continuously over time without 'giving out' or fatiguing. The ability to exert yourself physically over long periods of time without getting winded or out of breath. The ability to bend, stretch, twist, or reach with your body, arms, and/or legs.
The ability to quickly and repeatedly bend, stretch, twist, or reach out with your body, arms, and/or legs. The ability to coordinate the movement of your arms, legs, and torso together when the whole body is in motion. The ability to keep or regain your body balance or stay upright when in an unstable position.
The ability to see details at close range (within a few feet of the observer). The ability to see details at a distance. The ability to match or detect differences between colors, including shades of color and brightness.
The ability to see under low light conditions. The ability to see objects or movement of objects to one's side when the eyes are looking ahead. The ability to judge which of several objects is closer or farther away from you, or to judge the distance between you and an object.
The ability to see objects in the presence of glare or bright lighting. The ability to detect or tell the differences between sounds that vary in pitch and loudness. The ability to focus on a single source of sound in the presence of other distracting sounds.
The ability to tell the direction from which a sound originated. The ability to identify and understand the speech of another person. The ability to speak clearly so others can understand you.

Tools Used
Acetylene torches Adjustable widemouth pliers Adjustable wrenches
Air compressors Air flow hoods Air flow sensors
Air velocity meters Air volume test equipment Allen wrenches
Alternating current AC line splitters Ammeters Anemometers
Autoranging meters Awls Bandsaws
Bead type thermocouples Belt tension indicators Black lights
Bolt cutters Bourdon tubes Box cutters
Brazing equipment Bubble levels Calipers
Capacitance testers Capacitor analyzers Carbon dioxide CO2 testers
Carbon monoxide detectors Carbon monoxide evaluators Caulking equipment
Caulking guns Chalk lines Charging cylinders
Charging manifolds Chart recorders Circuit analyzers
Circuit tracers Circular saws Clamp-on multimeters
Claw hammers Cold chisels Combustible gas leak detectors
Combustion analyzers Compound gauges Computer diagnostic devices
Conduit benders Contaminant content tests Cordless drills
Crowbars Current simulators Dataloggers
Decibel meters Desktop computers Diagonal cutting pliers
Dial indicators Differential pressure detectors Draft gauges
Drill bit sets Drill presses Duct knives
Duct slicers Duct vacuums Duplex pressure gauges
Electric drills Electrical current meters Electrical frequency indicators
Fall arrest lines Feeler gauges Fin combs
Fish tapes Flared tip screwdrivers Flaring tools
Flowmeters Forklifts Gas pressure gauges
Glue guns Grease guns Groove pliers
Ground fault circuit interrupter GFCI testers Hacksaws Hammers
Hand drills Hand hacksaws Hand seamers
Hand sprayers Hand trucks Handheld thermometers
Heating ventilation and air-conditioning/refrigeration HVAC/R clamp meters Hex wrenches High-voltage probes
Hoists Hold down clamps Hole saws
Hot wire anemometers Humidity sensors Humidity simulators
Hygrosticks Image scanners Industrial vacuums
Infrared thermography cameras and display units Infrared thermometers Inspection mirrors
Insulation knives Jacks Jig saws
Knockout punches Labeling machines Ladders
Laptop computers Laser levels Laser printers
Levels Litmus papers Long nose pliers
Lug crimping tool dies Magnehelic gauges Magnetic pickup tools
Manometers Material alignment jigs Mechanical stethoscopes
Megohmmeters Metal snips Micrometers
Micron gauges Milliammeters Milliamp/microamp meters
Milliohm meters Moisture meters Multimeters
Non-contact surface temperature heads Non-contact voltage detectors Nut drivers
Ohmmeters Oil guns Open end wrenches
Oxygen testers Personal computers pH meters
Phase rotation meters Phillips head screwdrivers Pipe benders
Pipe clamp thermocouples Pipe cutters Pipe dies
Pipe reamers Pipe threaders Pipe wrenches
Pitot tubes Platform lifts Plotters
Pneumatic air gauges Portable drills Portable refractometers
Potentiometers Power drills Power grinders
Power hacksaws Power saws Power washers
Precision levels Pressure gauges Pressure simulators
Programmable logic controllers PLC Psychrometers Pullers
Punches Reamers Receptacle testers
Reciprocating saws Reclaiming equipment Recovery and recycle units
Refrigerant leak detectors Refrigerant oil pumps Refrigerant pressure meters
Refrigerant recovery machines Refrigerant vacuum pumps Resistance meters
Resistance temperature detectors Respirators Revolutions per minute RPM meters
Riggings Rulers Safety belts
Safety glasses Safety goggles Safety harnesses
Scaffolding Scale rules Scrapers
Screw extractor sets Screwdrivers Scribers
Service manifold sets Shackles Shears
Sheet metal crimpers Side cutting pliers Slings
Slotted screwdrivers Smoke detector canisters Smoke pens
Smoke testers Socket wrench sets Soft face hammers
Soldering equipment Soldering guns Soldering irons
Spectrometers Squares Staging equipment
Staging winches Straightedges Strap wrenches
Strobe tachometers Swaging tools Tachometers
Tap sets Tape measures Telescoping boom trucks
Temperature gauges Temperature simulators Temperature/humidity testers
Thermocouple testers Thermocouples Tin snips
Tinners hammers Tongs Torque wrenches
Transfer pumps Transit levels Tube cutters
Tubing benders Turbine flow meters Two way radios
Utility knives Vacuum gauges Vacuum pumps
Valve wrenches Velometers Venturi meters
Vernier calipers Vibration analyis equipment Volt-ohm meters VOM
Voltage simulators Voltmeters Water flow meters
Water level meters Water levels Water pressure gauges
Water temperature gauges Water testers Watt transducers
Wattmeters Welding hoods Wet bulb/dew point meters
Wire brushes Wire cutters Wire strippers

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