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

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

Job Information

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.

Select Tools
Acetylene torchesAdjustable widemouth pliersAdjustable wrenches
Air compressorsAir flow hoodsAir flow sensors
Air velocity metersAir volume test equipmentAllen wrenches
Alternating current AC line splittersAmmetersAnemometers
Autoranging metersAwlsBandsaws
Bead type thermocouplesBelt tension indicatorsBlack lights
Bolt cuttersBourdon tubesBox cutters
Brazing equipmentBubble levelsCalipers
Capacitance testersCapacitor analyzersCarbon dioxide CO2 testers
Carbon monoxide detectorsCarbon monoxide evaluatorsCaulking equipment
Caulking gunsChalk linesCharging cylinders
Charging manifoldsChart recordersCircuit analyzers
Circuit tracersCircular sawsClamp-on multimeters
Claw hammersCold chiselsCombustible gas leak detectors
Combustion analyzersCompound gaugesComputer diagnostic devices
Conduit bendersContaminant content testsCordless drills
CrowbarsCurrent simulatorsDataloggers
Decibel metersDesktop computersDiagonal cutting pliers
Dial indicatorsDifferential pressure detectorsDraft gauges
Drill bit setsDrill pressesDuct knives
Duct slicersDuct vacuumsDuplex pressure gauges
Electric drillsElectrical current metersElectrical frequency indicators
Fall arrest linesFeeler gaugesFin combs
Fish tapesFlared tip screwdriversFlaring tools
FlowmetersForkliftsGas pressure gauges
Glue gunsGrease gunsGroove pliers
Ground fault circuit interrupter GFCI testersHacksawsHammers
Hand drillsHand hacksawsHand seamers
Hand sprayersHand trucksHandheld thermometers
Heating ventilation and air-conditioning/refrigeration HVAC/R clamp metersHex wrenchesHigh-voltage probes
HoistsHold down clampsHole saws
Hot wire anemometersHumidity sensorsHumidity simulators
HygrosticksImage scannersIndustrial vacuums
Infrared thermography cameras and display unitsInfrared thermometersInspection mirrors
Insulation knivesJacksJig saws
Knockout punchesLabeling machinesLadders
Laptop computersLaser levelsLaser printers
LevelsLitmus papersLong nose pliers
Lug crimping tool diesMagnehelic gaugesMagnetic pickup tools
ManometersMaterial alignment jigsMechanical stethoscopes
MegohmmetersMetal snipsMicrometers
Micron gaugesMilliammetersMilliamp/microamp meters
Milliohm metersMoisture metersMultimeters
Non-contact surface temperature headsNon-contact voltage detectorsNut drivers
OhmmetersOil gunsOpen end wrenches
Oxygen testersPersonal computerspH meters
Phase rotation metersPhillips head screwdriversPipe benders
Pipe clamp thermocouplesPipe cuttersPipe dies
Pipe reamersPipe threadersPipe wrenches
Pitot tubesPlatform liftsPlotters
Pneumatic air gaugesPortable drillsPortable refractometers
PotentiometersPower drillsPower grinders
Power hacksawsPower sawsPower washers
Precision levelsPressure gaugesPressure simulators
Programmable logic controllers PLCPsychrometersPullers
PunchesReamersReceptacle testers
Reciprocating sawsReclaiming equipmentRecovery and recycle units
Refrigerant leak detectorsRefrigerant oil pumpsRefrigerant pressure meters
Refrigerant recovery machinesRefrigerant vacuum pumpsResistance meters
Resistance temperature detectorsRespiratorsRevolutions per minute RPM meters
RiggingsRulersSafety belts
Safety glassesSafety gogglesSafety harnesses
ScaffoldingScale rulesScrapers
Screw extractor setsScrewdriversScribers
Service manifold setsShacklesShears
Sheet metal crimpersSide cutting pliersSlings
Slotted screwdriversSmoke detector canistersSmoke pens
Smoke testersSocket wrench setsSoft face hammers
Soldering equipmentSoldering gunsSoldering irons
SpectrometersSquaresStaging equipment
Staging winchesStraightedgesStrap wrenches
Strobe tachometersSwaging toolsTachometers
Tap setsTape measuresTelescoping boom trucks
Temperature gaugesTemperature simulatorsTemperature/humidity testers
Thermocouple testersThermocouplesTin snips
Tinners hammersTongsTorque wrenches
Transfer pumpsTransit levelsTube cutters
Tubing bendersTurbine flow metersTwo way radios
Utility knivesVacuum gaugesVacuum pumps
Valve wrenchesVelometersVenturi meters
Vernier calipersVibration analyis equipmentVolt-ohm meters VOM
Voltage simulatorsVoltmetersWater flow meters
Water level metersWater levelsWater pressure gauges
Water temperature gaugesWater testersWatt transducers
WattmetersWelding hoodsWet bulb/dew point meters
Wire brushesWire cuttersWire strippers

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