Academic Catalog

Heating & Air Conditioning/Refrigeration Service Technician AAT Degree

degree Info at a Glance
Type
AAT Degree
Estimated # of Quarters
This degree is approximately 4 quarters long, depending on the time students need to satisfactorily complete all graduation requirements.
Admission Dates
Summer, fall, winter and spring quarters.
Prerequisites
None.

Prepares students for positions in the heating, air conditioning, and refrigeration industry. Graduates will be prepared for entry-level positions as service technicians, building maintenance technicians, equipment assemblers, and start-up residential and light commercial installers. Students will participate in work-based training through realistic training activities on campus.

Included in this program are academic courses in communication, quantitative reasoning, and social sciences that provide knowledge and abilities that enhance personal development and serve as a foundation for technical skills.

This program is approved as an HVAC/Refrigeration (06A) specialty electrical training program in the state of Washington.

Upon successful completion of the program, graduates applying to become an HVAC/Refrigeration (06A) specialty electrician can be credited with an estimated 1,178 hours of work experience. This program is not applicable to any other electrical specialty or sub-category.

Students pursuing an AAT or AAS-T degree must complete all college degree requirements prior to graduation. This includes courses that meet the requirements for diversity, computer literacy and the capstone project. Students are required to pass seven nationally recognized certification exams during the program. All courses must be completed with a minimum “C” grade to receive the certificate.

Note: HAC 102-169 are prerequisites for Heating & Refrigeration.

Highly Recommended Class: CAS 105, Keyboarding  3CR (or Orientation to Computers and MS Office).

Degree Requirements

Course NumberClass TitleCredits
HAC 102Basic Electricity5
HAC 105Electrical Circuits4
HAC 120Advanced Controls & Troubleshooting4
HAC 162Electric Motors & Their Applications4
HAC 163Refrigeration Controls3
HAC 164Electric Motors & Troubleshooting3
HAC 169Advanced Motor Theory2
HAC 170Heating I7
HAC 175Heating Lab I5
HAC 181Heating II6
HAC 184Heating Lab II4
HAC 202Advanced Refrigeration10
HAC 230EPA Refrigerant Certification1
HAC 237Basic Refrigeration I7
HAC 242Basic Refrigeration Lab I5
HAC 246Basic Refrigeration II6
HAC 249Job Readiness5
HAC 255CAPBasic Refrigeration Lab II3
HAC 257CAPCommercial Refrigeration/Advanced Refrigeration7
Computer Literacy Requirements3
 Technical Credits94

Basic Electricity

Item #
HAC 102
Total Credits
5

Discusses the structure of matter, movement, electrons, conductors, insulators, direct and alternating currents, and electrical units of measurement. Students will also study electrical circuits and  measurements, Ohm’s law, series and parallel circuits, and electrical power. Also includes magnetic fields, inductance, transformers, capacitance, impedance, sine waves, and use of electrical measuring instruments.

Co-requisites
HAC 105, HAC 120, HAC 162, HAC 163, HAC 164, and HAC 169 or instructor permission.
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Electrical Circuits

Item #
HAC 105
Total Credits
4

Discusses types of automatic control devices that respond to thermal change, the bimetal device, control by fluid expansion, the thermocouple, and electronic sensing devices. Covers space temperature controls (both high and low voltage), sensing temperatures of solids, pressure-sensing devices, oil-pressure safety controls, air-pressure controls, devices that control fluid flow, and maintenance of mechanical and electromechanical controls.

Co-requisites
HAC 102, HAC 120, HAC 162, HAC 163, HAC 164, and HAC 169 or instructor permission.
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Advanced Controls & Troubleshooting

Item #
HAC 120
Total Credits
4

Covers control terminology, applications and electronic control circuits. Pneumatic controls and direct digital controls are also explored, along with programmable thermostats. Also covers procedures for troubleshooting basic and complex circuits, thermostats, and high-voltage circuits controlled by thermostats. Describes procedures for measuring amperage and voltage in low-voltage circuits and discusses pictorial and line diagrams. 

Co-requisites
HAC 102, HAC 105, HAC 162, HAC 163, HAC 164, and HAC 169, or instructor permission.
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Electric Motors & Their Applications

Item #
HAC 162
Total Credits
4

Discusses types of electric motors, along with starting and running components and characteristics, motor speeds, and power supplies. Specific topics also included are single and split-phase motors, the centrifugal switch, electronic replay, capacitor start motors, capacitor run motors, permanent split capacitor motors, shaded pole motors, single phase hermetic motors, positive temperature coefficient motors, and variable-speed motors. Includes discussions of various characteristics and insulations, bearings, mountings, and motor drives. 

Co-requisites
HAC 102, HAC 105, HAC 120, HAC 163, HAC 164, and HAC 169, or instructor permission.
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Refrigeration Controls

Item #
HAC 163
Total Credits
3

Fundamentals of refrigeration controls and defrost systems. 

Prerequisites
Must have required hand tools of the trade and be enrolled in HAC 164.
Co-requisites
HAC 102, HAC 105, HAC 120, HAC 162, HAC 164, and HAC 169.
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Electric Motors & Troubleshooting

Item #
HAC 164
Total Credits
3

Discusses mechanical and electrical motor troubleshooting. This includes drive assemblies, belt tension, pulley alignment, open and shorted windings, shorts to ground, capacitor problems, wiring and connectors, and troubleshooting hermetic motors. 

Co-requisites
HAC 102, HAC 105, HAC 120, HAC 162, HAC 163, HAC 169, or instructor permission.
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Advanced Motor Theory

Item #
HAC 169
Total Credits
2

Understanding variable-speed and capacity control motors (ECMs, Offloaders, Compressors, Inverter Drives).

Prerequisites
Must have required hand tools of the trade and be enrolled in HAC 164.
Co-requisites
HAC 102, HAC 105, HAC 120, HAC 162, HAC 163, and HAC 164.
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Heating I

Item #
HAC 170
Total Credits
7

Covers controls, thermal physics, electric heating, and equipment for residential and light commercial heating system installation and servicing with emphasis on electric heating and gas heating. 

Prerequisites
Successful completion of HAC 102, HAC 105, HAC 120, HAC 162, HAC 163, HAC 164, and HAC 169.
Co-requisites
HAC 170, HAC 175, HAC 181, and HAC 184.
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Heating Lab I

Item #
HAC 175
Total Credits
5

Teaches students to troubleshoot and repair gas-burning appliances. Thermal physics and equipment for heating systems analysis and efficiency are studied. This is a hands-on class using live projects. 

Prerequisites
Must have required hand tools of the trade and be enrolled in Heating I.
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Heating II

Item #
HAC 181
Total Credits
6

Covers controls, thermal physics, and equipment for residential and light commercial heating system installation and servicing with emphasis on electric and gas fuel heating. 

Prerequisites
Must have required hand tools of the trade and be enrolled in Heating I.
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Heating Lab II

Item #
HAC 184
Total Credits
4

Teaches students to competently troubleshoot and repair electric, gas, and fuel heating equipment; thermal physics, gas safety, and equipment for heating systems analysis and efficiency are studied. This is a hands-on class using live projects. 

Prerequisites
Must have completed HAC 102-175, required hand tools of the trade, and be enrolled in Heating I.
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Advanced Refrigeration

Item #
HAC 202
Total Credits
10

Covers competently troubleshooting and repair of refrigeration equipment, thermal physics and equipment for refrigeration systems analysis and efficiency. This is a hands-on class utilizing live projects.

Prerequisites
Must have required hand tools of the trade. Must be enrolled in HAC 249 and HAC 257.
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EPA Refrigerant Certification

Item #
HAC 230
Total Credits
1

Will give students the knowledge to properly recover and charge refrigerants & dispose of them as defined by EPA. Pass a national examination.

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Basic Refrigeration I

Item #
HAC 237
Total Credits
7

Introduction to controls, thermal physics, and equipment for residential and light commercial air conditioning and refrigeration system installation and servicing, with emphasis on refrigeration.

Prerequisites
HAC 102 through 168 or equivalent or instructor permission. Have all the tools of the trade.
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Basic Refrigeration Lab I

Item #
HAC 242
Total Credits
5

Covers troubleshooting and repair of refrigeration equipment, thermal physics, and equipment for refrigeration systems analysis and efficiency. This is a hands-on class utilizing live projects. Students will build a basic capillary tube refrigeration unit using basic temperature controls.

Prerequisites
Must have required hand tools of the trade, and completed HAC 102-169, and must be enrolled in the Basic Refrigeration I course.
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Basic Refrigeration II

Item #
HAC 246
Total Credits
6

Introduction to controls, thermal physics, and equipment for residential and light commercial air conditioning and refrigeration system installation and servicing, with emphasis on commercial refrigeration and heat pumps. 

Prerequisites
Must have required hand tools of the trade, and completed HAC 102-169, and must be enrolled in the Basic Refrigeration I course.
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Job Readiness

Item #
HAC 249
Total Credits
5

Covers resume writing, cover letter preparation, Internet job search, Work Source job readiness workshop, and tips on filling out job applications. 

Prerequisites
Must be enrolled in HAC 202 and HAC 257.
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Basic Refrigeration Lab II

Item #
HAC 255CAP
Total Credits
3

Hands-on experience with introduction to controls, thermal physics, and equipment for air-conditioning system installation and servicing.

Prerequisites
Must have required hand tools of the trade and be enrolled in the Basic Refrigeration I course.
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Commercial Refrigeration/Advanced Refrigeration

Item #
HAC 257CAP
Total Credits
7

Troubleshoot and repair commercial refrigeration through study material and DVD format. Refrigeration fundamentals, refrigeration electrical controls, and refrigeration charging are explored. This is a hands-on class utilizing live projects.

Prerequisites
Must have required hand tools of the trade. Must be enrolled in HAC 202 and HAC 249.
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Computer Literacy Requirements

Total Credits
3
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AAT General Education Requirements

Course NumberClass TitleCredits
 Technical Course Requirements94
AAT General Education Requirements18
 Total Credits112

AAT General Education Requirements

Total Credits
18
To receive an AAT degree students must meet the following requirements
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This page was last updated on June 19, 2017.