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 102-167 are prerequisites for Heating & Refrigeration.

Highly Recommended Class: CAS 105, Keyboarding  3CR.

Degree Requirements

Course NumberClass TitleCredits
HAC 102Basic Electricity5
HAC 105Electrical Circuits4
HAC 120Advanced Controls & Troubleshooting4
HAC 160Siemens Control2
HAC 162Electric Motors & Their Applications4
HAC 164Electric Motors & Troubleshooting3
HAC 167Green Awareness3
HAC 170Heating I7
HAC 175Heating Lab I5
HAC 181Heating II6
HAC 183Heating Lab II4
HAC 201Advanced 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 256CAPCommercial Heat Pumps7
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 using electrical measuring instruments.

Co-requisites
HAC 105, HAC 120, HAC 160, HAC 162, HAC 164, HAC 167 or instructor permission.
CLOSE

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 160, HAC 162, HAC 164, HAC 167 or instructor permission.
CLOSE

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 160, HAC 162, HAC 164, HAC 167 or instructor permission.
CLOSE

Siemens Control

Item #
HAC 160
Total Credits
2

Serves as an introduction to the concepts of direct digital controls (DDC). The course is a generic approach to understanding DDC terminology, the fundamentals of today’s new building control systems, how they work, features and troubleshooting. 

Co-requisites
HAC 102, HAC 105, HAC 120, HAC 160, HAC 164, HAC 167.
CLOSE

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 160, HAC 164, HAC 167 or instructor permission.
CLOSE

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 160, HAC 162, HAC 167 or instructor permission.
CLOSE

Green Awareness

Item #
HAC 167
Total Credits
3

When it comes to HVAC/R electrical, “green” means maximizing the energy efficiency of existing equipment, specifying the most efficient systems available for the application and the available budget using renewable and sustainable fuel sources, and conserving water. This course discusses those items, along with the core knowledge of energy management and analysis, green heating, ventilation, air conditioning, refrigeration, electrical generation and consumption, and “green” plumbing.

Co-requisites
HAC 102, HAC 105, HAC 120, HAC 160, HAC 162, HAC 164.
CLOSE

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 160, HAC 162, HAC 164, HAC 167.
Co-requisites
HAC 170, HAC 175, HAC 181, HAC 183.
CLOSE

Heating Lab I

Item #
HAC 175
Total Credits
5

Teaches students to troubleshoot and repair electric heating and gas-burning appliances. Also covers thermal physics and equipment for heating-system analysis and efficiency. This is a hands-on class using live projects. 

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

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 oil and hydronic heating. 

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

Heating Lab II

Item #
HAC 183
Total Credits
4

Teaches students to troubleshoot and repair oil and hydronic heating equipment. Also covers thermal physics and equipment for heating-system analysis and efficiency. This is a hands-on class using live projects. 

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

Advanced Refrigeration

Item #
HAC 201
Total Credits
10

Covers troubleshooting and repair of refrigeration equipment, thermal physics, equipment for refrigeration systems analysis and efficiency. 

Prerequisites
Must have required hand tools of the trade. Must be enrolled in HAC 249 and HAC 256.
CLOSE

EPA Refrigerant Certification

Item #
HAC 230
Total Credits
1

Mandatory course designed to provide EPA nationally recognized certification required for purchasing, removing and recycling refrigerants. This class is a 12-hour training session with the certification test upon completion and is taught by a registered proctor. Required to attain degree. 

CLOSE

Basic Refrigeration I

Item #
HAC 237
Total Credits
7

Introduction to controls, thermal physics and equipment for air conditioning system installation and servicing. 

Prerequisites
HAC 101 through 167 and must be registered in HAC 237, HAC 242, HAC 246, and HAC 255 or instructor permission.
CLOSE

Basic Refrigeration Lab I

Item #
HAC 242
Total Credits
5

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 must be enrolled in the Basic Refrigeration I course.
CLOSE

Basic Refrigeration II

Item #
HAC 246
Total Credits
6

Introduction to controls, thermal physics, and equipment for air-conditioning system installation and servicing. 

Prerequisites
Must have required hand tools of the trade and must be enrolled in the Basic Refrigeration I course.
CLOSE

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 201 and HAC 256.
CLOSE

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 must be enrolled in the Basic Refrigeration I course.
CLOSE

Commercial Heat Pumps

Item #
HAC 256CAP
Total Credits
7

Troubleshoot and repair residential and commercial heat pumps through study material and DVDs.  Explores heat pump fundamentals, heat pump electrical, and heat pump charging. 

Prerequisites
Must have required hand tools of the trade. Must be enrolled in HAC 201 and HAC 249.
CLOSE

Computer Literacy Requirements

Total Credits
3
CLOSE

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
CLOSE
This page was last updated on November 22, 2016.