Construction Technologies, AAS

Critical Systems

The Associate of Applied Science, Construction Technologies, Critical System Emphasis prepares students to install, maintain, service, troubleshoot, and repair critical systems such as in data process centers and hospitals. The program enables students to learn how to maintain, troubleshoot, and repair HVAC equipment for equipment cooling and other related machinery. Instruction includes classroom, laboratory, and hands-on work in the laboratory or in the field. Along with core classes, academic skills emphasizing related math, science, and human relations components are stressed to help students prepare to meet challenges commonly found in the workplace.


  • Incorporate workforce safety principals while performing basic tasks of a Heating, Ventilation, Air Conditioning, and Refrigeration (HVAC/R) technician.
  • Interpret electrical/mechanical schematics on HVAC/R equipment to diagnose mechanical or electrical problems in a residential or light commercial environment.
  • Appraise EPA rules, regulations, and refrigerant handling techniques in the performance of HVAC/R duties.
  • Diagnose and repair electrical or mechanical problems on commercial air conditioning equipment; critical systems; chillers.
General Education Requirements
Technical Communications I
Composition I
Fine Art/Humanities/Social Science3
History of the Built Environment
Human Relations
CE 201Workplace Readiness3
Math for Technicians
Additional College Requirements
AAD 201History of the Built Environment[3]
U.S. and Nevada Constitutions3
Introduction to American Politics
Degree Requirements
AC 102Refrigeration Theory3
AC 107Electrical and Controls for HVAC6
AC 113Schematic Reading for HVAC/R3
AC 150Basic Refrigeration Servicing6
AC 201HVAC Automatic Controls3
AC 205Commercial HVAC 23
AC 206Commercial HVAC Systems 33
AC 220Chiller Operations and Maintenance5
AC 295Internship HVAC Career3
IS 101Introduction to Information Systems3
OSH 222General Industry Safety1
Total Units60
Plan of Study Grid
1st semesterUnits
AC 102 Refrigeration Theory 3
AC 107 Electrical and Controls for HVAC 6
AC 113 Schematic Reading for HVAC/R 3
MATH 108 Math for Technicians 3
OSH 222 General Industry Safety 1
 Semester Total16
2nd semester
AC 150 Basic Refrigeration Servicing 6
Communications 1 3
ENG 101 Composition I 3
U.S. and Nevada Constitutions 2 3
 Semester Total15
3rd semester
AC 201 HVAC Automatic Controls 3
AC 205 Commercial HVAC 2 3
AC 206 Commercial HVAC Systems 3 3
CE 201 Workplace Readiness 3
Science 1 3
 Semester Total15
4th semester
AAD 201 History of the Built Environment 3
AC 204 Cooling Tower Systems- Operation and Maintenance 3
AC 220 Chiller Operations and Maintenance 5
IS 101 Introduction to Information Systems 3
 Semester Total14
 Total Units60

See program recommendations or requirements.