103
Thermal/Refrigeration Lab
6 hours lab, 2 units
Grade Only
Advisory: Completion of or concurrent enrollment in Air
Conditioning, Refrigeration, and Environment Control
Technology 100 with a grade of "C" or better, or
equivalent.
Limitation on Enrollment: This course is not open to
students with previous credit for Environmental Control
Technology 103.
This course is a hands-on, project-oriented study of the
tooling, materials, methods and equipment used in
Heating, Ventilation and Air Conditioning (HVAC) and
refrigeration. Emphasis is placed on projects related to
heat transfer and saturation, system evacuation,
charging, leak testing and use of precision instruments.
(FT) Associate Degree Credit & transfer to CSU and/or
private colleges and universities.
122 Cost
Estimating/Blueprints
3 hours, 3 units
Grade Only
Corequisite: Completion of or concurrent enrollment in
Air Conditioning, Refrigeration, and Environment
Control Technology 123 with a grade of "C" or better, or
equivalent.
Limitation on Enrollment: This course is not open to
students with credit for Environmental Control
Technology 122.
This course is a study of the generation, reading and
interpretation of blueprints from initial concepts to
actual construction. Emphasis is placed on how the
Heating, Ventilation and Air Conditioning (HVAC) area
is integrated into the construction business structure.
Course content includes architectural, mechanical,
electrical and plumbing blueprints, and also covers job
planning, sources and use of pricing guidelines,
municipal, county, state and federal codes, energy
impact statements, specifications and computer
software used for estimating
123 Cost
Estimating/Blueprints Lab
3 hours lab, 1 unit
Grade Only
Limitation on Enrollment: This course is not open to
students with credit for Environmental Control
Technology 123.
A lab course to provide practice in the reading of
blueprints for structures and machinery, plumbing,
electrical, structural, and architectural components and
the preparation of quantity surveys and cost benefit
analyses; use of pricing guides for “HVAC” and
refrigeration; use of basic drafting equipment,
engineering and architectural scales; elementary
sketching and drawing. Associate Degree Credit &
transfer to CSU and/or private colleges and universities.
124 Control
Systems Theory
3 hours, 3 units
Grade Only
Corequisite: Completion of or concurrent enrollment in
Air Conditioning, Refrigeration, and Environment
Control Technology 125 with a grade of "C" or better, or
equivalent.
Limitation on Enrollment: This course is not open to
students with credit for Environmental Control
Technology 124.
This course is a study of electricity as it relates to the
prime movers and controls for Heating, Ventilation and
Air Conditioning (HVAC) and refrigeration. Emphasis is
placed on the theory, construction and application of
the elementary refrigeration system, electrical control
and circuits, compressor relays and other
electromechanical controls. Associate Degree Credit &
transfer to CSU and/or private colleges and universities.
125 Control
Systems Lab
6 hours lab, 2 units
Grade Only
Limitation on Enrollment: This course is not open to
students with credit for Environmental Control
Technology 125.
Survey of electrical instrumentation and hardware used
in the field of “HVAC” and refrigeration and accessories.
Projects designed to develop ability to sketch, test, and
fabricate complete basic electrical control systems for
refrigeration and elementary air conditioning units.
Includes logic and schematic circuits and their
construction. Associate Degree Credit & transfer to CSU
and/or private colleges and universities.
126 Fluid Flow
Dynamics
3 hours, 3 units
Grade Only
Corequisite: Completion of or concurrent enrollment in
Air Conditioning, Refrigeration, and Environment
Control Technology 127 with a grade of "C" or better, or
equivalent.
Limitation on Enrollment: This course is not open to
students with credit for Environmental Control
Technology 126.
Fundamental laws governing air flow in ducting
systems; fans, system curves, fan curves, common
methods of air distribution; friction losses in ducts; use
of system calculators; laws of hydronics; pipe sizing,
pump sizing; pressure losses in hydronic systems; air
psychrometries; water treatment and air filtration
fundamentals. Associate Degree Credit & transfer to CSU
and/or private colleges and universities.
127 Fluid Flow
Dynamics Lab
6 hours lab, 2 units
Grade Only
Corequisite: Air Conditioning, Refrigeration, and
Environment Control Technology 126
Limitation on Enrollment: This course is not open to
students with credit for Environmental Control
Technology 127.
This laboratory course provides practice in fluid
measuring methods and instrumentation. Emphasis is
placed on working with instruments such as pitot tube
devices and velometers to illustrate the interaction of
fluid systems curves. Course content also includes air
psychometries, air and hydronic system balancing and
measurement of sound. Associate Degree Credit &
transfer to CSU and/or private colleges and universities.
132 Advanced
Refrigeration Theory
3 hours, 3 units
Grade Only
Limitation on Enrollment: This course is not open to
students with credit for Environmental Control
Technology 132.
A comprehensive analysis of refrigeration systems
involving Molier diagrams and system balance in terms
of heat and equipment. Standard multi-stage, low
temperature, and cascade systems are included.
Complex mechanical system controls studied. Fluid
velocities and correct piping methods, lubrication
systems and lubricants, refrigerant performance,
centrifugal, screw and absorption systems are included.
Associate Degree Credit & transfer to CSU and/or
private colleges and universities.
133 Advanced
Refrigeration Lab
6 hours lab, 2 units
Grade Only
Limitation on Enrollment: This course is not open to
students with credit for Environmental Control
Technology 133.
A rigorous series of projects on the functioning of
normal and abnormal refrigeration systems designed to
equip students with the ability to solve difficult
mechanical problems. Preparation of Molier diagrams
for refrigeration systems and heat pumps, adjustment
and installation of various systems, specific control
devices such as back pressure regulators, head pressure
controls, etc. Associate Degree Credit & transfer to CSU
and/or private colleges and universities.
134 Heating,
Solar and Alternative Energy
Systems Theory
4 hours, 4 units
Grade Only
Limitation on Enrollment: This course is not open to
students with credit for Environmental Control
Technology 134.
This course covers basic heating principles, equipment
and processes; the process of combustion, including
the chemistry of combustion is studied with respect to
a variety of common fuels. The technology utilized in
the actual combustion processes and the equipment are
studied and maintenance procedures and the sizing of
vent systems are included. Theory, equipment sizing
and operation of solar systems and the integration of
solar and standard hydronic heating systems are
included in this course as well as solar heat load
calculation and system estimating. The economics of
energy systems and alternative energy systems are
explored. Associate Degree Credit & transfer to CSU
and/or private colleges and universities.
135 Heating,
Solar and Alternative Energy
Systems Laboratory
6 hours lab, 2 units
Grade Only
Limitation on Enrollment: This course is not open to
students with credit for Environmental Control
Technology 135.
This course involves a series of demonstrations and lab
projects to provide knowledge and understanding of the
operation of heating and solar energy systems.
Combustion testing equipment and instrumentation are
utilized. Orsatt Analysis and use of electronic and
combustion analyzers are included. Training and
practice on common types of heating and solar systems
includes hydronic balancing, solar angle determination
and optimization, collector efficiencies and shadow
grapey construction. Associate Degree Credit & transfer
to CSU and/or private colleges and universities.
138
HVAC/Refrigeration System Design
3 hours, 3 units
Grade Only
Limitation on Enrollment: This course is not open to
students with credit for Environmental Control
Technology 138.
An intensive course on the theory of design for
heating, refrigeration, air conditioning, and solar
energy systems. Includes building envelope heat load
calculations, equipment selection criteria, system
selection and optimization. Energy conservation
techniques in design and hydronic system design
applications are included. Associate Degree Credit &
transfer to CSU and/or private colleges and universities.
139
HVAC/Refrigeration System Design Lab
6 hours lab, 2 units
Grade Only
Limitation on Enrollment: This course is not open to
students with credit for Environmental Control
Technology 139.
Applied design techniques for the development of
complete “HVAC” refrigeration and solar designs in an
occupationally similar environment. A series of design
projects includes applied heat load estimation; applied
psychrometries; system and equipment selection
criteria; and use of design manuals, tables, and
manufacturers catalogs. Applied energy conservation
techniques are included. Associate Degree Credit &
transfer to CSU and/or private colleges and universities.
198 Computer
Applications in Air Conditioning,
Refrigeration, Environmental Control Technology
2 hours lecture, 3 hours lab, 3 units
Grade Only
Limitation on Enrollment: This course is not open to
students with credit for Environmental Control
Technology 198.
Presentation of computer applications in Air
Conditioning, Refrigeration, Environmental Control
Technology as required for employment in local
business and industry. Instruction will be on a specific
software and hardware as currently used in Air
Conditioning, Refrigeration, Environmental Control.
Specific software and hardware will be announced for
each course section, each semester. (FT) Associate
Degree Credit.
270 Work
Experience in Air Conditioning,
Refrigeration, Environmental Control Technology
Hours by Arrangement, 1-4 units
Grade Only
Limitation on Enrollment: Must obtain an Add Code from
Work Experience Coordinator for registration. To receive
credit a student must complete a minimum of seven
units during the semester, including work experience.
This course is not open to students with credit for
Environmental Control Technology 270.
A program of on-the-job learning experience for
students employed in a job related to their major. The
combined maximum credit for all work experience
courses from all disciplines may not exceed 16 units.
Associate Degree Credit & transfer to CSU and/or
private colleges and universities.
290 Independent
Study in Air Conditioning,
Refrigeration, Environmental Control Technology
Hours by Arrangement, 1-3 units
Grade Only
Limitation on Enrollment: Must obtain an Add Code from
instructor for registration. This course is not open to
students with credit for Environmental Control
Technology 290.
For students who wish to study special problems. This
course may be taken four times with different content
for a maximum of six units. Associate Degree Credit &
transfer to CSU and/or private colleges and universities.
This discipline may offer
specialized instruction in
one or more of the following areas: Supervised
Tutoring (044), Special Topics (265), Independent
Study (290), Individualized Instruction (296),
Service Learning (277), Applied Applications and
Software Skills (045L), or Work Experience (270).
Detailed course descriptions are listed on page 96.
Please refer to the class schedule and/or see the dean
or department chair for availability.
