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Course Information and Descriptions
HET 231 Heating II Hydronic Heating Systems (2-4) 4 Hours
This course introduces students to the basic principles, practices,
operations, service and installation of residential and light
commercial boilers through the use of lectures, demonstrations, and
lab experiences. The function and operational characteristics of
various types of residential and light commercial boilers, their
wiring, and safety procedures are studied. Electric controls including
thermostats, relays, and contactors are studied, as well as capacitors,
power distribution, motors, protective devices, system malfunction
diagnosis, corrective procedures, and residential and light
commercial boilers. A basic understanding of load calculations and
the installation and service of residential and light commercial
boilers will be covered, as well as the operation, layout, selection,
troubleshooting, venting requirements, and piping techniques. This
course reinforces the use and operation of electrical and mechanical
test equipment, wiring diagrams and schematics, service manifolds,
test equipment, flaring, soldering and brazing skills.
Note: Student will be required to purchase basic hand tools used in
this and other HVACR courses.
Prerequisite: MTH 114 or higher or appropriate score on Math
Placement test or Math ACT score of 17 or higher; AND minimum
APT score of 122 or College Reading and Writing Readiness; OR
Consent of Instructor
Course fee
HET 250
Air Conditioning II Commercial
HVAC Appliances (2-4)
4 Hours
This course covers intermediate principles, practices, operations,
service and installation of commercial HVAC equipment through
lectures, demonstrations, and lab experiences conducted on
commercial HVAC equipment. The function and operational
characteristics of various types of commercial HVAC equipment, its
wiring, and safety procedures are studied. Electric controls including
thermostats, defrost controls, relays, and contactors are studied, as
well as capacitors, power distribution, motors, protective devices,
system malfunction diagnosis, corrective procedures, and the
refrigerants used in the commercial HVAC industry. This course also
introduces hydronic heating, air mixing properties, installation and
service, a basic understanding of load calculations, ducting, fan laws,
and piping techniques for commercial HVAC equipment. This course
also reinforces ventilation requirements, the use and operation of
electrical and mechanical test equipment, wiring diagrams and
schematics, service manifolds, test equipment, flaring, soldering and
brazing skills.
Note: Student will be required to purchase basic hand tools used in
this and other HVACR courses.
Prerequisite: HET 150 AND MTH 114 or higher or appropriate
score on Math Placement test or Math ACT score of 17 or higher;
AND minimum APT score of 122 or College Reading and Writing
Readiness; OR Consent of Instructor
Course fee
HET 252
Air Conditioning III
4 Hours
Installation and Service (2-4)
This course covers various types of residential heating and airconditioning service techniques and installation procedures,
including equipment selection, layout, duct fabrication, piping
techniques, troubleshooting, codes, preventive maintenance, multiple
systems, and system accessories. Students will learn the techniques
of the service and installation needs of the residential heating and
air-conditioning industry through lectures, demonstrations, and lab
experiences. The function and operational characteristics of various
types of residential heating and air-conditioning equipment, its
wiring, and safety procedures are studied. Electric controls including
thermostats, defrost controls, relays, and contactors are studied, as
well as capacitors, power distribution, motors, protective devices,
system malfunction diagnosis, corrective procedures, and the
refrigerants used in the residential heating and air-conditioning
industry. Equipment selection, layout, duct fabrication,
troubleshooting, codes, preventive maintenance, system balancing,
component capacity, multiple systems, system accessories codes, and
preventive maintenance concerning residential heating and airconditioning appliances are also covered. This course reinforces load
calculations, ventilation requirements, piping techniques, the use and
operation of electrical and mechanical test equipment, wiring
diagrams and schematics, service manifolds, test equipment, flaring,
and soldering and brazing skills.
Note: Student will be required to purchase basic hand tools used in
this and other HVACR courses.
Prerequisite: MTH 114 or higher or appropriate score on Math
Placement test or Math ACT score of 17 or higher; AND minimum
APT score of 122 or College Reading and Writing Readiness; OR
Consent of Instructor
Course fee
HET 272
Refrigeration III Commercial
Appliance Installation (2-4)
4 Hours
This course covers various types of commercial refrigeration service
techniques and installation procedures, such as piping techniques,
codes, preventive maintenance, multiple systems, and system
accessories. The function and operational characteristics of various
types of electric controls including thermostats, defrost controls,
relays, and protective devices are studied, as well as system
malfunction diagnosis, corrective procedures, and the refrigerants
used in the commercial refrigeration appliance industry. This course
reinforces load calculations, the use and operation of electrical and
mechanical test equipment, wiring diagrams and schematics, service
manifolds, test equipment, flaring, and soldering and brazing skills.
Note: Student will be required to purchase basic hand tools used in
this and other HVACR courses.
Prerequisite: HET 172 AND MTH 114 or higher or appropriate
score on Math Placement test or Math ACT score of 17 or higher;
AND minimum APT score of 122 or College Reading and Writing
Readiness; OR Consent of Instructor
Course fee
277