Environment Control Technology

Division: Industry & Technology
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The Environment Control Technology Department prepares students for entry-level employment in the field of Air Conditioning, Heating and Refrigeration Systems, and Environmental Control Technology (HVAC).  Students completing these degrees/certificates will have a basic foundation in troubleshooting and repair of air conditioning, heating and refrigeration systems.

Career opportunities upon successful completion of this degree are HVAC/R technician, sales, service, and repair.

Contact Information

Industry and Technology Division Chair

Frank Tebeau | (559) 688-3181 | frankt@cos.edu
Tulare Center Building C: C 101 | Tulare Campus

Dean of CTE and Workforce Development

Thad Russell | (559) 688-3027 | thadr@cos.edu
Tulare College Center: Building A - A107 | Tulare Campus

 
ECT 242 Air Conditioning Sheet Metal 4 unit(s)
Hours: 3 Lecture/Discussion
3 Lab
Materials Fees: $20
Equivalent Courses: ITEC 142, ITEC 242
This course provides an introduction to basic air conditioning sheet metal theory, design, drafting, bending, shaping, soldering, tools and equipment used to fabricate fittings.
ECT 260 Basic Refrigeration 2 unit(s)
Hours: 1.5 Lecture/Discussion
1.5 Lab
Introductory course in residential air conditioning and refrigeration that covers applied electrical and refrigeration theory. The students will learn how to use electrical meters to troubleshoot and diagnose electrical problems. In addition, proper brazing techniques, tools and safety practices are taught as applied to various other trades.
ECT 261 Intro to Air Cond/Refrig C/D 2 unit(s)
Hours: 1.5 Lecture/Discussion
1.5 Lab
This introductory course covers commercial and domestic air conditioning and refrigeration. The students will study the practical wiring circuits and diagnosing of electrical problems found in both commercial and domestic applications. The student will also become familiar with various types of electrical motors, and their individual characteristics. This course provides essential knowledge for students seeking further advancement in a career.
Advisory on Recommended Preparation: ECT 260 or equivalent college course with "C" or better
ECT 262 Heating Systems & Controls 2 unit(s)
Hours: 1.5 Lecture/Discussion
1.5 Lab
ECT 262 is an advanced course offered in residential and light commercial heating that covers theory, design, controls, and operation of modern day space heating systems. The students will study the practical wiring of circuits, and the diagnosing of problems found in both residential and light-commercial applications. In addition, the students will gain an understanding of both L.P. and natural gas fundamentals and applications, controls and safety, with particular emphasis given to safe work habits and practices. This course provides essential knowledge for a student seeking further advancement in his/her career.
ECT 263 Commercial Refrig Sys Controls 2 unit(s)
Hours: 1.5 Lecture/Discussion
1.5 Lab
An advanced course that introduces commercial refrigeration. The course covers theory, design, controls, and operation of modern day commercial refrigeration systems. The students will study the practical wiring of circuits, various defrosting methods, piping, design, sizing, and controls commonly used in the industry.
Advisories on Recommended Preparation: ECT 280 and 281 or equivalent college courses with "C" or better
ECT 280 Elec & Controls for HVAC 4 unit(s)
Hours: 3 Lecture/Discussion
3 Lab
Equivalent Course: ECT 180
This basic course in electrical theory and applications of controls for the heating, ventilating, air conditioning/refrigeration controls class explores the theories and concepts of Ohms and Kirchoff's laws, in addition to the theories and concepts of refrigeration.
Corequisites: ECT 281
ECT 281 Basic Air Conditioning 12 unit(s)
Hours: 11 Lecture/Discussion
3 Lab
Materials Fees: $20
Equivalent Course: ECT 181
ECT 281 is an introductory lecture and demonstration course in residential air conditioning, refrigeration and heating that covers applied refrigeration theory, including how to evacuate and charge systems, diagnose refrigeration problems and how to properly install an entire duct system in the project house. In addition, proper brazing techniques, tools and safety practices are taught as applied to various other trades.
Prerequisites: ECT 280 (may be taken concurrently) or equivalent college course with "C" or better
ECT 282 Adv Air Cond/Refrig Com/Dom 12 unit(s)
Hours: 9 Lecture/Discussion
9 Lab
Materials Fees: $15
Equivalent Course: ECT 182
An advanced course offered in Environmental Control Technology that covers commercial and domestic air conditioning and refrigeration theory. Topics include the fundamentals of wiring circuits and the concept of electrical problem solving as it relates to both commercial and residential applications. Topics also include using methods to calculate heat loads values necessary to sizing equipment in the industry.
Advisory on Recommended Preparation: ECT 281 or equivalent college course with "C" or better

Environmental Control Technology

Reilly, William
B.S., California State University, Fresno