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Heating and Air Conditioning


This certificate prepares students to fill careers as service technicians in the field of heating and air conditioning. All courses apply toward the A.O.S degree in Air Conditioning Technology - Refrigeration Option.
Goals & Outcomes
To prepare the students to enter the HVAC industry.
  • Graduates secure employment in the HVAC Industry.
  • Students successfully complete the required coursework.
To prepare the students to be safe and competent HVAC technicians.
  • Students will follow safety procedures.
  • Students will demonstrate ability to troubleshoot heating and cooling systems and develop a corrective action plan.
To prepare students to apply basic mathematical, scientific, and technical concepts to the solution pressure temperature relationship
  • Students will be able to apply mathematical, scientific, and technical concepts to solve pressure temperature relationships and their effect on refrigeration systems.
To prepare students to demonstrate information literacy.
  • Students will use traditional and contemporary information technology.
  • Students will identify, access, and appropriately use authoritative sources of information.
Plan of Study:
MA105 Technical Math 1
This course covers the four fundamental operations on integers, rational numbers, and real numbers. It includes the study of weights and measures, exponents and radicals, factoring, and linear equations, with an emphasis on technical applications. See when this course is offered ...
MA106 Technical Math 2
This course is a continuation of MA105 Technical Mathematics 1, with further topics from algebra as well as from geometry and trigonometry, and an emphasis on technical applications. Prerequisite: MA105 Technical Mathematics 1. See when this course is offered ...
ET101 Tech Electricity 1
This introductory course provides the basic knowledge and skills necessary within any electrical service technician program. It includes an in-depth study of electron theory, Ohm’s Law, series and parallel circuits, as well as electrical energy and power relationships. Also included are methods of generation of electromotive force, electromagnetism, and motor principles and capacitance as these apply to DC circuits. Uses, construction, and calibration of voltmeters and ammeters are investigated. Corequisite: MA105 Technical Mathematics 1. See when this course is offered ...
ET102 Tech Electricity 2
This course is a continuation of ET101 Technical Electricity 1. It reinforces previously acquired information and applies it to alternating current (AC) circuits. It investigates AC sine wave generation, mutual inductance inductive and capacitive reactance, and instantaneous values of voltage and current as well as real and apparent power. Uses, construction, and calibration of AC metering equipment are an integral part of this course. Practical application of each topic in both introductory courses are included in all laboratory experiments. Prerequisite: ET101 Technical Electricity 1. Corequisite: MA106 Technical Mathematics 2. See when this course is offered ...
ET108 Refrigeration 1
This course covers basic physics as applied to refrigeration and air conditioning. Topics include flaring and soldering techniques, compressor construction, domestic refrigeration, and characteristics of automatic controls. See when this course is offered ...
ET220 Air Conditioning Principles
ET220 Heating and Air Conditioning 1 C-3 P-2 Cr-4 This course covers calculations of heat loss and gain based on residential and commercial levels. Topics include humidification; dehumidification; air mixture problems; and determination of U factors to enhance calculation accuracy. Additional topics include ventilation, exhaust loads and standards, and a working background in psychometrics. The course starts with simple heat properties of air and will progress to complex air mixture properties. See when this course is offered ...
ET221 Air Conditioning Systems
ET221 Heating and Air Conditioning 2 C-3 P-4 Cr-5 This course introduces combustion techniques in oil and gas furnaces. It covers coil cells, stack controls, oil primary controls plus safety devices. Basic principles are applied to problem-solving in heat transfer. Types of systems involving residential and small commercial heating and air conditioning are covered. Split systems, hydronic systems, electric heat, heating and air conditioning controls, and package equipment are discussed along with heat pumps. Corequisites: ET108 Refrigeration 1 or VT133 Refrigeration and Air Conditioning 1. See when this course is offered ...
ET234 Elec Wire & Code 1
This course is an introduction to the art of electrical wiring. Installation of electrical equipment provides the student with the opportunity to combine related information and manipulative skills with the practical aspects of wiring methods for complete electrical installations and systems. All temporary laboratory wiring is installed in compliance with the current National Electrical Code and provides experience in cable, conduit, surface raceway, and service entrance installations. Corequisite: ET111 Electrical Systems. See when this course is offered ...

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