The student will be able to:

1. Describe alternating and direct electrical current.
2. Take voltage, amperage, and ohm readings on simplified electrical circuits.
3. Identify heat-cool, heat only, and cool only thermostats.
4. Identify basic residential gas furnace components and their functions.
5. Demonstrate practical skills in sheet metal and air conditioning service work.
6. Explain replacement and cleaning decisions for common residential air filters.

1. Describe alternating and direct electrical current
   1. Definition of electricity and its relationship to the atom
   2. Definitions of A.C. and D.C. current
2. Take voltage, amperage, and ohm readings on simplified electrical circuits
   1. Explanation of voltage, amperage, and ohms
   2. Working safely with electricity
   3. Select and set up a multi-meter to take desired measurements
3. Identify heat-cool, heat only, and cool only thermostats
   1. Identify common thermostats and their functions
4. Identify basic residential gas furnace components and their functions
   1. Identify basic furnace components, functions, and relationship to other components
   2. Explain flow of electricity, combustion air, gas, exhaust, and conditioned air through basic furnace system components
5. Demonstrate practical skills in sheet metal and air conditioning service work
   1. Disconnect and/or lockout, tagout electrical source
   2. Safely open access to circuits as needed
   3. Visual check for electrical hazards, evidence of circuit overloads, disconnections, shorts, or other problems
   4. Practice safe techniques and troubleshooting sequence in using meters and other devices to verify circuit conditions
6. Explain replacement and cleaning decisions for common residential air filters
   1. Air filtration fundamentals
   2. Document and report to supervisor or customer

1. Identify components of heating and air conditioning equipment
2. Practice safety techniques with electrical systems
3. Perform electrical measurements for servicing

Results of written quizzes and tests
Satisfactory completion of shop projects
Comprehensive written final examination
Maintenance of a workbook of student's daily work activities

Lecture
Discussion
Laboratory
Demonstration

International Training Institute for the Sheet Metal and Air Conditioning Industry. Residential HVAC Service Technician. 2007.

This is the standard Sheet Metal textbook/workbook used for this course. Although it is older than 5 years, it is the most current book used when teaching this course.

1. Readings from textbook
   1. Ohms and Power Law
2. Writing assignments given in the laboratory
   1. Complete the review item questions referring to electrical meters