Air Conditioning and Refrigeration I - AIR 121 at Northern Virginia Community College


         
 
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AIR 121 - Air Conditioning and Refrigeration I
Studies refrigeration theory, characteristics of refrigerants, temperature, and pressure, tools and equipment, soldering, brazing, refrigeration systems, system components, compressors, evaporators, metering devices. Presents charging and evaluation of systems and leak detection. Explores servicing the basic system. Explains use and care of oils and additives and troubleshooting of small commercial systems. Part I of II.
Lecture 2-3 hours. Laboratory 2-3 hours. Total 4-6 hours per week.
3-4 credits

Schedule at Northern Virginia Community College

Class # Section Credits Day Time Start Location Mode
47521 AIR 121-01YW 4
 M     
4:00 p.m.-6:55 p.m.
2024-01-16 Woodbridge P
50% of class time meets in person, on campus; students are expected to attend class in person on the days and times listed on the schedule. 50% of class work is completed online, independently, via CANVAS. Reliable internet access and a computer are required.
47522 AIR 121-02YW 4
  Tu    
9:35 a.m.-12:30 p.m.
2024-01-16 Woodbridge P
50% of class time meets in person, on campus; students are expected to attend class in person on the days and times listed on the schedule. 50% of class work is completed online, independently, via CANVAS. Reliable internet access and a computer are required.
47524 AIR 121-04YW 4
   W   
7:00 p.m.-9:55 p.m.
2024-01-16 Woodbridge P
50% of class time meets in person, on campus; students are expected to attend class in person on the days and times listed on the schedule. 50% of class work is completed online, independently, via CANVAS. Reliable internet access and a computer are required.
47525 AIR 121-05YW 4
      Sa
2:00 p.m.-4:55 p.m.
2024-01-16 Woodbridge P
50% of class time meets in person, on campus; students are expected to attend class in person on the days and times listed on the schedule. 50% of class work is completed online, independently, via CANVAS. Reliable internet access and a computer are required.
Class # Section Credits Day Time Start Location Mode
32577 AIR 121-01YW 4
  Tu    
5:00 p.m.-8:30 p.m.
2024-05-20 Woodbridge P
50% or more of the time you will meet your class in person on campus; you are expected to attend class in person on the days and times listed on your schedule. For the rest of the time, instruction is done online, independently, on your own time (following the course syllabus and due dates), via CANVAS. Reliable internet access and a computer are required. Refer to the NOVA Website for current masking and social distancing policies when on campus.
Hybrid Course
Twelve Week
Class # Section Credits Day Time Start Location Mode
47292 AIR 121-01YW 4
 M     
7:00 p.m.-9:55 p.m.
2024-08-26 Woodbridge P
50% or more of the time you will meet your class in person on campus; you are expected to attend class in person on the days and times listed on your schedule. For the rest of the time, instruction is done online, independently, on your own time (following the course syllabus and due dates), via CANVAS. Reliable internet access and a computer are required. Refer to the NOVA Website for current masking and social distancing policies when on campus.
Hybrid Course
46492 AIR 121-02YW 4
   W   
4:00 p.m.-6:55 p.m.
2024-08-26 Woodbridge P
50% or more of the time you will meet your class in person on campus; you are expected to attend class in person on the days and times listed on your schedule. For the rest of the time, instruction is done online, independently, on your own time (following the course syllabus and due dates), via CANVAS. Reliable internet access and a computer are required. Refer to the NOVA Website for current masking and social distancing policies when on campus.
Hybrid Course
66895 AIR 121-03YW 4
  Tu    
9:35 a.m.-12:30 p.m.
2024-08-26 Woodbridge P
46462 AIR 121-04YW 4
  Tu    
4:00 p.m.-6:55 p.m.
2024-09-09 Woodbridge P
50% or more of the time you will meet your class in person on campus; you are expected to attend class in person on the days and times listed on your schedule. For the rest of the time, instruction is done online, independently, on your own time (following the course syllabus and due dates), via CANVAS. Reliable internet access and a computer are required. Refer to the NOVA Website for current masking and social distancing policies when on campus.
Hybrid Course
66891 AIR 121-05YW 4
      Sa
4:00 p.m.-6:55 p.m.
2024-08-26 Woodbridge P
50% of class time meets in person, on campus; students are expected to attend class in person on the days and times listed on the schedule. 50% of class work is completed online, independently, via CANVAS. Reliable internet access and a computer are required.
Hybrid Course
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