Air Conditioning Systems I - AIR 251 at Northern Virginia Community College


         
 
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AIR 251 - Air Conditioning Systems I
Studies air conditioning, sizing selection, and application, servicing, repairing of coils and compressors. Includes troubleshooting the cooling system. Studies piping design and sizing, installation, condensers and water towers. Includes valves, strainers and accessories, duct systems and air distribution design and their relationship with volume, static pressure and velocity. 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

Fall 2024 ➜

Class # Section Credits Day Time Start Location Mode
46495 AIR 251-01YW 4
 M     
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

Spring 2025 ➜

Class # Section Credits Day Time Start Location Mode
28454 AIR 251-01YW 4
 M     
7:00 p.m.-9:55 p.m.
 2025-01-21 Woodbridge P
Fifteen Week
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.
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Scheduled at

Northern Virginia

Offered by

New River

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