Gas Fired Warm Air Furnaces - AIR 257 at Northern Virginia Community College


         
 
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AIR 257 - Gas Fired Warm Air Furnaces
Covers the study of mid and high efficiency gas-fired warm air furnaces and their components. Includes equipment components, installation, servicing and maintenance.
Lecture 2-3 hours. Laboratory 2-3 hours. Total 4-6 hours per week.
Prerequisite: AIR 155.
3-4 credits

Schedule at Northern Virginia Community College

Fall 2024 ➜

Class # Section Credits Day Time Start Location Mode
46457 AIR 257-01YW 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

Spring 2025 ➜

Class # Section Credits Day Time Start Location Mode
28456 AIR 257-01YW 4
 M     
4:00 p.m.-6:55 p.m.
 2025-01-21 Woodbridge P
Hybrid Course
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.
Fifteen Week
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