Aug 06, 2026  
2026-2027 DCTC Catalog 
  
2026-2027 DCTC Catalog

HVAC 1231 - Ventilating Systems



2 Credits
Prerequisites HVAC 1140  or HVAC 1320  and HVAC 1170  

Ventilating systems are the most important feature of a climate-controlled building. This course familiarizes the student with air handler installation and service procedures, multizone forced air systems, exhaust fans, heat recovery ventilators andthe basic operation of economizers and make-up air units.Prerequisites: HVAC1170 and HVAC1140 or 1320.

Major Content Areas
Exhaust fans

Air handler service and installation procedures

Economizers

Forced air zone systems

Heat recovery ventilators

Direct and indirect fired make-up air units

Learning Outcomes
Analyze and explain the basic function and operation of make-up air units

Analyze and explain the purpose and sequence of operation of an economizer

Demonstrate/describe air handler service, maintenance, and installation procedures