Interiors / Mechanical system
HVAC
Definition
Heating, ventilation, and air conditioning: the equipment and ducts that control a building’s temperature, humidity, and fresh air.
Fig. 271 — HVAC: schematic studyNOT TO SCALE
Illustrative study — HVAC · AI-generatedSAMPLE IMAGE
Structural & construction notes
Additions and ADUs may extend the existing system or use a separate ductless mini-split. Duct routes should be planned with framing early in design.
Frequently Asked Questions
An educational reference. Project-specific design requires professional guidance.