HVAC Commissioning (Cx)

Updated Mar 26, 2026

Systematic verification that HVAC systems perform per design intent. Phases: pre-design, design review, construction observation, functional testing, seasonal testing. Required by ASHRAE 90.1 and most energy codes for commercial buildings.

category

MEP — Commissioning

required by

ASHRAE 90.1, IECC, LEED

SOURCES

🔗https://www.ashrae.org/

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