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Interpretations for Standard 90.1-2025

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NOTE: All documents linked from this page are in pdf_icon.png PDF-format.

pdf_icon.png Interpretation 90.1-2025 -1 May 14, 2026
(This request for interpretation refers to ANSI/ASHRAE/IES Standard 90.1-2025 and pertains to the efficiency requirements of heating, ventilation, refrigeration and cooling equipment, fans, as listed in Section 6.8.1 and  apply to equipment efficiencies listed in Section 6.5)

pdf_icon.png Interpretation 90.1-2025 -2 May 14, 2026
(This request for interpretation refers to ANSI/ASHRAE/IES Standard 90.1-2025 and pertains to single zone and multi-zone VAV DX units in Section 6.5.1.3.)

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