---
title: "210 Normative References"
slug: "210-normative-references"
updated: 2025-09-05T19:27:31Z
published: 2025-09-05T19:27:31Z
---

> ## Documentation Index
> Fetch the complete documentation index at: https://standards.resnet.us/llms.txt
> Use this file to discover all available pages before exploring further.

# 210 Normative References

ANSI/RESNET/ICC 301, “Standard for the Calculation and Labeling of the Energy Performance of Dwelling and Sleeping Units using an Energy Rating Index.”, including addenda and normative appendices.

ANSI/RESNET/ICC 380, “Standard for Testing Airtightness of Building Dwelling Unit and Sleeping Unit Enclosures, Airtightness of Heating and Cooling Air Distribution Systems, and Airflow of Mechanical Ventilation Systems”, including addenda and normative appendices.