---
kind: "unit"
title: "42"
title_heading: "The Public Health and Welfare"
key: "ch91/schIV"
level: "subchapter"
label: "Subchapter IV"
heading: "Energy Conservation for Commercial Buildings and Multifamily Dwellings"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/42/ch91-schIV"
sections_count: 4
---

# Subchapter IV — Energy Conservation for Commercial Buildings and Multifamily Dwellings

Title 42 — The Public Health and Welfare › Chapter 91 — National Energy Conservation Policy

## Contents

- [Part A — General Provisions](/usc/42/ch91-schIV-ptA.md)
- [Part B — Energy Conservation Plans](/usc/42/ch91-schIV-ptB.md)
- [Part C — Utility Programs](/usc/42/ch91-schIV-ptC.md)
- [Part D — Federal Implementation](/usc/42/ch91-schIV-ptD.md)