---
kind: "unit"
title: "10"
title_heading: "Energy"
key: "chII/subchD/part434"
level: "part"
label: "Part 434"
heading: "Energy Code for New Federal Commercial and Multi-Family High Rise Residential Buildings"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/10/chII-subchD-part434"
sections_count: 41
---

# Part 434 — Energy Code for New Federal Commercial and Multi-Family High Rise Residential Buildings

Title 10 C.F.R. — Energy › Chapter II — Department of Energy › Subchapter D — Energy Conservation

## Sections

- [§434.99. Explanation of numbering system for codes.](/cfr/10/434.99.md)

## Contents

- [Subpart A — Administration and Enforcement—General](/cfr/10/chII-subchD-part434-subpartA.md)
- [Subpart B — Definitions](/cfr/10/chII-subchD-part434-subpartB.md)
- [Subpart C — Design Conditions](/cfr/10/chII-subchD-part434-subpartC.md)
- [Subpart D — Building Design Requirements—Electric Systems and Equipment](/cfr/10/chII-subchD-part434-subpartD.md)
- [Subpart E — Building Energy Cost Compliance Alternative](/cfr/10/chII-subchD-part434-subpartE.md)
- [Subpart F — Building Energy Compliance Alternative](/cfr/10/chII-subchD-part434-subpartF.md)
- [Subpart G — Reference Standards](/cfr/10/chII-subchD-part434-subpartG.md)