---
kind: "unit"
title: "10"
title_heading: "Energy"
key: "chII/subchD/part431/subpartR"
level: "subpart"
label: "Subpart R"
heading: "Walk-in Coolers and Walk-in Freezers"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/10/chII-subchD-part431-subpartR"
sections_count: 6
---

# Subpart R — Walk-in Coolers and Walk-in Freezers

Title 10 C.F.R. — Energy › Chapter II — Department of Energy › Subchapter D — Energy Conservation › Part 431 — Energy Efficiency Program for Certain Commercial and Industrial Equipment

## Sections

- [§431.301. Purpose and scope.](/cfr/10/431.301.md)
- [§431.302. Definitions concerning walk-in coolers and walk-in freezers.](/cfr/10/431.302.md)
- [§431.303. Materials incorporated by reference.](/cfr/10/431.303.md)
- [§431.304. Uniform test method for the measurement of energy consumption of walk-in coolers and walk-in freezers.](/cfr/10/431.304.md)
- [§431.305. Walk-in cooler and walk-in freezer labeling requirements.](/cfr/10/431.305.md)
- [§431.306. Energy conservation standards and their effective dates.](/cfr/10/431.306.md)