# 10 CFR § 429.11: General sampling requirements for selecting units to be tested

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-10-429.11

## Section

- **Citation:** 10 CFR § 429.11
- **Heading:** General sampling requirements for selecting units to be tested
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** September 22, 2026
- **Source:** Publisher's official text
- **Location:** Title 10—Energy > CHAPTER II—DEPARTMENT OF ENERGY > SUBCHAPTER D—ENERGY CONSERVATION > PART 429—CERTIFICATION, COMPLIANCE, AND ENFORCEMENT FOR CONSUMER PRODUCTS AND COMMERCIAL AND INDUSTRIAL EQUIPMENT > Subpart B—Certification

## Text

(a) When testing of covered products or covered equipment is required to comply with section 323(c) of the Act, or to comply with rules prescribed under sections 324, 325, 342, 344, 345 or 346 of the Act, a sample comprised of production units (or units representative of production units) of the basic model being tested must be selected at random and tested and must meet the criteria found in §§ 429.14 through 429.69 and § 429.76. Components of similar design may be substituted without additional testing if the substitution does not affect energy or water consumption. Any represented values of measures of energy efficiency, water efficiency, energy consumption, or water consumption for all individual models represented by a given basic model must be the same, except for central air conditioners and central air conditioning heat pumps, as specified in § 429.16; and
(b) The minimum number of units tested shall be no less than two, except where:
(1) A different minimum limit is specified in §§ 429.14 through 429.69 and § 429.76; or
(2) Only one unit of the basic model is produced, in which case, that unit must be tested and the test results must demonstrate that the basic model performs at or better than the applicable standard(s). If one or more units of the basic model are manufactured subsequently, compliance with the default sampling and representations provisions is required.
[87 FR 63646, Oct. 19, 2022, as amended at 88 FR 14043, Mar. 6, 2023; 88 FR 27387, May 1, 2023; 88 FR 38626, June 13, 2023]

## Nearby sections

- [10 CFR § 429.1 § 429.1 Purpose and scope.](https://www.frixlaw.com/law-library/statutes/ecfr-10-429.1.md)
- [10 CFR § 429.2 § 429.2 Definitions.](https://www.frixlaw.com/law-library/statutes/ecfr-10-429.2.md)
- [10 CFR § 429.3 § 429.3 Sources for information and guidance.](https://www.frixlaw.com/law-library/statutes/ecfr-10-429.3.md)
- [10 CFR § 429.4 § 429.4 Materials incorporated by reference.](https://www.frixlaw.com/law-library/statutes/ecfr-10-429.4.md)
- [10 CFR § 429.5 § 429.5 Imported products.](https://www.frixlaw.com/law-library/statutes/ecfr-10-429.5.md)
- [10 CFR § 429.6 § 429.6 Exported products.](https://www.frixlaw.com/law-library/statutes/ecfr-10-429.6.md)
- [10 CFR § 429.7 § 429.7 Confidentiality.](https://www.frixlaw.com/law-library/statutes/ecfr-10-429.7.md)
- [10 CFR § 429.8 § 429.8 Subpoena.](https://www.frixlaw.com/law-library/statutes/ecfr-10-429.8.md)
- [10 CFR § 429.10 § 429.10 Purpose and scope.](https://www.frixlaw.com/law-library/statutes/ecfr-10-429.10.md)
- [10 CFR § 429.11 § 429.11 General sampling requirements for selecting units to be tested.](https://www.frixlaw.com/law-library/statutes/ecfr-10-429.11.md)
- [10 CFR § 429.12 § 429.12 General requirements applicable to certification reports.](https://www.frixlaw.com/law-library/statutes/ecfr-10-429.12.md)
- [10 CFR § 429.13 § 429.13 Testing requirements.](https://www.frixlaw.com/law-library/statutes/ecfr-10-429.13.md)
- [10 CFR § 429.14 § 429.14 Consumer refrigerators, refrigerator-freezers and freezers.](https://www.frixlaw.com/law-library/statutes/ecfr-10-429.14.md)
- [10 CFR § 429.15 § 429.15 Room air conditioners.](https://www.frixlaw.com/law-library/statutes/ecfr-10-429.15.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-10-429.11. Check the current official text before relying on it. Not legal advice.