10 CFR § 429.104 - Assessment testing.
---
identifier: "/us/cfr/t10/s429.104"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "10 CFR § 429.104 - Assessment testing."
title_number: 10
title_name: "Energy"
section_number: "429.104"
section_name: "Assessment testing."
chapter_name: "DEPARTMENT OF ENERGY"
subchapter_number: "D"
subchapter_name: "ENERGY CONSERVATION"
part_number: "429"
part_name: "CERTIFICATION, COMPLIANCE, AND ENFORCEMENT FOR CONSUMER PRODUCTS AND COMMERCIAL AND INDUSTRIAL EQUIPMENT"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 6291-6317; 28 U.S.C. 2461 note."
regulatory_source: "76 FR 12451, Mar. 7, 2011, unless otherwise noted."
cfr_part: "429"
---
# 429.104 Assessment testing.
(a) DOE may, at any time, test a basic model to assess whether the basic model is in compliance with the applicable energy conservation standard(s).
(b) For variable refrigerant flow multi-split air conditioners and heat pumps (other than air-cooled with rated cooling capacity less than 65,000 btu/h), when DOE may require that the manufacturer of a basic model ship at its expense any means of control for the basic model necessary for conducting testing in accordance with Appendix D1 to subpart F of 10 CFR part 431 of this subchapter.
[87 FR 63895, Oct. 20, 2022]