10 CFR § 436.42 - Evaluation of Life-Cycle Cost Effectiveness.

---
identifier: "/us/cfr/t10/s436.42"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "10 CFR § 436.42 - Evaluation of Life-Cycle Cost Effectiveness."
title_number: 10
title_name: "Energy"
section_number: "436.42"
section_name: "Evaluation of Life-Cycle Cost Effectiveness."
chapter_name: "DEPARTMENT OF ENERGY"
subchapter_number: "D"
subchapter_name: "ENERGY CONSERVATION"
part_number: "436"
part_name: "FEDERAL ENERGY MANAGEMENT AND PLANNING PROGRAMS"
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. 7101  42 U.S.C. 8254; 42 U.S.C. 8258; 42 U.S.C. 8259b; 42 U.S.C. 8287,"
regulatory_source: "44 FR 60669, Oct. 19, 1979, unless otherwise noted."
cfr_part: "436"
---


# 436.42 Evaluation of Life-Cycle Cost Effectiveness.

For the purpose of compliance with section 553 of the National Energy Conservation Policy Act:

(a) ENERGY STAR qualified and FEMP designated products may be assumed to be life-cycle cost-effective.

(b) In making a determination that a covered product is not life-cycle cost-effective, an agency should rely on the life-cycle cost analysis method in part 436, subpart A, of title 10 of the Code of Federal Regulations.