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ASTM E1121 - 15(2026)

Standard Practice for Measuring Payback for Investments in Buildings and Building Systems

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Edition date: 2026-04-01
In Force
Available languages: English
Summary:

Keywords: benefit-cost analysis; building economics; economic evaluation methods; engineering economics; investment analysis; life-cycle cost analysis; maximum acceptable payback period; net benefits; net savings; payback; sensitivity analysis; simple payback;
Scope:

1.1 This practice provides a recommended procedure for calculating and applying the payback method in evaluating building designs and building systems.

1.2 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ICS: 03.060-Finances. Banking. Monetary systems. Insurance, 91.010.99-Other aspects
CTN: E06.81 - E06.81

Standards Cancellations

Anula a E1121 - 15(2020)e1

Otras Relaciones

Es referenciada por E3008/E3008M - 16(2023)

Es referenciada por E917 - 17(2023)

Es referenciada por E964 - 15(2026)

Es referenciada por E1369 - 15(2020)e1

Es referenciada por E1185 - 15(2026)

Es referenciada por E3130 - 21

Es referenciada por E1057 - 15(2026)

Es referenciada por E1074 - 15(2026)

Es referenciada por E2204 - 15(2020)e1

Es referenciada por E2103/E2103M - 19(2024)

Es referenciada por E2506 - 15(2020)e1

Es referenciada por E1765 - 16(2023)

Es referenciada por E1557 - 09(2024)

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