Maintenance - Maintenance Key Performance Indicators; German version EN 15341:2019+A1:2022
Edition 2022-08

Project management - Project management systems - Part 3: Methods
Edition 2009-01

User costs of buildings
Edition 2020-11

Energy performance of buildings - Economic evaluation procedure for energy systems in buildings - Part 1: Calculation procedures, Module M1-14; German version EN 15459-1:2017
Edition 2017-09

Energy performance of buildings - Economic evaluation procedure for energy systems in buildings - Part 1: Calculation procedures, Module M1-14
Edition 2017-12-01

Sampling; statistical principles of sampling with cross classification according to two equal-ranked criteria
Edition 1984-06

Sampling; statistical principles of sampling with cross classification according to two hierarchical criteria
Edition 1984-06

Environmental management - Material flow cost accounting - General framework (ISO 14051:2011); German and English version EN ISO 14051:2011
Edition 2011-12

Heating costs based on consumption; distribution of costs for appliances and clearing
Edition 1980-12

Dependability management - Part 3-3: Application guide - Life cycle costing (IEC 60300-3-3:2004); German version EN 60300-3-3:2004
Edition 2005-03