ISO/TR 52016-2:2017 PDF

Energy performance of buildings — Energy needs for heating and cooling, internal temperatures and sensible and latent heat loads — Part 2: Explanation and justification of ISO 52016-1 and ISO 52017-1

First page of standard ISO/TR 52016-2:2017

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Title (English):

ISO/TR 52016-2:2017

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 128
Publication date:: June 21, 2017
Edition:: ISO TR 52016 edition 1 version 1
ICS:: 91.120.10

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Description (English):

ISO/TR 52016-2:2017 contains information to support the correct understanding and use of ISO 52016‑1 and ISO 52017‑1. These documents give calculation methods for the assessment of: - the (sensible and latent) energy load and need for heating and cooling, based on hourly calculations; - the (sensible and latent) energy need for heating and cooling, based on monthly calculations (ISO 52016‑1); - the internal temperature, based on hourly calculations; and - the design (sensible and latent) heating and cooling load, based on hourly calculations. ISO/TR 52016-2:2017 does not contain any normative provisions. NOTE A description of the rationale behind the reorganization of the cluster of strongly related and partly overlapping ISO and CEN standards is given in Annex H.

Technical details

Technical committee: ISO/TC 163/SC 2 - Calculation methods
SKU: ISO/TR 52016-2:2017

Abstract

Overview

ISO/TR 52016-2:2017 is an informative ISO Technical Report that explains and justifies the calculation approaches given in ISO 52016‑1 and ISO 52017‑1 for the energy performance of buildings. It does not introduce normative requirements; instead it provides background, rationale, worked examples and guidance to support correct use of the hourly and monthly calculation methods for: energy needs and loads for heating and cooling (sensible and latent), internal temperatures, and design heating/cooling loads.

Key topics and technical content

The report organizes and clarifies the methods and assumptions used in ISO 52016‑1 and ISO 52017‑1. Major subjects covered include:

Scope, terms and definitions, and lists of symbols, subscripts and abbreviations to ensure consistent use of terminology.
Description of output data: energy needs, hourly and monthly outputs, and peak design loads.
Hourly calculation procedures (detailed routing of models from inputs to hourly outputs): thermal zoning, heat transfer, internal and solar gains, ventilation, moisture (latent heat) loads, and internal environment thermal capacity.
Monthly calculation procedures: simplified monthly energy need computations, utilization factors, intermittency corrections and overheating indicators.
Input data and assumptions: geometrical and thermophysical properties, boundary and operating conditions, and selection templates.
Zoning and thermal coupling: guidance on zone size, heat exchange between zones and unconditioned spaces.
Validation, verification and quality control: BESTEST-related verification cases, compliance checks, worked examples and reporting templates (Annexes A & B).
Annex H (noted) explains the rationale for reorganization of related ISO/CEN standards.

Practical applications

ISO/TR 52016-2:2017 is a supporting document for practical building energy assessment and modeling tasks:

Interpreting and applying ISO 52016‑1 (hourly and monthly calculation methods) and ISO 52017‑1 (reference hourly method).
Ensuring consistent inputs and assumptions for energy performance certifications, compliance checks and design studies.
Guiding development and validation of building simulation software and calculation tools.
Informing HVAC design for accurate determination of sensible and latent heating/cooling loads and internal temperature predictions.

Who should use this standard

Building energy modelers and simulation engineers
HVAC designers and load calculation specialists
Energy assessors and certification bodies
Software developers creating compliant calculation tools
Researchers and policymakers working on building energy performance standards

Related standards

ISO 52016‑1 (calculation methods for energy needs - hourly and monthly)
ISO 52017‑1 (reference hourly method) Note: ISO/TR 52016‑2 provides explanation and justification to support correct use of these standards rather than new normative requirements.

Keywords: ISO/TR 52016-2:2017, energy performance of buildings, heating and cooling energy needs, hourly and monthly calculations, sensible and latent heat loads, internal temperatures, ISO 52016‑1, ISO 52017‑1.

Related standards

Standards mentioned in the description

Abstract

Overview

Key topics and technical content

The report organizes and clarifies the methods and assumptions used in ISO 52016‑1 and ISO 52017‑1. Major subjects covered include:

Scope, terms and definitions, and lists of symbols, subscripts and abbreviations to ensure consistent use of terminology.
Description of output data: energy needs, hourly and monthly outputs, and peak design loads.
Hourly calculation procedures (detailed routing of models from inputs to hourly outputs): thermal zoning, heat transfer, internal and solar gains, ventilation, moisture (latent heat) loads, and internal environment thermal capacity.
Monthly calculation procedures: simplified monthly energy need computations, utilization factors, intermittency corrections and overheating indicators.
Input data and assumptions: geometrical and thermophysical properties, boundary and operating conditions, and selection templates.
Zoning and thermal coupling: guidance on zone size, heat exchange between zones and unconditioned spaces.
Validation, verification and quality control: BESTEST-related verification cases, compliance checks, worked examples and reporting templates (Annexes A & B).
Annex H (noted) explains the rationale for reorganization of related ISO/CEN standards.

Practical applications

ISO/TR 52016-2:2017 is a supporting document for practical building energy assessment and modeling tasks:

Interpreting and applying ISO 52016‑1 (hourly and monthly calculation methods) and ISO 52017‑1 (reference hourly method).
Ensuring consistent inputs and assumptions for energy performance certifications, compliance checks and design studies.
Guiding development and validation of building simulation software and calculation tools.
Informing HVAC design for accurate determination of sensible and latent heating/cooling loads and internal temperature predictions.

Who should use this standard

Building energy modelers and simulation engineers
HVAC designers and load calculation specialists
Energy assessors and certification bodies
Software developers creating compliant calculation tools
Researchers and policymakers working on building energy performance standards

Related standards

ISO 52016‑1 (calculation methods for energy needs - hourly and monthly)
ISO 52017‑1 (reference hourly method) Note: ISO/TR 52016‑2 provides explanation and justification to support correct use of these standards rather than new normative requirements.

ISO/TR 52016-2:2017 PDF

Technical details

Abstract

Overview

Key topics and technical content

Practical applications

Who should use this standard

Related standards

Related standards

Abstract

Overview

Key topics and technical content

Practical applications

Who should use this standard

Related standards

Related standards

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