ISO 52017-1-2017 PDF

Full title and description

ISO 52017-1:2017 — Energy performance of buildings — Sensible and latent heat loads and internal temperatures — Part 1: Generic calculation procedures. This document specifies generic assumptions, boundary conditions and equations for transient (hourly or sub‑hourly) calculation of internal air and operative temperatures and of the sensible, latent, humidification and dehumidification loads in a single building zone.

Abstract

ISO 52017-1:2017 provides the generic, zone‑level algorithms and boundary conditions needed to compute internal temperatures and heating/cooling (sensible and latent) loads under transient conditions. The standard does not mandate specific numerical solution techniques; it establishes the physical equations, assumptions and interfaces used by more application‑specific procedures (for example ISO 52016‑1). It is intended to be used for dynamic energy performance and load calculations including humidification and dehumidification.

General information

• Status: Published (International Standard; confirmed in a subsequent review).
• Publication date: June 2017 (edition 1, published June 2017).
• Publisher: International Organization for Standardization (ISO).
• ICS / categories: 91.120.10 (thermal insulation / thermal performance of buildings).
• Edition / version: Edition 1 (2017).
• Number of pages: 31 pages.

Scope

ISO 52017-1:2017 sets out the generic calculation framework for transient (hourly or sub‑hourly) determinations of zone internal temperatures (air and operative) and the associated sensible and latent heating, cooling, humidification and dehumidification loads required to maintain specified set‑points in a single thermal zone. It defines boundary conditions, internal and external gains, moisture-balance considerations and the governing equations; it does not prescribe particular numerical solution methods. The document is intended to be used as the generic basis for more specific procedures (for example those in ISO 52016‑1) and for software implementing dynamic building energy and load calculations.

Key topics and requirements

• Generic equations for zone heat and moisture balances (sensible and latent components).
• Boundary condition definitions for internal gains, solar gains, ventilation/infiltration and surface interactions.
• Transient calculation framework for hourly and sub‑hourly time steps.
• Definitions for air and operative temperatures and the loads required to maintain temperature and humidity set‑points.
• Interfaces and assumptions intended to enable consistent implementation across simulation tools (no mandatory numerical algorithms are imposed).

Typical use and users

Used by building energy modelers, HVAC and building services engineers, software developers of simulation tools, researchers in building physics, energy assessors, certification bodies and regulatory authorities. Typical applications include dynamic calculation of heating/cooling loads, validation of HVAC system sizing, evaluation of indoor temperature and humidity behavior, and as the generic core for standardised energy performance assessment methods.

Related standards

ISO 52017‑1 is part of the ISO 52000 series on energy performance of buildings and is closely linked with ISO 52016‑1 (calculation procedures for energy needs for heating and cooling, internal temperatures and heat loads) and ISO/TR 52016‑2 (explanatory/justification report). It replaces or consolidates several older methods and is intended to work alongside ISO 52000‑1 (overall EPB framework) and related EN/ISO published parts.

Keywords

energy performance of buildings, sensible heat load, latent heat load, internal temperatures, dynamic calculation, transient hourly simulation, humidification, dehumidification, thermal zone, HVAC load calculation.

FAQ

Q: What is this standard?

A: ISO 52017‑1:2017 defines generic calculation procedures (equations, assumptions and boundary conditions) for dynamic zone‑level calculation of internal temperatures and sensible/latent heating and cooling loads.

Q: What does it cover?

A: It covers transient hourly or sub‑hourly heat and moisture balance formulations for a single thermal zone, including definitions of internal and external gains, ventilation/infiltration, solar interactions, and the loads for heating, cooling, humidification and dehumidification required to maintain specified set‑points. It is deliberately generic and does not mandate specific numerical solution techniques.

Q: Who typically uses it?

A: Building energy simulation software developers, HVAC designers and engineers, building physicists, energy assessors, certifiers and regulators use this standard as the generic scientific and procedural basis for dynamic load and temperature calculations.

Q: Is it current or superseded?

A: ISO 52017‑1:2017 was published in June 2017 and the ISO record shows it was reviewed/confirmed (it remains the current edition as of the latest ISO review). Users should check the ISO catalogue for any amendments or later revisions if they require the absolute latest status.

Q: Is it part of a series?

A: Yes — ISO 52017‑1 is part of the broader EPB (energy performance of buildings) family (ISO 52000 series). It is intended to be used together with ISO 52016‑1 (application‑level calculation procedures) and ISO/TR 52016‑2 (explanatory/justification material).

Q: What are the key keywords?

A: Energy performance, sensible heat, latent heat, internal temperature, dynamic simulation, thermal zone, humidification, dehumidification, HVAC load calculation.