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.