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The Ventilation Modelling Data Guide of the AIVC replaces the old Technical Note 44 (1994) which was mainly focused on leakage and wind pressure data presented in tables. The new approach is an interactive database available on CD-Rom. The guide itself has the same layout than the other AIVC publications but is provided with hyperlinks to about 300 different documents stored on the CD (245 MB of information).

The items presented in the ventilation Modelling Data Guide are:

A large number of modern European buildings are equipped with ducted air distribution systems. Because they represent a key parameter for achieving a good indoor climate, increased attention has been given to their performance during the past fifty years. One aspect that is particularly developed in this handbook concerns the airtightness of the ductwork, which has been identified as a major source of inadequate functioning and energy wastage of HVAC systems.

The purpose of the AIVC's new guide to ventilation is to review ventilation in the context of achieving energy efficiency and good indoor air quality. It is primarily concerned with providing an introduction to the topic and encapsulates the knowledge and experience derived from experts in all the participating countries of the Air Infiltration and Ventilation Centre. Numerical descriptions have been kept to a minimum, while emphasis is placed on describing ventilation and the decision making involved in selecting and planning for ventilation.

A loose-leaf handbook (228 pp) divided into seven chapters covering air change rate, interzonal airflow and building airtightness measurement techniques.

This guide is concerned with the measurement of those parameters which are important in gaining an understanding of air infiltration and ventilation. The guide has been designed so that the material suited to your particular level of interest or current expertise, is readily accessible.

'The intention of the Calculation Techniques Guide is to provide researchers and designers with detailed background to air infiltration modelling and to give step-by-step guidance on the application of modelling techniques in design. Particular emphasis is placed on providing specific guidelines on the calculation of steady-state air infiltration and on air change rates in industrial, commercial and domestic buildings.

This internationally applicable guide to airtightness design solutions is of great practical value to anyone wishing to design dwellings with low pollution and energy demands. By providing details of good construction practice for a range of countries and climates, the AIVC's original handbook is still relevant today.