Publication of the design and implementation guide “Ventilation – 2nd edition”

This guide provides the answers to design, implement and maintain a VMC or double-flow ventilation installation in residential areas. It takes into account the latest recommendations of NF DTU 68.3, the requirements of RT2012 and RE2020.

A richly illustrated complement to the reference texts, this guide details good practices and makes it possible to reconcile the improvement of indoor air quality and energy performance.

On the one hand, the guide details the design, implementation, control and maintenance of VMC and double flow ventilation:

key design points:
- layout and sizing of networks,
- sealing and insulation of ducts,
- air intakes and discharges,
- sizing of installations,

bypass and summer comfort, over-ventilation;

execution details for:
- central, bypass, exchangers and fans,
- ducts and vents,
- transit passages.
measurements and checks upon receipt;
maintenance of facilities.

It integrates the latest regulatory and normative developments concerning VMC and double-flow ventilation systems, taking into account thermal and environmental regulations.

It develops a simplified application specific to individual homes and specifies how to maintain the installation. It also presents the control of installations according to the RE2020 control protocol.

Furthermore, this guide provides the elements necessary to design, implement and verify good airtightness of ventilation networks. It makes it possible to achieve the right match between energy performance and air quality in compliance with RT2012 by presenting: