Are there databases of ductwork airtightness?

There are two ductwork airtightness databases that are often discussed in literature [1]: the French database from CEREMA: this database was created in 2016, it includes all the tests performed in France by a qualified tester in a regulatory or Continue reading →

What sort of certification programmes for ductwork airtightness exist?

Eurovent Certita Certification have a certification programme for rigid and semi-rigid ventilation ductwork systems divided into the following sub-programmes: Rigid metallic ductwork systems with circular cross-section (DUCT-MC); Rigid metallic ductwork systems with rectangular cross-section (DUCT-MR); Semi-rigid non-metallic ductwork systems predominantly Continue reading →