INTERTEK

Excelair Volume Control Dampers are
tested and certified by Intertek for Air
Performance and Leakage in accordance
with AMCA Standard -500D2012-
entitled, “Laboratory Methods for
Testing Dampers for Rating”
EXCELAIR Grilles and Diffusers are tested
by Intertek/ETL in accordance with the
ASHRAE 2006-70 Standard “Method of
Testing for Rating the Performance of Air
Outlets and Inlets”, which incorporates
ADC 1062: GRD84- Test Code for Grilles,
Registers and Diffusers
EXCELAIR Sound Attenuators are tested
by Intertek/ETL in accordance with ASTM
Standard E06-477, entitled “Standard
Method of Testing Duct Liner Materials
and Prefabricated Silencers for Acoustical
and Airflow Performance”.