Excel Air Systems is the leading manufacturer of TDF Ducts with Highly sophisticated CNC Auto Duct Forming Machines Under the Brand name of Excel Air. These ducts are 4-Bolted Transfer Duct Flange(TDF) System.
Excel Air Systems knows the duct work is the crucial part of timely completion of HVAC Projects. Delay in duct work cause various implication in the projects.
Excel Air TDF Ducts are conforming to International HVAC Standards such as SMACNA, IS, DW144 etc.
Benefits of TDF Ducts
Very Low Leakage
Ducts are made from Coils instead of sheets thus ducts will be properly aligned after installation