Insulated Ducts and Insulated Ductworks

摘要

An HVAC duct is provided. The duct includes an outer tube having a fully continuous external perimeter. The duct further includes an inner tube capable of conveying forced air. The inner tube extends within the outer tube longitudinally. The duct also includes a plurality of support elements spanning between the outer tube and the inner tube. The elements extends along the outer tube and the inner tube longitudinally. The elements define a plurality of channels between the outer tube and the inner tube. The outer tube, the inner tube, and the elements are fully unitary.

主权项

1. An HVAC duct comprising:
an outer tube having a fully continuous external perimeter; an inner tube capable of conveying forced air, said inner tube extending within said outer tube longitudinally; a plurality of support elements spanning between said outer tube and said inner tube, said elements extending along said outer tube and said inner tube longitudinally, said elements defining a plurality of channels between said outer tube and said inner tube, wherein said outer tube, said inner tube, and said elements are fully unitary.