[Editor’s note: When we last visited with lead installer John and his helper Charlie (The NEWS, March 5, 2007), they had just learned the hard way that there’s a lot more to sealing ducts than just ...
Spiral Duct Manufacturers Association (SPIDA) members often fabricate an inventory of standard lengths of round spiral ducts. These are fabricated not only for their own use, but may also be inventory ...
The latest version of ASHRAE 189.1 will expand duct testing requirements to include low pressure ducts as well as high pressure ducts. The latest updates to ASHRAE 189.1 have been finalized and ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback