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Duct / Ductwork – Defined

en Español

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A network of metal, fiberboard or flexible material flowing throughout a space which delivers air from an HVAC unit to the respective zones of a home or office.” HVAC Industry – Dictionary of Terms . Ducts and registers (i.e., intentional openings in the walls, floors, or ceilings covered by grills) carry air from the HVAC through the home.

DID YOU KNOW?

  • Does it save energy to “close off” certain rooms of the house by closing the vents/registers and closing the doors? NO!

SAM_2371

  • Sheet Metal Duct -Fabricated ductwork from galvanized steel sheets. Duct systems shall include UL 181 listed ducts with approved closure systems including collars, connections and splices.
  • Duct Blaster – A tool used to diagnose duct leakage. It consists of a calibrated fan capable of blowing up to 1,500 cubic feet per minute (CFM) of air, a pressure tap, and flexible ducting for hook-up with a duct system.
  • Duct Board – Resin-bonded fiberglass formed into rigid rectangular boards faced on exterior with a fire-resistant foil-scrim kraft vapor retarder and faced on the interior with a tightly bonded non- woven mat.
  • Duct Wrap Insulation. Thermally insulated fiberglass batt material that reduces unwanted heat loss or gain and condensation during system operation. Required Code Requirements: Meet IRC/IECC insulation requirements for climate.
  • Air Sealing and Insulation: Ductwork

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Page Last Updated: 5 years ago
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