Search results with tag "Air duct system"

Return Air Duct System - Unico System

or calculator (such as the Trane Ductulator), size the re-turn ducts for 0.05 inches/100 ft (0.40 Pa/m) based on the expected airflow through that return air duct. The total sum of air from all the returns should be at least 250 CFM/nominal ton (33 l/s per-kW). Thermal Performance

  System, Trane, Duct, Air duct system