- The duct(s) of a forced air heating/cooling system through which heated or cooled air is supplied to rooms by the action of the fan of the central heating or cooling unit.
Energy terms . 2014.
Look at other dictionaries:
Duct (HVAC) — A round galvanized steel duct connecting to a typical diffuser Fire resistance rated … Wikipedia
Duct leakage testing — A duct leakage tester is a diagnostic tool designed to measure the airtightness of forced air heating, ventilating and air conditioning (HVAC) ductwork. A duct leakage tester consists of a calibrated fan for measuring an air flow rate and a… … Wikipedia
Duct tape alert — The duct tape alert refers to the recommendations made by the U.S. Department of Homeland Security on February 10, 2003, that Americans should prepare for a biological, chemical, or radiological terrorist attack by assembling a disaster supply… … Wikipedia
Pancreatic duct — of Wirsung redirects here. For the pancreatic duct of Santorini, also known as the accessory pancreatic duct, see Accessory pancreatic duct. Pancreatic duct The pancreatic duct … Wikipedia
Collecting duct system — Scheme of renal tubule and its vascular supply. Latin tubulus renalis colligens Gray s … Wikipedia
Return Duct — The central heating or cooling system contains a fan that gets its air supply through these ducts, which ideally should be installed in every room of the house. The air from a room will move towards the lower pressure of the return duct … Energy terms
d duct — noun Usage: usually capitalized 1st D : a duct placed in a double skinned leading edge of an airfoil in order to supply hot air for thermal anti icing … Useful english dictionary
Air handler — An air handling unit; air flow is from the right to left in this case. Some AHU components shown are: 1 Supply duct 2 Fan compartment 3 Vibration isolator ( flex joint ) 4 Heating and/or cooling coil 5 Filter compartment 6 Mixed (recirculated +… … Wikipedia
tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening … Universalium
Unit Injector — (abbrev. UI) is a diesel engine fuel injection system, combining the injection pump and the injector nozzle in a single component, which is (usually) driven by the engine camshaft.HistoryUnit Injector systems were commonly associated as Detroit… … Wikipedia