Ducted Air Distribution

The forced-air system is composed of an air handler (furnace, heat pump, air conditioner) with its heat exchanger along with attached ducts. The annual system efficiency of forced-air heating and air-conditioning systems is based on the following issues. 

  • Duct leakage
  • System airflow
  • Blower operation
  • The balance between supply and return air
  • Duct insulation levels
  • System location

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