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Ventilation System

The main opportunities for saving energy with ventilation systems are eliminating unnecessary conditioning and reducing fan energy consumption.

Day to day activities

Field Inspection Check List

  • Duct insulation
  • Duct leaks
  • Fans
  • Dampers
  • Air grills
  • Air filters – clean or change

Recommendations, advice and tips

  • Clean the system regularly – ducts, air grills, air filters
  • Insulate supply ducts. Wherever heating ducts are exposed to unheated areas, there is potential for heat loss.
  • Lubricate all moving parts
  • Upon exchange of fan, the new fan should be highly efficient, with variable speed control
  • If possible, occupancy sensors installed for lighting control can also be used for ventilation control
  • Upon installation of heat recovery equipment, the recovery unit should have an efficient coefficient above 0.8
  • Electric motors should be highly efficient

 
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