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Are you constantly fixed or…

Mechanical Extract Ventilation. Are you constantly fixed or…. demand controlled?. MEV with constant airflow. MEV with constant airflow. During the day. In the morning. High energy losses. Exhausted airflow remains high. No variation of airflow. MEV with constant airflow.

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Are you constantly fixed or…

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  1. Mechanical Extract Ventilation Are you constantly fixed or… demand controlled?

  2. MEV with constant airflow

  3. MEV with constant airflow During the day In the morning High energy losses Exhausted airflow remains high No variation of airflow

  4. MEV with constant airflow In the evening After work No variation of airflow

  5. MEV with constant airflow At night High energy losses

  6. MEV with demand controlled airflow

  7. MEV with demand controlled airflow During the day In the morning Extracted airflow decreases High energy savings Adjustment of airflowto reduced humidity High energy savingsall day long

  8. MEV with demand controlled airflow After work High energy consumption during a short period of time Adjustment of airflows based on humidity in each room Extracted airflowboosted with human activity

  9. MEV with demand controlled airflow After work High energy consumption during a short period of time

  10. MEV with demand controlled airflow In the evening Airflows andenergy consumption still vary with occupants’ activity

  11. MEV with demand controlled airflow Shower Airflows andenergy consumption still vary with occupants’ activity

  12. MEV with demand controlled airflow At night Extracted airflow and energy consumptionslow down …and increases slightlyin the bedroom Airflow decreases inempty rooms when pollutants are extracted… High energy savingsall night long

  13. MEV with demand controlled airflow At night High energy savingsall night long

  14. Constant airflow MEV Demand Controlled MEV Energy Savings

  15. Constant airflow MEV Wake up Cooking Dining Shower Breakfast Relaxing Airflow (energy losses) Sleeping Out working

  16. Demand Controlled MEV Wake up Cooking Dining Shower Breakfast Relaxing Shower Airflow (energy losses) Sleeping Out working

  17. Demand Controlled MEV Energy savings thanks to DC MEV Wake up Cooking Dining Shower Breakfast Relaxing Shower Airflow (energy losses) Sleeping Out working

  18. Demand Controlled MEV Energy savings thanks to DC MEV Airflow (energy losses)

  19. Energy savings thanks to DC MEV 20% to 50% From 20% to 50% energy savings on heat losses due to ventilation

  20. Constant airflow MEV Demand Controlled MEV Indoor Air Quality

  21. Operating Principle of Humidity Sensitive Products Air section / Airflow in m3/h Indoor relative humidity (%)

  22. Wake up Cooking Dining Shower Breakfast Relaxing Shower Sleeping Out working Demand Controlled MEV A quick response to pollutants During the day, various pollutants are generated by the house, Constant MEV airflow by human presence, or activity. Demand Controlled MEV airflow VOC RH CO2

  23. Demand Controlled Ventilation: a complete system • Humidity Sensitive Air Inlets • Humidity Sensitive and PIR Extract Units • Constant Pressure Fans

  24. Demand Controlled Ventilation

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