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© Aereco 2010 Are you constantly fixed or… demand controlled? Mechanical Extract Ventilation.

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Presentation on theme: "© Aereco 2010 Are you constantly fixed or… demand controlled? Mechanical Extract Ventilation."— Presentation transcript:

1 © Aereco 2010 Are you constantly fixed or… demand controlled? Mechanical Extract Ventilation

2 © Aereco 2010 MEV with constant airflow

3 © Aereco 2010 Constant MEV KW In the morning During the day No variation of airflow Exhausted airflow remains high High energy losses MEV with constant airflow

4 © Aereco 2010 Constant MEV KW After work In the evening No variation of airflow MEV with constant airflow

5 © Aereco 2010 Constant MEV KW At night MEV with constant airflow High energy losses

6 © Aereco 2010 MEV with demand controlled airflow

7 © Aereco 2010 Savings Aereco MEV KW Constant MEV KW In the morning During the day MEV with demand controlled airflow Extracted airflow decreases Adjustment of airflow to reduced humidity High energy savings all day long High energy savings

8 © Aereco 2010 Savings Aereco MEV KW Constant MEV KW After work MEV with demand controlled airflow Adjustment of airflows based on humidity in each room Extracted airflow boosted with human activity High energy consumption during a short period of time

9 © Aereco 2010 Savings Aereco MEV KW Constant MEV KW After work MEV with demand controlled airflow High energy consumption during a short period of time

10 © Aereco 2010 Savings Aereco MEV KW Constant MEV KW In the evening MEV with demand controlled airflow Airflows and energy consumption still vary with occupants’ activity

11 © Aereco 2010 Savings Aereco MEV KW Constant MEV KW Shower MEV with demand controlled airflow Airflows and energy consumption still vary with occupants’ activity

12 © Aereco 2010 Savings Aereco MEV KW Constant MEV KW At night MEV with demand controlled airflow Airflow decreases in empty rooms when pollutants are extracted… …and increases slightly in the bedroom Extracted airflow and energy consumption slow down High energy savings all night long

13 © Aereco 2010 Savings Aereco MEV KW Constant MEV KW At night MEV with demand controlled airflow High energy savings all night long

14 © Aereco 2010 Energy Savings Constant airflow MEV Demand Controlled MEV

15 © Aereco 2010 Wake up Out working 06:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:0000:0001:0002:0003:0004:0005:0006:00 Sleeping Shower Dining Cooking Breakfast Relaxing Airflow (energy losses) Constant airflow MEV

16 © Aereco 2010 Wake up Out working 06:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:0000:0001:0002:0003:0004:0005:0006:00 Sleeping Shower Dining Cooking BreakfastRelaxing Airflow (energy losses) Demand Controlled MEV Shower

17 © Aereco 2010 Wake up Out working 06:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:0000:0001:0002:0003:0004:0005:0006:00 Sleeping Shower Dining BreakfastRelaxing Airflow (energy losses) Shower Energy savings thanks to DC MEV Demand Controlled MEV Cooking

18 © Aereco :0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:0000:0001:0002:0003:0004:0005:0006:00 Airflow (energy losses) Energy savings thanks to DC MEV Demand Controlled MEV

19 © Aereco 2010 From 20% to 50% energy savings on heat losses due to ventilation Energy savings thanks to DC MEV 20% to 50%

20 © Aereco 2010 Indoor Air Quality Constant airflow MEV Demand Controlled MEV

21 © Aereco 2010 Indoor relative humidity (%) Air section / Airflow in m 3 /h Operating Principle of Humidity Sensitive Products

22 © Aereco 2010 or activity. by human presence, 06:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:0000:0001:0002:0003:0004:0005:0006:00 Out working Sleeping Demand Controlled MEV Wake up Shower Dining Cooking BreakfastRelaxing Shower VOC CO 2 RH Constant MEV airflow Demand Controlled MEV airflow During the day, various pollutants are generated by the house, A quick response to pollutants

23 © Aereco 2010 Demand Controlled Ventilation: a complete system  Humidity Sensitive Air Inlets  Humidity Sensitive and PIR Extract Units  Constant Pressure Fans

24 © Aereco 2010 Demand Controlled Ventilation


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