Sontay Smart Sensors are a success at Maltese school
Case Study
A primary school in Malta is now benefitting from closer control and improved energy efficiency through a sophisticated Building Energy Management System (BEMS).
Natural Ventilation
To ensure a well-ventilated workplace general ventilation should be provided that removes stale, contaminated, or hot and humid air so that occupants do not suffer any ill-health effects. It may be worth considering using effective natural and/or mechanical general ventilation to provide the fresh air supply.
Temperature and air pressure differences in a building create an upward movement of air or ‘stack’ effect.
Stack ventilation may be effective enough to carry vapours generated by small-scale hot industrial processes upwards. They can then be removed through the roof via roof ventilators or extraction fans. If cooler air comes in at a low level, it will displace the warm rising contaminated air.
Key considerations
Downward Air Movement
Occasionally, there can be downward air movement if the air is cold.
Wind Forces
Wind forces are affected by wind speed, wind direction and the shape of the building.
Cross-Ventilation
Cross-ventilation occurs when wind blows air through a room or building which has openings (for example windows) on opposite sides.
Single-Sided Ventilation
Single-sided ventilation occurs when there are one or more openings (such as a window or a door) on one side only.
Healthy Standards
To ensure a well-ventilated workplace general ventilation should be provided that removes stale, contaminated, or hot and humid air so that occupants do not suffer any ill-health effects. It may be worth considering using effective natural and/or mechanical general ventilation to provide the fresh air supply.
If the contaminant is of a low toxicity and produced in such low concentrations that it would be impractical and costly to use Local Exhaust Ventilation (LEV), it may be worth considering using general ventilation as part of the control strategy.