Windowmaster takes control of natural ventilation in schools

Windowmaster, natural ventilation
Windowmaster’s NV Comfort system has been installed on many school buildings to control indoor climate using natural ventilation.

Windowmaster’s approach to natural ventilation has been installed in small and medium-size buildings in several schools in the south east of England. Norwood School in London and Hamstel Junior School in Essex are two of a number of schools that have installed the company’s NV Comfort control system to provide indoor climate control using natural ventilation.

Norwood School required a system to maintain the indoor climate in a new dance studio on the ground floor, an art room on the second floor and a staircase. The solution was designed to control 13 actuators on windows in the three zones, a fan in the art room and to position a louvre damper in a Windcatcher to bring air into the dance studio.

NV Comfort was also specified for a new building at Hamstel Junior School to control 35 actuators on windows in the roof and facades, and blinds on the facade windows. The system was set up to monitor temperature and CO2 in seven zones. Based on these readings, windows are automatically positioned to draw air in through facade windows and expel it through roof windows as required to maintain optimum indoor air quality.

NV Comfort opens and closes windows by small incremental amounts on the basis of fixed values for room temperature and CO2 levels, as well as measurements of external temperature, rain and wind speed. Individual rooms can be controlled from a central location via the NV Comfort touch screen. The system can be retrofitted on many existing windows and installed on new buildings.

For more information on this story, click here: July 2011, 131
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