Article archive for National Ventilation Ltd
Making extractor fans more energy efficient (10 November 2009)
A cowl designed to counteract the adverse effects of external wind on the performance of mechanical extract ventilation systems and passive vents has been launched by National Ventilation. The patented Energysaver Grille is up to 20% less resistant to airflow and can make any extractor fan up to 20% more energy efficient. The cowl also alleviates ‘blow back’ further increasing efficiency and reducing energy consumption.
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