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Independant test made by Electricité De France

Independant test made by Electricité De France. Heat gain for different hood systems. ” the 50% induction hood creates a lot of turbulences in the thermal flow especially when extract rate increases. The efficiency is even worse than a traditional exhaust only hood ”.

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Independant test made by Electricité De France

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  1. Independant test made by Electricité De France Heat gain for different hood systems ” the 50% induction hood creates a lot of turbulences in the thermal flow especially when extract rate increases. The efficiency is even worse than a traditional exhaust only hood ”

  2. Capture efficiency benefit ” The test shows that performances of the hood is depending very much on the % of induction air. If it’s too high (50%, 70%), turbulences prevent the hood from having a good efficiency. If it’s about 10%, efficiency can be improved by 20 to 50%, that means an equivalent reduction of extract rates.” ”Performances are not coming from the fact we are supplying untreated air, but from a better capture efficiency of the hood”.

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