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--- planning:building_services:ventilation:basics:types_of_ventilation [2015/09/01 10:07] – [The convenient solution: supply and exhaust air systems with heat recovery] wfeist
+++ planning:building_services:ventilation:basics:types_of_ventilation [2015/09/01 10:12] – [The convenient solution: supply and exhaust air systems with heat recovery] sensible heat wfeist
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 |{{ :picopen:heat_exchanger_ir.png?400 }}|
-|//**Thermographic image of an opened counterflow heat recovery\\ unit. The actual heat exchanger can be seen as a hexagon.\\ It recovers more than 75% of the perceptible heat from\\ the extract air. (Image: PHI).**//|\\
+|//**Thermographic image of an opened counterflow heat recovery\\ unit. The actual heat exchanger can be seen as a hexagon.\\ It recovers more than 75% of the sensible heat from\\ the extract air. (Image: PHI).**//|\\
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 The highly efficient ventilation units developed for the Passive House have also proved to be effective  in **modernisations of existing buildings**. Here they contribute to the improvement of the air quality, and ensure that mould growth does not occur at weak points in external building components, as well as helping to save energy.