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The data demonstrates that the heat exchanger efficiency is nearly the 90%
as shown in figure 6.24
Figure 6.24 – HAVC’s heat exchanger efficiency
6.2.4 Conclusion of the first on-field study
The first results analyzed are showing that mechanical ventilation plays an
important role in limiting the CO2 and humidity levels. The heat exchanger
efficiency, referring at UNI EN 308/1998, reaches values of almost 90%.
Moreover, the data will be analyzed in relation to the habits of the
inhabitants by monitoring also some parameters such as the state of the
windows (opened or closed), the effective presence of people in the rooms
and energy consumption of the dwelling in relation to the adopted
ventilation systems (natural or mechanical).
The energy recovery is close to the theoretically value of 90% provided (by
Aldes France) although Indoor Air Quality (IAQ) level (of inhabitants) can
be improved.
6.3 On-field test application II
Aim of this second study was to demonstrate that between healthy subjects
and subjects with Parkinson’s disease and Ataxia objective detectable
differences can be found in the average accelerations, obtained with an
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