2 ms·
Heat recovery ventilation [1] can bring in fresh air and output old air while recovering the vast majority of the heat. [1] https://en.wikipedia.org/wiki/Heat_
by CrazyStat 5y ago
Heat recovery ventilation [1] can bring in fresh air and output old air while recovering the vast majority of the heat.
[1] https://en.wikipedia.org/wiki/Heat_recovery_ventilation https://en.wikipedia.org/wiki/Heat_recovery_ventilation