4 ms·
that's why you don't ventilate by opening windows wide open but with purpose built fans with a heat recovery device.
by eecc 4y ago
that's why you don't ventilate by opening windows wide open but with purpose built fans with a heat recovery device.
- pyrale 4y agoThat's the sense of the "most buildings" caveat: double flow ventilation systems are still uncommon in Europe, especially for housing.