3 ms·
Cold climates also suck for co2. There are very cheap hrv’s but I think they are noisy.
by dzhiurgis 4y ago
Cold climates also suck for co2. There are very cheap hrv’s but I think they are noisy.
- graeme 4y agoThat one’s actually easier. Air circulates much better when there is a temperature difference. A single window opened a crack will generally ventilate most homes or apartments. There will be somewhat higher heating costs but usually not excessive. Less than a lot of non-essential things people already spend money on
- graeme 4y agoTo manage high AQI and high CO2 and you need the windows open enough to ventilate and enough hepa to lower the AQI pollutants that comes in