3 ms·
Wait, is the air outdoors generally cleaner than the air indoors? Certainly not true in the Salt Lake valley for the 4 months of the year we get persistent inve
by coryfklein 2y ago
Wait, is the air outdoors generally cleaner than the air indoors? Certainly not true in the Salt Lake valley for the 4 months of the year we get persistent inversion.
- NavinF 2y agoThe CO2 levels outside are definitely lower than inside. Often by 4x. Fixing that without freezing is the main use case for an ERV