3 ms·
Be aware that some of the whole house systems might not have a fresh air intake. This can lead to relatively high CO2 levels inside the building and affect well
by ahaucnx 6y ago
Be aware that some of the whole house systems might not have a fresh air intake. This can lead to relatively high CO2 levels inside the building and affect wellbeing and cognitive performance.
- danans 6y agoIdeally yes, they should have a fresh air intake connected to something like an HRV, but there is still value in dust/smoke/pathogen filtration even if the fresh air source for removing CO2 is a different one (i.e an open window). They are definitely better than no air filtration at all.