3 ms·
The thing about HRV/ERV filters is that it is effectively a pre-filter, because the real filtering is supposed to be done by the HVAC system that the HRV/ERV du
by bradknowles 3y ago
The thing about HRV/ERV filters is that it is effectively a pre-filter, because the real filtering is supposed to be done by the HVAC system that the HRV/ERV dumps into.
You still get your HEPA filtering, because that's on your HVAC system.