2200 sf single level house. 2 occupants, 3 bedrooms.
Pre CFM50 4028
Pre VP 175
Post CFM50 1649
Post VP 72
The air sealing contractor has mentioned I might consider installing a Panasonic ventilator that both supplies and exhausts air and balances inside pressure.
What about keeping a window or door open in lieu of the above. Or a passive vent, thru the wall?