Hi Sue, Yes our home is about 5 years old Florida so its tight they mud =
it inside and out concrete block as well. There is a intake 6=E2=80=9D =
on roof. We have added a few house plant that has helped. Might get a =
few more. I set the ac omode to circulate, instead of auto that seemed =
to help a bit. Just opening front and back for 5 minutes does the =
trick. Yes Ive had the headaches too. Is why i=E2=80=99m concerned in =
this. We will talk to our AC guys to see if they can increase airflow as =
well. Thanks for your help.=20

> On Mar 23, 2023, at 10:18 AM, Mayo Clinic Connect =
wrote:
>=20
>