On Jul 19, 12:33*pm, "
wrote:
I use an AprilAire whole house humidifier and have a huge dust problem
in winter from the minerals in the water. *Can anyone recommend the
best type water filter unit and cartridge to put into the water line
to the humidifier?

Thanks,

Ed S.

Are you making the mistake of using softened water to the
humidifier? Softened water does not usually remove the dust problem
and can make it worse.

Are you sure the problem is coming from the water/humidifier?