We are moving our son up to the upper level of our home. We have duct and
vents up there, but the air circulation from the top floor from the basement
blower is so weak that it barely keeps it warm and you can barely the air
conditioned air if at all.
Our system had a new blower fan put in about 7 years ago and the air
circulation is fine except for the upper 2 bedrooms.
Is there any way I can increase the air flow up there?