Need some advice for a poorly working CAC

[suzook]

No he didnt leave it. BTW...it runs a good amount of the day, the thermostat is upsatirs, knowing it would be a bit warmer up there. On a 90 degree day, the unit runs most of the day just to keep it at 74 upstairs. Shouldnt it be an icebox up there if I wanted???

[beenthere]

Not with under sized duct work.

On a 90 degree day mine runs a majority of the time to keep it at 72° and my place is 1650 sq ft, its a 2.5 ton unit.

[suzook]

Not with under sized duct work.

On a 90 degree day mine runs a majority of the time to keep it at 72° and my place is 1650 sq ft, its a 2.5 ton unit.

Thanks, i will have him come out and fix the undersized return and supply to the 2nd floor. I appreciate all the help, and will let you know how it turns out.