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Is blower running as fast as normal?
Looking for a manual on the furnace. If you turn fan to ON instead of auto does that seem to help?
Have you checked ac coil to see if it is dirty? And blower wheel?
Let me ask this. When in ac mode, do you have good air flow?
Are you aware and acceptable with the additional 18.00 for the phone call? The website will automatically bill you if you agree.
WE can continue here at no additional charge or talk on phone for the 18.00 fee. Let me know what you want to do.I will be leaving shortly.
I am suspecting you may have a dirty ac coil or bad capacitor if is air is 126 at registers and not very strong.You said you have checked ducts so I don't suspect a damper or anything has got closed. About the only things this can be is dirty coil or a bad fan capacitor not allowing bower to move enough air.Do you have a meter to check microfarads on capacitor?
have you done so? If not lets turn unit off, remove wires from capcitor and see if it is within 3% of rating marked on it.
I do not know if there is a damper in the system.You would have to verify that on site. Did you check capacitor?
I understand. We will go from here. Let me know what you find. Check capacitor first and then you might want to amp out motor to make sure it is within range,then check coil .Talk to you then