Dear All, need help to understand the issue. Looking to buy a house with two systems. Attic unit cools the second floor. House is 5 years old, but my problem is that master bedroom is not cooling enough, registers in the master bedroom show 56 degrees while all other rooms' registers are between 40-50 degrees. HVAC unit is right above the master bedroom and ducts are short to the registers in the master room. Seller is saying "works as designed" but it beats me why he refuses to air balance them. I do not have any equipment to measure air pressure and speed, but if I put my hand to the register pressure is much less than in other rooms. Could there be something else that Seller is hiding? I called an only available in my area HVAC-Talk contractor from the HVAC-Talk Map and his phone is not even active anymore. Others are 30+ miles away and unlikely to roll to this place. I need help in Mundelein, Illinois so if I can find reputable tech with necessary quality equipment that would be great.