NO COOL. Found system operational upon arrival. Customer stated unit makes a lot of noise and rattles the rooms right next to it. Also master bedroom is the hottest room in the house and is where she has to work. Upon inspection found compressor drawing high amperage. Unit is original to the home. 15+. Freon levels are jumping around indicating possible contamination in freon circuit. Customer stated home warranty used to take care of the unit. It is possible they cross contaminated by using multiple types of refrigerants that are not the one required by the manufacture. In terms of the airflow to master bedroom and the rest of the home. Unit has one return for the whole home and home uses a 5 ton air conditioner. Recommend adding 2 returns and cutting in two new supply’s or enlarging two supply runs. Recommend this be done with installation since its easier to bundle with new equipment. Overall recommend options with new equipment since unit is past suggested life expectancy. To o