The house is as beautiful and stylish as the pictures depict and is in a great neighborhood. Everything about it is wonderful except for the air conditioning system, which in the heat of the summer is a problem. When we arrived at 4pm, the two thermostats (one upstairs and one downstairs) were set at 76 degrees. The downstairs temperature was a relatively comfortable 76 degrees, but the upstairs temperature was 81 degrees. We tried to adjust the thermostats but the Nest thermostats required a pin number to operate them which was not provided. We contacted the property manager who said that they did not have the pin number but could adjust the thermostats remotely, which they did. They also said that the air conditioning unit had just been repaired. The owner also came by to check on things and assured us that the temperature would come down over time, which it eventually did after the sun went down. Given the fact that it was 100 degrees every day we were in Austin, which is typical for August, and the temperature and doesn't moderate until after 9pm, this issue repeated itself daily rendering the second floor of the home too uncomfortable to inhabit for any length of time from noon until 10pm.
Having just renovated our own 3200 square foot two story home which is also located in the deep south, I have some recent experience dealing with this issue. I recommend that the owners add a second air conditioning unit (there is only one to cool a two story home of approximately 3000 sq feet) and/or consider installing closed cell spray foam insulation at the underside of the roof.