We bought a house without A/C that is 12 years old. It's a two story with the basement half way in the side of a hill. Essentially, that makes the house a three story.
We retrofitted the house with A/C - but the upstairs still doesn't get good A/c airflow - in fact, the heat doesn't work so well in the winter - so I think there might be something wrong with either the size of the ducting to the rooms or maybe the fact that there's only one air return upstairs.
Does anyone out there have any ideas on how I might be able to improve the airflow upstairs? Any way to force air into the return with a fan of some sort, or do I need to think about major work and upsize the ducting to the rooms and add more returns?
I'd appreciate any ideas.