It worked!! I left the aircon set to 26.5 today and when I got home it was 26.5 inside!!! YaY! My air con does work! lol (I knew it did heheh)
One of the corners blew out from one of the bricks, so I've now put some more bricks down, but it's all still hanging nicely from the gutters.
My brother also came around today to discuss idea's for the roof so he is going to go draw something up and try to get a rough idea on costs