I spent 60 dollars on six of those car windscreen reflectors. Nine dollars on a 8 ft tube from Bunnings and a further six dollars on two springs to fit the ends of the rod. I put it over my sliding glass balcony window to keep the heat out.

I take it off when I wake up.

Does it work?


Well my other room with the same size sliding double door window---when I wake up is around three degrees warmer,though do not have a temp gauge to measure it accurately.

One of my better ideas.