I love these curtains.  I needed large (the 104" panels), white curtains for the bedroom, and these were perfect.  Very "dreamy" and hang very well, look great with our light gray wall color and white comforter set.  Not sure how thermogenic these are, esp since our windows face east, but the room hasn't been overly hot.  Just be aware that these are not light-blocking...I can always tell when the sun is rising!  But I like a light room.  Can't beat the price on these, either!!!