‘Green’ home allows Houston-area couple to slash their bills & turn off AC – MyFox Houston

'Green' home allows Houston-area couple to slash their bills & turn off AC
MyFox Houston
The open design, the house has almost no walls, keeps it airy. East and north windows bring in natural light, and the concrete floor absorbs heat. Large vents that open and close on the second floor act as the home's air conditioning and let hot air …