Close the blinds on a hot day if the sun is shining in. Dress lightly instead of turning up the air conditioning. Or use a fan.

In their view, apart from obscuring views out, such blinds make naturally-ventilated Spaces feel like parts of air-conditioned buildings.

The louver Windows may be closed if necessary to allow air conditioning, but in practice, air conditioning is rarely required and the breezes move through the house at all times.