Which of the four glass shaped Gables and a pyramid shape in the test by installing cooling devices 1.5 liters per minute and do not install solar collector.
The four glass pyramid-shaped gable and shape to the test by installing coolers at 1.5 liters per minute and is equipped with a radiation absorber Sunday.
The fourth model using a glass pyramid shaped gable shape and testing by the installation of equipment cooling 1.5 liters per minute. And do not install solar collector.