*'''External Temperature Above 20°C:''' Priority is placed on maximizing evaporative cooling benefits. Rainwater depth on the roof is maximized and rainwater is not drained to the basement cistern. If the basement cistern is empty, municipal water is used in the toilets. | *'''External Temperature Above 20°C:''' Priority is placed on maximizing evaporative cooling benefits. Rainwater depth on the roof is maximized and rainwater is not drained to the basement cistern. If the basement cistern is empty, municipal water is used in the toilets. |