Ramayana
वर्षघ्नमेकं श्वभ्रं तु हिमघ्नमपरं तथा । ग्रीष्मघ्नं तु सुखस्पर्शमेकं कुर्वन्तु शिल्पिनः ॥ 7-54-9 ॥
Let the artisans make one pit that wards off the rains, another likewise that wards off the cold, and one that is pleasant to the touch and wards off the summer heat.
english translation