Solar Power Air Conditioner: Past And Present

The need to utilize solar energy is being thoroughly appreciated by innovators, so much so, that now their inventions become almost paradoxical. What else, but paradoxical, would you call an invention like the solar power air conditioner? It is a device that cools down the heat generated by solar energy falling on earth, while itself working by absorbing this very heat energy. What surprises more, perhaps, is the fact that the idea of cooling rooms and living places with solar energy is anything but new.

The Romans’ Ancient Solar Power Air Conditioner

It evokes wonder to know that the Romans, in their acme of civilization, used a natural form of air conditioning or ventilation. They used to dig a trench just leading from their house to about 100