How On Earth Do They Cool The Sistine Chapel?

The Sistine Chapel has been called an artistic masterpiece, with nearly 6 million people passing through its doors each year. One of its biggest challenges is keeping the holy confines cool and humidity levels low.  Carrier, the company credited with inventing the modern central air conditioner, was called in by the Vatican to architect a long-term cooling & heating solution that would preserve, not destroy, some of its iconic treasures including paintings by the legendary Michelangelo.

The powerful HVAC system remains nearly invisible to the daily 20.000 visitors, a massive accomplishment when considering the challenges involved. Watch the full story below.