High Ceilings Happy, Far
On a variety of measures, ceiling height–induced relational or item-specific processing was indicated by people’s reliance on integrated and abstract versus discrete and concrete ideation. …
Ceiling height ranked among the top three architectural details that influenced consumers’ psychological well-being.
So the higher your ceiling, the more you are happy and think in far mode.
Warmer conditions, compared with colder conditions, induced (a) greater social proximity, (b) use of more concrete language, and (c) a more relational focus.
Added 9May: Yet more support:
Red enhances performance on a detail-oriented task, whereas blue enhances performance on a creative task.