How does an air-to-air heat pump produce heat?

A 40 foot high window wall is on the exterior of a concrete building inChicago. What is an appropriate extreme temperature range?

Air-conditioning units come in sizes of whole and half tons. A 1-ton airconditioningunit will cool a typical 1,100 sq ft house in the southern part ofthe United States. What size unit would be needed to cool a 2,973 sq ft housein the southern part of the United States? (Round up to the next higher wholeor half ton.)

Explain the HVAC system with the most suitable energy medium for usage in Architectural constraints of Commercial buildings. Illustrate with your own mathematical example of Temperature scale.