"Modern Marvels" examines how air conditioning has changed life in Arizona.

PHOENIX - For an upcoming episode of "Modern Marvels" for the cable TV's History Channel, Goettl Air Conditioning Vice President John Ryan was interviewed and shared his thoughts on how technology and air conditioning has transformed the metropolitan area of Arizona known as the Valley of the Sun.

"We are excited about the national exposure this program will provide not only for the Valley of the Sun, but for Goettl Air Conditioning, too," said Ryan.

The broadcast is tentatively scheduled for Feb. 23.