In 1984, the original owners of Starbucks, led by Jerry Baldwin, purchased Peet's. During the 1980s, total sales of coffee in the US were falling, but sales of specialty coffee increased, forming 10% of the market in 1989, compared with 3% in 1983.
IAU redirects here. For other uses, see IAU (disambiguation) . The International Astronomical Union (IAU; French: Union astronomique internationale, UAI) is a collection of professional astronomers, at the PhD level and beyond, active in professional research and education in astronomy.
An RTU is a type of AHU. AHU stands for Air Handling Unit and the acronym RTU means Rooftop Unit. The Roof Top Unit is an outdoor AHU. As RTUs are mounted on the roof, there is no concern about creating extra space indoors for it as would be the case for the other types of AHU.