For the average person, 55 F (13 C) is hardly an ideal temperature. But if you’re a wine maker, 55 degrees is perfect for storing wine. To keep its winemaking rooms cool, the owners of the Merryvale Winery in St. Helena, Calif., and Tassel Ridge Winery in Leighton, Iowa, installed the HIGH-R Insulated Ceiling System from HIGH-R Inc., Ames, Iowa.