31. They were heated from a central heating plant . 32. The company then established franchises for heating plants in cities and towns across the United States. 33. In the basement is a smaller meeting room, more classrooms, and the heating plant for the building. 34. A single story heating plant was added in 1915, with a fuel room to follow in 1937. 35. Thus, the water discharged from Sudurnes Regional Heating Plant became the Blue Lagoon, a sparkling aqua spa. 36. The building had its own heating plant . 37. One result of this has been the growth of electric boilers being installed in district heating plants . 38. Chechen fighters earlier sabotaged a heating plant , three water pumping stations and an oil pipeline, setting them ablaze. 39. In 1934, WHA studios were relocated from Sterling Hall to Radio Hall, a 1880s vintage heating plant building. 40. Solar collectors are the second, after the biomass heating plants , source of " green heat " in Poland.