- Item
- 1949-01-10
Part of Richards Studio Photographs
View of Equitable's heating system, four turbo-vacuum compressors, output a total of 540 tons of refrigeration that has the capacity to provide heat and cooling for the entire building. This system may be one of the most startling features of the building; the electrically powered heat pumps function through reverse cycle system (Architect & Engineer, 4/49, p. 8-13).
Commercial facilities--Oregon--Portland; Office buildings--Oregon--Portland; Architecture--Oregon--Portland; Architects; Belluschi, Pietro; Equitable Building (Portland, Or.); Commonwealth Building (Portland, Or.);