San Francisco : Architect and Engineer, Inc · leaf 152
s ventila- tion and may reduce room temperatures. Be-cause of forced air operation, it is unnecessaryto install this type of furnace In a basement.It can be located anywhere in the house, asmall closet usually being adequate to containthe average sized furnace of this type. Smallforced air… … GRAVITY TYPE GAS FURNACE MAY, 1941 adequate supply of air for furnace operationis assured. Another advantage of forced air units is theutilization of filters to remove dirt, dust and
Architecture · Building
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