. Hardware merchandising (January-March 1908) . Basement Plan. perature on which most rules for esti-mating water radiation .are based. Steam, on the other hand, does notform until the water in the boiler hasreached the boiling point, and being somuch hotter than the water in a hot water system, steam ladiation is muchmore efficient than hot water radiation. Advantages of Steam. The advantages of steam may bebriefly summed up as follows; First, itcirculates much more rapidly than hotwater and can be adapted for all classesof buildings from the largest to thesmallest—second, it requires less pi
. Hardware merchandising (January-March 1908) . Basement Plan. perature on which most rules for esti-mating water radiation .are based. Steam, on the other hand, does notform until the water in the boiler hasreached the boiling point, and being somuch hotter than the water in a hot water system, steam ladiation is muchmore efficient than hot water radiation. Advantages of Steam. The advantages of steam may bebriefly summed up as follows; First, itcirculates much more rapidly than hotwater and can be adapted for all classesof buildings from the largest to thesmallest—second, it requires less piping,less radiation, less labor for installationand is. therefore, cheaper than hotwater heat. But, although steam is so universally. First Floor Plan. possible and considerably cheaper thanhot water, it does not necessarily followthat it is the ideal heat for all are buildings which can be heatedhotter and more economically withwarm air than with any other system,in some hot water is the preferable andlogical heat and then there are a verylarge class of buildings in which it isbetter to use steam. Take this bank building as an ex-ample. The first floor will be used con-tinually with the exception of Sundaysand holidays, but the second floor is tobe used as a lodge room and nn heat is required there more than perhaps twoor three times in a week, and thenonly during the evening. Hot Water Not Satisfactory seems clear that hot water wouldnot be satisfactory here, for, on accountof the by-passes in the hot waterradiator valves, so arranged to avoiddanger from freezing, the upper partof the building would be moderatelyheated just as long as the heating plantwas in operation. Steam, however, canbe
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