HEATINC VENTILATING AIR CONDITIONING CUIDE 1941 Table II.

HEAflNG VENTILATING AIR CONDITIONING GUIDE 1941 Fig. 1.

HEATING VENTILATINC AIR CONDITIONING GUIDE 1941 RODMAN, R.

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 only for persons having an average surface area of 19.5 sq ft or that of the average adult American male, 5 ft 8 in. in height and weighing 150 lb, and will therefore not apply to many audiences made up largely of women or younger persons.

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 Table 2.

HEATING VENTILATING AIR CONDITIONING CUIDE 1942 MAXIMUM DEMANDS AND LOAD FACTORS In one form of district heating rates, a portion of the charge is based upon the maximum demand of the building.

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 size and flow.

HEATINC VENTILATINC AIR CONDITIONING GUIDE 1942 USE OF CENTRAL SYSTEMS Several factors must be considered in deciding on whether or not to use a central system and in deciding on the type of central system and modifications required.

|j i. ii 5; HEATING VENTILATINC AIR CONDITIONING CUIDE 1942 be remembered that encroachment on spaces that are otherwise usable can be charged against the system as an operating cost.

HEATING VENTILATINC AIR CONDITIONING GUIDE 1942 some extent for office applications where appearance is not a major factor.

HEATING VENTILATING AIR CONDITIONING COIDE 1942 entering surface of a filter may clog very rapidly.

HEATING VENTILATING AIR CONDITIONING CUIDE 1942 equal blackness is obtained.

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 Table 4.

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 NOISE TRANSMITTED THROUGH DUCTS Operation of an air distribution system results in the generation of noise which may be transmitted through the ducts to the ventilated or conditioned room.

HEATING VENTILATINC AIR CONDITIONING CUIDE 1942 In an investigation recently conducted at the University of Pittsburgh, in a cooperative research program with the Society, comparative studies were made on the bacterial content of conditioned and non-conditioned operating rooms.