In this Catalog Data Section of The Guide 174 manufacturers present a detailed. de scription of the most modern types of heating, ventilating and air conditioning equipment and materials---244 pages of valuable data, profusely illustrated Alphabetical arrangement of advertisers--on pages 795-800--permits ready reference to the products of a specific manufacturer.

HEATING VENTILATING AIR CONDITIONING GUIDE 1940 HEATERS, Fuel Oil Airtemp Div., Chrysler Corp., 812813 American District Steam Co., 1000, 1014 Bell and Gossett Co., 941 Delco Appliance Div., General Motors Sales Corp., 814-815 General Electric Company, 816-817, 892-893 Kewanee Boiler Corp., 974-977 Meyer Furnace Co., 823 Todd Combustion Equipment, Inc., 994 Williams Oil-O-Matic Heating Corp., 820 American Radiator & "Standard Sanitary Corp., 962-965 Bell & Gossett Co.. 941 Brownell Company, 985 Burnham Boiler Corp., 967 Crane Company, 968-969 General Electric Company, 816- 817, 892-893 HEATERS, Tank American District Steam Co., 1000, 1014 American Radiator & Standard Sanitary Corp., 962-965 Bell & Gossett Co.. 941 HEATING SYSTEMS.

HEATINC VENTILATING AIR CONDITIONING CUIDE 1940 VALVES, Stop and Check {See Aneraostat Coip. of American, 895 CarbondateDiv..

HEATINC VENTILATING AIR CONDITIONING GUIDE 1940 DEAN, Carl H.

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.