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L. J. Wing Mfg. Co. Air Conditioning unit Heaters WING eS'sn N- 4 FIXED DISCHARGE UNIT HEATERS The first light-weight, ceiling-suspended, unit heater. Eight different designs of outlets meet the requirements of every type, size and height of building or oc cupancy. Located near ceiling or roof, the accumulation of hot air in the upper spaces, with the accompanying costly waste of heat, is prevented. They project the air, comfortably warmed, downward to the working area. Bulletin HR-5. DOOR HEATERS GARAGE HEATERS WING developed this vertical conedischarge heater in 1921 and today it is still applicable for heating the inrush of cold air at large doorways and for garage heating. Often cuts heating costs in half. Bulletin HR-5. FOR LOW CEILINGS Type "LC building, coverage, In this type of WING Unit Heater the position of fan and motor are re versed to meet con ditions of ceiling or roof height, form and shape of :. Bulletin HR-5. WING UTILITY UNIT HEATERS A lightweight suspended unit heater for delivering heated air in one general direction. Has the same powerful fan and rugged heating element as WING Featherweight Unit Heat ers. This is the latest re finement of the original horizontal light weight heater which was developed by WING. Bulletin U-6. Design No. 6 Design No. 8 FEATHERFIN HEATER SECTIONS For heating or cooling air for any purpose by steam, hot or cold water or refrigerant. The heating element is extremely light and, for equal heat trans fer, offers little resistance to air flow. Available for any desired final air tem perature. Bulletin HS-3. VARIABLE TEMPERATURE SECTIONS Invaluable in supply ing fresh air for space heating or process work. Close control of the de livered -air temperature is obtained without danger, of freezing. Manual or automatic control. Bulletin HS-S. WING INDUSTRIAL FOG ELIMINATORS Eliminate fog, odor and fu/nes in dyeing, bleaching and finish ing plants, creamer ies, pasteurizing, bot tling, canning and packing plants, chemical works, paper mills, steel pickling plants, etc. No ducts are required. Bulletin FE-1S. 1004 L. J. Wing Mfg. Co. Air Conditioning Unit Heaters Fans and Blowers WINGFOIL SAFETY VENTILATING FANS An axial flow fan that will deliver air against static pres sure, quietly and efficiently. Moves the air for ward in straight lines with minimum eddy. Capacities to 100,000 cfm. Bul letin F-9. WING FEATHERFIN PROCESS HEATING UNITS For man ufactur ing processes such as drying, aging, etc., re quiring the recirculatiop of the heated air. Motor or turbine located outside air cur rent. Bulletin P-2. WINGFOIL DUCT FANS For economically moving air wherever ducts are used. It combines the efficient WINGFOIL AXIAL FLOW Fan with a housing which places the motor entirely outside the air duct. Motor and drive remain cool and clean and are easily accessible. The powerful WINGFOIL Fan delivers high air volume with low power consumption against any pressures for which duct systems should be designed. V-belt or direct drive. Light, compact and easy to install. Bulletin F-9. WING SYSTEM OF CONTROLLED COMBUSTION For low pressure heating boilers and small power, boilers. Increases capacity and permits use' of lowest cost fuel. Includes Type EM Blower equipped with fully enclosed dustproof motor with speed regulating rheostat and automatic control. Eliminates necessity of frequent firing, allowing intervals as great as 24 hours even in zero weather. Bulletin M-96. WING TURBINE-DRIVEN BLOWERS Applied to hand, stoker, oil or pulverized fuel fired boilers, increase boiler capacity, maintain constant steam pressure and permit com plete combus tion of low-cost fuels. The ex haust steam, free from oil, can be used for heating or pro cesses. Bulletin T-98. WING DRAFT INDUCERS Installed in breeching or flue, or on chimney top; provide positive, exact draft regardless of weather conditions or inade quate chimney or breeching con struction. Suit able for coal, oil, or gas-fired boil ers; industrial furnaces and kilns. Bulletin Chimney-Top Installation 1-10. Installation of Wing System of Controlled Combustion in a large school WING MOTOR-DRIVEN BLOWERS Type COM for static pres sures over 5 in. and volumes up to 35,000" cfm. Type EMD for moderate static pressures up to 5 in. Both blow Type COM ers have fully- enclosed dustproof constant speed motor and built-in adjustable control vanes. Type COM has double-staged axial flow tan; Type EMD, single stage fan. Extremely com pact; discharge can be vertical, horizontal or in clined. Bulletin SW-1. Type EMD 1005