Roof Cooling: An Aid to Textile Air-Conditioning

摘要

Two mills installed roof cooling two years ago and a few more during last summer. The system is working satisfactorily in all the mills. All the theoretically anticipated advantages have been born out in their actual experience. The temperature of the roof-top was found to be as high as 140F in summer afternoons because of radiation from the sun. Roof cooling lowers this temperature to about 90F. Roof cooling was installed in several mills, with substantial benefits. Ambient conditions improved in all the mills. The same degree of improvement could have been achieved if a humidification plant of adequate capacity were added to the existing one, but the plant could cost ten times as much as a roof cooling system and its running cost also would be about ten times as that of roof cooling.