In Florida, greenhouse temperatures can easily exceed 100°F during the summer if they are not equipped with active cooling systems. Such high temperatures reduce crop quality and worker productivity. Evaporative cooling is the most common method for reducing the temperature inside a greenhouse, but it has limitations in our hot, humid climate. Air conditioning or refrigeration systems can be used, but their installation and operating costs are usually prohibitive. This 6-page fact sheet is a minor revision written by J. A. Watson, C. Gómez, R. A. Bucklin, J. D. Leary, and D. B. McConnell, and published by the Department of Agricultural and Biological Engineering, September 2019.
CIR1135/AE069: Fan and Pad Greenhouse Evaporative Cooling Systems (ufl.edu)
The structure and configuration of Fenland House Hospital are described, the principal parameters tabulated and the heating and ventilation design shown. The results of the monitoring of the building are given, including the energy consumption breakdown and running costs for the year ending 28 February 1983. The performance of the heat recovery, ventilation, hot water supply and floorwarming are discussed, and recommendations made for installation and control in future hospital buildings. Comparative figures from a DHSS survey of geriatric hospitals are also presented and they indicate that the energy consumption and energy cost for Fenland House are lower than the national average.
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