Unless otherwise expressly stated, whenever used in this section and in sections 25-24 and 25-25, the following words shall have the meanings given to them by this section:
Air conditioning. The cooling or dehumidification, or both, of space for human occupancy.
Air conditioning system or air conditioning installation. One or more air conditioning units, the water for which passes through a common meter, whether or not the units are owned by the property owner, the tenant or a combination of both. It is intended that separate submetering for any one property owner or tenant occupying different space in the same building could create separate systems; it is not intended that submetering of individual units serving the same space or adjacent space under one owner or tenant would create separate systems.
Installed capacity. The total number of tons of refrigeration installed on one air conditioning system.
Season. The period from May 1 to September 30 in the same calendar year.
Ton of refrigeration. The heat required to melt ice at the rate of one ton in twenty-four hours. One compressor horsepower shall be considered equivalent to one ton of refrigeration.
Water conserving devices. A cooling tower, spray pond, evaporative condenser or other equipment by which water is cooled and recirculated, thereby limiting the use of water from the mains to the amount lost through evaporation.
Water regulating device. A regulating valve or other device, the purpose of which is to limit the maximum use of water to a predetermined rate. (1961 Supp., § 21.35.)