Absorption refrigerating system
Absorption refrigeration apparatus and process for its operation
Absorption refrigeration system utilizing low temperature heat s
Adsorption apparatus test as an electro-heating storage
Air conditioning system
Air cooled ice rink construction
Apparatus and method for harvesting atmospheric moisture
Apparatus for making and maintaining an ice surface
Apparatus for making and maintaining an ice surface
Apparatus for retaining cooling pipes for an ice rink
Artificial snowfall system
Autonomous water source