Thermal apparatus for storing, transforming, producing energy and releasing heat and/or cold on demand, namely, solar thermal installations in the nature of solar thermal modulers, apparatus for the exchange of ammonia and reactive chemicals for use in the production of steam and condensation, for use in heating and for use in refrigeration; apparatus for heating, ventilating, refrigerating, namely, heat generators, ventilating, and refrigerating chambers using ammonia and reactive chemicals;...