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An apparatus for simultaneous heating and cooling includes a heating system and a cooling system, each having a plurality of heat exchangers coupled by a refrigerant circulation system, the refrigerant transfer system having refrigerant flow selection means for controlling the flow of heat-carrying

An apparatus for simultaneous heating and cooling includes a heating system and a cooling system, each having a plurality of heat exchangers coupled by a refrigerant circulation system, the refrigerant transfer system having refrigerant flow selection means for controlling the flow of heat-carrying refrigerant, whereby a refrigerant flow selection means selectively routs refrigerant flow between heating and cooling system heat exchangers selected by the flow selection means. The apparatus includes embodiments wherein the heating system heat exchangers comprise a condenser and a vessel containing water, the cooling system heat exchangers comprise an evaporator and a vessel containing water, and refrigerant flow paths are selected by a plurality of valves that select heat exchangers. The apparatus further includes an air handling system for moving air so as to be in thermal contact with selected heat exchangers, whereby air having moisture is dried.

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1. An apparatus for simultaneously heating and cooling fluids, the apparatus comprising:a refrigerant circulation means for circulating a refrigerant for heat transfer;a heating system having a first plurality of heat exchangers, each heat exchanger heating a first fluid, the heating system also hav

1. An apparatus for simultaneously heating and cooling fluids, the apparatus comprising:a refrigerant circulation means for circulating a refrigerant for heat transfer;a heating system having a first plurality of heat exchangers, each heat exchanger heating a first fluid, the heating system also having a first refrigerant transfer selection means wherein the first plurality of heat exchangers comprises an air-to-refrigerant heat exchanger for transferring heat from the refrigerant to air and a water-to-refrigerant heat exchanger for transferring heat from the refrigerant to water, the first refrigerant transfer selection means being operable to select one of the air-to-refrigerant heat exchanger and the water-to-refrigerant heat exchanger to receive the refrigerant; anda cooling system having a second plurality of heat exchangers, each heat exchanger cooling a second fluid, the cooling system also having a second refrigerant transfer selection means, wherein the second plurality of heat exchangers comprises an air-to-refrigerant heat exchanger for transferring heat from air to the refrigerant and a water-to-refrigerant heat exchanger for transferring heat from water to the refrigerant, the second refrigerant transfer selection means being operable to select one of the air-to-refrigerant heat exchanger and the water-to-refrigerant heat exchanger to receive the refrigerant;wherein the refrigerant is circulated by refrigerant circulation means to flow through the selected heat exchanger of the cooling system to absorb heat and to flow through the selected heat exchanger of the heating system to release heat. 2. The heating and cooling apparatus of claim 1, wherein the water-to-refrigerant heat exchanger of the heating system comprises a water-storage vessel containing water that is heated by the refrigerant when the first refrigerant transfer selection means selects the water-to-refrigerant heat exchanger of the heating system. 3. The heating and cooling apparatus of claim 1, wherein the water-to-refrigerant heat exchanger of the cooling system comprises a water-storage vessel containing water that is cooled by the refrigerant when the second refrigerant transfer selection means selects the water-to-refrigerant heat exchanger of the cooling system. 4. The apparatus of claim 1, further comprising an air handler for moving air cooled by the air-to-refrigerant heat exchanger of the cooling system to the air-to-refrigerant heat exchanger of the heating system, which then heats the cooled air when the first refrigerant transfer selection means selects the air-to-refrigerant heat exchanger of the heating system and the second refrigerant transfer selection means selects the air-to-refrigerant heat exchanger of the cooling system, whereby moisture is removed from the air that is moved by the air handler. 5. A method for concurrently heating and cooling materials, the method comprising:providing a heating system comprising an air-to-refrigerant heat exchanger for transferring heat from a refrigerant to air and a water-to-refrigerant heat exchanger for transferring heat from the refrigerant to water;providing a cooling system comprising an air-to-refrigerant heat exchanger for transferring heat from air to the refrigerant and a water-to-refrigerant heat exchanger for transferring heat from water to the refrigerant;circulating the refrigerant through the heating system and the cooling system;selecting one of the air-to-refrigerant heat exchanger and the water-to-refrigerant heat exchanger of the heating system to receive the circulating refrigerant; andselecting one of the air-to-refrigerant heat exchanger and the water-to-refrigerant heat exchanger of the cooling system to receive the circulating refrigerant;whereby the selected heat exchanger of the heating system transfers heat from the refrigerant to a first fluid and the selected heat exchanger of the cooling system transfers heat from a second fluid to the refrigerant. 6. The method of claim 5, wherein the water-to-refrigerant heat exchanger of the heating system is selected and the first fluid is water that is heated by the circulating refrigerant. 7. The method of claim 5, wherein the the water-to-refrigerant heat exchanger of the cooling system is selected and the second fluid is water that is cooled by the circulating refrigerant. 8. The method of claim 5, wherein the water-to-refrigerant heat exchanger of the cooling system is selected and the method further comprises flowing water from a cold-water source through the water-to-refrigerant heat exchanger of the cooling system to cool the water. 9. The method of claim 8, wherein the cold-water source comprises a cold-water fish pond. 10. The method of claim 5, wherein the water-to-refrigerant heat exchanger of the heating system is selected and the method further comprises flowing water from a warm-water source through the water-to-refrigerant heat exchanger of the heating system to heat the water. 11. The method of claim 10, wherein the warm-water source comprises a warm-water fish pond. 12. An apparatus for concurrent heating and cooling, the apparatus comprising:a refrigerant circulation means having refrigerant transfer paths for transferring circulating refrigerant;at least a first and a second path selection devices in fluid communications with the refrigerant transfer paths, the path selection devices selecting refrigerant transfer paths for refrigerant flow;a heating system in fluid communications with the refrigerant transfer paths, the heating system comprising a water-to-refrigerant heat exchanger and an air-to-refrigerant heat exchanger, the water-to-refrigerant heat exchanger adapted to heat water by transferring heat from the refrigerant to the water whenever the refrigerant flows through the water-to-refrigerant heat exchanger, the air-to-refrigerant heat exchanger adapted to heat air by transferring heat from the refrigerant to the air whenever the refrigerant flows through the air-to-refrigerant heat exchanger; anda cooling system in fluid communications with the refrigerant transfer paths, the cooling system comprising a water-to-refrigerant heat exchanger and an air-to-refrigerant heat exchanger, the water-to-refrigerant heat exchanger adapted to cool water by transferring heat from the water to the refrigerant whenever the refrigerant flows through the water-to-refrigerant heat exchanger, the air-to-refrigerant heat exchanger adapted to cool air by transferring heat from the air to the refrigerant whenever the refrigerant flows through the air-to-refrigerant heat exchanger;wherein the first path selection device selects one of the water-to-refrigerant heat exchanger and the air-to-refrigerant heat exchanger of the heating system to be in fluid communications with the refrigerant circulation system and receive the refrigerant, the second path selection device selects one of the water-to-refrigerant heat exchanger and the air-to-refrigerant heat exchanger of the cooling system to be in fluid communications with the refrigerant circulation system and receive the refrigerant, wherein heat absorbed by the refrigerant in the cooling system is conveyed by the refrigerant circulation system to the heating system, where heat is released by the refrigerant. 13. The apparatus of claim 12, wherein the water-to-refrigerant heat exchanger of the cooling system comprises a cold-water-storage vessel that contains water that is cooled whenever the second path selection device selects the water-to-refrigerant heat exchanger of the cooling system to receive the refrigerant. 14. The heating and cooling apparatus of claim 13 wherein the water-to-refrigerant heat exchanger of the heating system comprises a hot-water-storage vessel that contains water that is heated whenever the first path selection device selects the water-to-refrigerant heat exchanger of the heating system to receive the refrigerant. 15. The heating and cooling apparatus of claim 14, w herein the refrigerant circulation means comprises a compressor that causes the refrigerant to flow through the refrigerant transfer paths. 16. The heating and cooling apparatus of claim 12, further including an air handling system operable to cause air to flow from the air-to-refrigerant heat exchanger of the cooling system to the air-to-refrigerant heat exchanger of the heating system so as to dehumidify the air. 17. The heating and cooling apparatus of claim 12, wherein the first and second path selection devices comprises a first and second valves. 18. The heating and cooling apparatus of claim 17, wherein the first valve is operable to cause refrigerant to flow to the water-to-refrigerant heat exchanger or to the air-to-refrigerant heat exchanger of the heating system, and the second valve is operable to cause refrigerant to flow to the water-to-refrigerant heat exchanger or to the air-to-refrigerant heat exchanger of the cooling system. 19. The heating and cooling apparatus of claim 12, further comprising a first pump and a second pump, the first pump operable to cause water to flow through the water-to-refrigerant heat exchanger of the heating system, the second pump operable to cause water to flow through the water-to-refrigerant heat exchanger of the cooling system. 20. The heating and cooling apparatus of claim 19, wherein the first pump circulates water from a warm-water fish pond through the water-to-refrigerant heat exchanger of the heating system and the second pump circulates water from a cold-water fish pond through the water-to-refrigerant heat exchanger of the cooling system. 21. The heating and cooling apparatus of claim 12, wherein refrigerant flow to the water-to-refrigerant heat exchanger of the cooling system is selected. 22. The heating and cooling apparatus of claim 21, wherein refrigerant flow to the water-to-refrigerant heat exchanger of the heating system is selected. 23. The heating and cooling apparatus of claim 22, further including a first water circulation means for transferring water into and transferring water out of the water-to-refrigerant heat exchanger of the heating system. 24. The heating and cooling apparatus of claim 23, further including a second water circulation means for transferring water into and transferring water out of the water-to-refrigerant heat exchanger of the cooling system. 25. The heating and cooling apparatus of claim 12, wherein:the first path selection device comprises:a first switching valve for selecting refrigerant transfer from the refrigerant circulation system to the water-to-refrigerant heat exchanger or the air-to-refrigerant heat exchanger of the heating system; andfirst and second check valves, for permitting refrigerant transfer only between the refrigerant circulation system and the heat exchanger of the heating system that is selected by the first switching valve; and the second path selection device comprises:a second switching valve for selecting refrigerant transfer from the refrigerant circulation system to the water-to-refrigerant heat exchanger or the air-to-refrigerant heat exchanger of the cooling system; andthird and fourth check valves, for permitting refrigerant transfer only between the refrigerant circulation system and the heat exchanger of the cooling system that is selected by the second switching valve.