A heating and cooling system for use with hot, cold and source fluid circuits. A conduit module couples a heating/cooling module with the fluid circuits. The conduit module includes four three-way valves to communicated fluid from and to the fluid circuits to first and second heat exchangers in the heating/cooling module. The first heat exchanger is used to heat a fluid flow and the second one chills a second fluid flow. The conduit module simultaneously supplies a hot fluid flow to a hot fluid circuit and a cold fluid to a cold fluid circuit. The source fluid is routed by the conduit module. A method of circulating fluid is also disclosed.

A heating and cooling system for use with hot, cold and source fluid circuits. A conduit module couples a heating/cooling module with the fluid circuits. The conduit module includes four three-way valves to communicated fluid from and to the fluid circuits to first and second heat exchangers in the heating/cooling module. The first heat exchanger is used to heat a fluid flow and the second one chills a second fluid flow. The conduit module simultaneously supplies a hot fluid flow to a hot fluid circuit and a cold fluid to a cold fluid circuit. The source fluid is routed by the conduit module. A method of circulating fluid is also disclosed.

The present disclosure relates to particle-based thermal energy storage (TES) systems employed for the heating and cooling applications for residential and/or commercial buildings. Particle-based TES systems may store thermal energy in the particles during off-peak times (i.e., when electricity demand and/or costs are relatively low) and remove the stored thermal energy for heating or cooling applications for buildings during peak times (i.e., when electricity demand and/or costs are relatively high).

A heating device for heating a liquid includes at least one infrared heat source, such as an infrared lamp, accommodated in a corresponding casing of a heat conducting material. The heating device furthermore includes a conduit of a heat conducting material, where the conduit has an inlet and an outlet and where liquid to be heated in use flows through the conduit from the inlet towards the outlet. The conduit is wound spirally around the casing of the infrared heat source to facilitate, in use, the emission of infrared radiation by the heat source through the casing and the conduit into the liquid flowing through the conduit so as to heat the liquid.

An air conditioning system has: a heat pump unit that heats a room with a vapor compression refrigerant circuit; a separate heat source unit that heats a room with a heat source separate from the heat pump unit; and a controller that controls an operation of the heat pump unit and the separate heat source unit. As a refrigerant, a flammable refrigerant is sealed in the refrigerant circuit. When the flammable refrigerant is leaking, the controller heats the room with the separate heat source unit in both cases where a heat pump heating condition is satisfied and where a separate heat source heating condition is satisfied.

A method of operating a heating or cooling system, comprising (1) providing a heating or cooling apparatus comprising first and second heat exchangers, (2) providing a conduit module modularly coupled to the heating or cooling apparatus and adapted to be coupled to a plurality of fluid circuits for heating or cooling loads, and (3) operating a control system configured to operate the conduit module in a heating or cooling mode. The conduit module is positioned between the heating or cooling apparatus and the plurality of fluid circuits. The conduit module comprises first, second, and third supply conduits and first, second, and third return conduits, to convey first, second, and source fluids to and from respective first, second, and source fluid circuits. The conduit module comprises first, second, third, and fourth three-way valves to selectively regulate flow of the first, second, and source fluids.

A method of operating a heating or cooling system, comprising (1) providing a heating or cooling apparatus comprising first and second heat exchangers, (2) providing a conduit module modularly coupled to the heating or cooling apparatus and adapted to be coupled to a plurality of fluid circuits for heating or cooling loads, and (3) operating a control system configured to operate the conduit module in a heating or cooling mode. The conduit module is positioned between the heating or cooling apparatus and the plurality of fluid circuits. The conduit module comprises first, second, and third supply conduits and first, second, and third return conduits, to convey first, second, and source fluids to and from respective first, second, and source fluid circuits. The conduit module comprises first, second, third, and fourth three-way valves to selectively regulate flow of the first, second, and source fluids.

A heating system includes a refrigerant boiler including a heat source for heating a refrigerant from a liquid state to a vapor state, a boiler outlet and a boiler inlet; a heat exchanger in fluid communication with the refrigerant boiler, the heat exchanger including a upper manifold having a heat exchanger inlet coupled to the boiler outlet, a lower manifold having a heat exchanger outlet coupled to the boiler inlet and a plurality of tubes connecting the upper manifold and the lower manifold, wherein refrigerant passes from the upper manifold to the lower manifold via gravity; and a fan moving air over the heat exchanger to define supply air for a space to be heated.

A heating system includes a refrigerant boiler including a heat source for heating a refrigerant from a liquid state to a vapor state, a boiler outlet and a boiler inlet; a heat exchanger in fluid communication with the refrigerant boiler, the heat exchanger including a upper manifold having a heat exchanger inlet coupled to the boiler outlet, a lower manifold having a heat exchanger outlet coupled to the boiler inlet and a plurality of tubes connecting the upper manifold and the lower manifold, wherein refrigerant passes from the upper manifold to the lower manifold via gravity; and a fan moving air over the heat exchanger to define supply air for a space to be heated.

An exemplary charging energy recapture assembly includes a fluid loop outside a traction battery of an electrified vehicle. The fluid loop communicates a charger fluid through a charger to the electrified vehicle and returns the charger fluid to a charging station without combining the charger fluid with a vehicle fluid. An exemplary charging energy recapture method includes circulating a charger fluid through a charger between a charging station and an electrified vehicle without the charger fluid commingling with a vehicle fluid or communicating through a traction battery of the electrified vehicle.