The present disclosure provides a solar energy system. The solar energy system comprises a solar collector for providing energy generated from incident solar radiation. The system comprises a first heat exchange system comprising an ejector that is arranged to operate using at least a portion of the energy provided by the solar energy collector. Further, the system comprises a second heat exchange system arranged to operate using energy from an energy source other than a source of solar source. The solar energy system is arranged for direct or indirect transfer of thermal energy between the first heat exchange system and a region and between the second heat exchange system and the region. Further, the solar energy system is arranged for direct or indirect transfer of thermal energy from the second heat exchange system for use by at least one of: the first heat exchange system and a system for heating water.

A solar thermal absorber element (100) includes a cover glass (110) and a highly selective vacuum coated roll-bond absorber (120) including heat transport tubes (126). The element further including a thermoplastic sealing (130) configured to attach the cover glass and the roll-bond absorber to each other so that there is a distance (h) between the cover glass and the roll-bond absorber, and a sealed space (134), which is formed by the cover glass, the roll-bond absorber, and the thermoplastic sealing and which is filled up with a low thermal conductive gas (136).

An air conditioning system is provided and including a solar heat generator configured for collecting solar radiation and for heating fluid by the solar radiation and a fluid container coupled to the solar heat generator and being configured to maintain the heated fluid. The system further includes a heat exchanger disposed inside the fluid container and being configured for transferring heat from the heated fluid to refrigerant inside the heat exchanger, the heat exchanger is configured to increase pressure and temperature of the refrigerant. The system further includes a condenser, an expansion member and an evaporator configured to form together with the heat exchanger an air-conditioning cycle.

A alternative energy system for a car is presented. The system has solar panel, the solar panel for harnessing the sun's energy. The solar panel utilizes the solar conversion system to convert and direct the sun's energy into electricity. A car has a solar panel attached to the top of the car and the solar panel supplies energy to the temperature control center of the car.

Thermal energy systems for managing, distribution and recovery of thermal energy. A single-pipe loop circulating a two-phase refrigerant is provided. The single-pipe loop is spread through the entire system and interconnects a plurality of local heat exchange stations, each having different thermal energy loads. A central circulation mechanism (CCM) is also provided for circulating the refrigerant for distribution of thermal energy within the system.

An electronic paper display is used for an ice-lined cold storage device to display data from the device's data system and/or from an external network.

Disclosed is a portable heating/cooling device comprising one or more heating elements for transferring heat to an object, one or more cooling elements for cooling an object; wherein said heating or cooling elements are adapted for selectively providing either heating or cooling based on temperature maintenance requirements, an integrated control unit for regulating the temperature, one or more temperature sensors that provide real-time feedback to the control unit, and a power source for supplying energy to the heating/cooling elements.

A subway hybrid-energy multifunctional-end-integrated heat pump system includes energy and user ends and hot water tank. A first energy end includes a capillary-tube front-end heat exchanger and a subway capillary heat pump unit. A second energy end includes a solar panel. A third energy end includes an air-cooled heat pump unit. The user end includes air conditioner, hot water supply, underfloor heating, and radiator heating ends. The first, second and third energy ends connect to the hot water tank. A water outlet is connected to the air conditioner, hot water supply, underfloor heating, and radiator heating ends. Water outlets of the air conditioner, underfloor heating, and radiator heating ends are respectively connected to the first, second and third energy end through a return pipe.

A heating-cooling device is disclosed which includes a container having a continuous containment wall that defines an inner containment region. The containment wall is formed by a first, or outer layer, and a second, or inner layer facing towards the inner containment region and is separated from the first layer to form a gap region wherein vacuum is created. The device further has an electric generator an electric charge accumulator external to the container a thermoelectric device positioned inside the gap in contact with the inner layer of the containment wall for transferring the heat relative to the inner containment region and a control unit positioned external to the container and connected to the electric generator, to the charge accumulator and the thermoelectric device for handling the passage of current through the thermoelectric device so as to determine the cooling or heating of the inner containment region.

A solar drink holder system includes a hand held thermoelectric temperature controlled beverage receptacle configured to receive and hold a cylindrical beverage container. A Peltier thermoelectric module is coupled to the hand held thermoelectric temperature controlled beverage receptacle and is configured to generate and regulate internal temperature of a beverage held within the cylindrical beverage container. At least one solar panel is hingeably attached to the hand held thermoelectric temperature controlled beverage receptacle. A device body is coupled to the hand held thermoelectric temperature controlled beverage receptacle including a rechargeable power source; a control panel, at least one USB port, at least one digital display, at least one audio speaker, a short range wireless communication protocol, a thermal indicator, said solar drink holder which is configured to provide a solar powered thermally controlled beverage receptacle having electronic device charging and wireless sound transmitting capability.