A heating system according to an embodiment of the present disclosure includes a water heating apparatus that supplies heating water for indoor heating, a hot water heating apparatus that heats hot water using the heating water, and a controller that controls a heating operation by controlling a flow rate of at least one of the heating water supply flow path and the hot water heating flow path according to an operation mode, wherein, when operating in a heating and hot water mode, the controller opens both the heating water supply flow path and the hot water heating flow path to control both indoor heating and hot water heating to be performed and adjusts flow rates at which the water is supplied to the heating water supply flow path and the hot water heating flow path according to control priority of an indoor heating operation and a hot water heating operation.

A heating system of a building includes: a solar heater configured to receive sunlight and to at least one of absorb heat into a refrigerant and augment heat absorbed into the refrigerant; a compressor configured to compress the refrigerant that vaporized via absorption of heat; a first heat exchanger configured to transfer heat from the refrigerant to water; an expansion valve configured to reduce at least one of a temperature and a pressure of the refrigerant after the transfer of heat from the refrigerant to water; a second heat exchanger configured to transfer heat from water output from the first heat exchanger to air passing the second heat exchanger before flowing into the building; a pump configured to pump the water from the solar heater to the second heat exchanger; and a blower configured to blow air past the second heat exchanger and into the building.

A hydronic distribution system obtains, in real time, valve operating information from one or more valves arranged in a network, executes a speed determination algorithm which processes the valve operating information to determine a desired speed for one or more pumps to maintain a desired amount of process fluid flow of a process fluid to plural coils, and sets a speed of the one or more pumps, based on the desired speed for the one or more pumps that is determined.

A heat pump and a control method are provided. The heat pump includes a compressor, a heat exchanger configured to receive a refrigerant from the compressor, a heat exchange pipe provided adjacent to the heat exchanger, wherein water exchanging heat with the refrigerant of the heat exchanger flows through the heat exchange pipe, a storage tank configured to store water supplied through an outlet of the heat exchange pipe and supply the stored water to a plurality of air temperature control devices, a mixing valve connected to at least one air temperature control device of the plurality of air temperature control devices and configured to mix water supplied from the storage tank with water discharged from the at least one air temperature control device and supply the mixed water to the at least one air temperature control device, and a circulation pump configured to pump the water stored in the storage tank and transfer the pumped water to the heat exchanger, wherein a part of the plurality of air temperature control devices includes a floor heating device, wherein a remaining part of the plurality of air temperature control devices includes a radiating device, and wherein the mixing valve is connected to the floor heating device.

To reduce remaining air bubbles, a space and water heating apparatus includes external and internal circulation channels, including a shared portion, to respectively circulate a heating medium through space heating equipment and a water-heating heat exchanger, a discharger that discharges air bubbles, and a circulation switcher (three-way valve) that switches among a space heating operation mode, a water heating operation mode, and a simultaneous operation mode to respectively circulate the heating medium along the external circulation channel, the internal circulation channel, and both the external and internal circulation channels. Feeding the heating medium is followed by a test operation including external- and internal-channel discharge processes to respectively discharge air bubbles from the external and internal circulation channels by circulating the heating medium. In the internal-channel discharge process, the water heating or simultaneous operation mode is switched to the space heating operation mode during operation of a circulation pump.

A system for heating an indoor environment comprising: a primary heat source for heating a heat transfer fluid; at least one remotely actuatable valve for stepped or continuous control of the flow rate of a heat transfer fluid through a return pipe outlet of a heat emitter; a pipe temperature sensor for measuring the temperature of a return pipe outlet of a heat emitter; an optional room temperature sensor for measuring the ambient temperature of an indoor environment; an optional user interface for receiving instructions from a user including at least one target ambient temperature; an electronic controller configured to receive temperature measurement information from each of the pipe temperature sensors and (optionally) temperature measurement information from each of the room temperature sensors, and further configured to provide control instructions to each of the remotely actuatable valves relating to flow rate control; wherein the electronic controller comprises a processor configured to determine the control instructions based at least in part on the temperature measurement information.

A valve arrangement for controlling fluid flow, comprising: a valve body having a valve inlet and a valve outlet a control valve part comprising a seat and closing member movable relative to the seat for enabling a variable cross section of a passage between the valve inlet and the valve outlet to be changed; a restriction element adjustable between different positions along or around a first axis wherein the different positions restrict movement of the closing member by respective amounts; and an adjustment member rotatably attached to the valve body wherein the adjustment member is rotatable around a second axis different from the first axis and wherein the adjustment member is configured to transmit rotational movement of the adjustment member to the restriction element such that the restriction element moves between the positions along or around the first axis when the adjustment member is rotated.

A method is provided for the controlled routing of hydronic flow within a climate control system. The method includes determining a condition type request for a plurality of area zones corresponding to a particular thermal zone. The method further includes determining a supply temperature type associated with at least a supply line of a primary supply loop and a supply line of a secondary supply loop. The supply temperature type is indicative of a thermal transport fluid temperature within the respective supply line. The method further includes providing an actuation signal set to a valve assembly. The actuation signal set is configured to describe a position for each value of the valve assembly and the position for each valve is based on the conditioning type request and the determined supply temperature types.

Various embodiments include a control valve comprising: a valve body having a fluid inlet, a fluid outlet, and an inner cavity between them; a flow rate presetting assembly; and an indicator. The rate setting assembly includes: an adjusting rod having a first end projecting from the body and a second end extending into the cavity, and rotating around an axis; a control component disposed at a bottom side of the body and connected to the first end to rotate the adjusting rod; and an adjusting component disposed in the inner cavity connected to the adjusting rod, rotating between a first position and a second position under the action of the adjusting rod to set a maximum degree of opening of the control valve. The deviation of the indicating part relative to a reference position indicates a maximum flow rate corresponding to a position of the adjusting component.

A hydronic system includes a partition, a first conduit embedded in a first side of the partition, a second conduit embedded in a second side of the partition, a first sheet of finishing material covering the first conduit, a second sheet of finishing material covering the second conduit, and at least one valve and at least one pump. The at least one valve and at least one pump are configured to control a flow of a fluid inside the first conduit and the second conduit. When the hydronic system is operating in an isolating mode, the fluid flows in a first closed loop through the first conduit and the fluid flows in a second closed loop through the second conduit. When the hydronic system is operating in a heat exchange mode, the fluid flows between the first conduit and the second conduit in a third closed loop.