Distributed heating and cooling network

A distributed heating and cooling network for installation in a building having a plurality of rooms, the network comprising:

• a plurality of individual heat pumps and a plurality of individual cold emitters, each heat pump and each cold emitter being directly and independently coupled to a common liquid loop of the network, and wherein:
• during cooling operations, at least one of the plurality of individual cold emitters is coupled to the common liquid loop and is configured to extract heat from the room in which it is located and to transfer that heat to the common liquid loop;
• during heating operations, at least one of the plurality of individual heat pumps is coupled to the common liquid loop and is configured to extract heat from the common liquid loop;
• and
• wherein during cooling operations, at least one of the plurality of heat pumps is also coupled to the common liquid loop and is configured to extract heat from the common liquid loop.