System for air conditioning the interior of a building that guides exhaust air into a fluid reservoir via a heat exchanger

A system for air conditioning interior spaces of a building, which are connected via at least one exhaust air duct,

• wherein at least one interior space is provided with an air conditioner, which has an inlet line of outdoor air, which supplies inlet air or circulating air to the at least one interior space, and which is connected to a first fluid circuit of a heat pump,
• wherein the exhaust air duct and a second fluid circuit of the heat pump are connected to an energy store arranged outside the building,
• wherein the energy store is connected to a first heat exchanger in a liquid reservoir for energy transfer and for energy storage,
• wherein the liquid reservoir is connected via the first heat exchanger to the second fluid circuit of the heat pump, the exhaust air being guided into the liquid reservoir via a second heat exchanger.