The present invention relates to a thermal bridge break air-conditioner tank, comprising a framework and a wall panel, wherein the framework is assembled from three-ways connectors, rims, and a middle beam assembly, the three-ways connectors and the rims being plastically integrally formed structures; a thermal bridge break structure made of a PVC material is connected to outer sides of the three-ways connectors and the rims; the framework is formed as a cubic structure; the wall panel is assembled from a panel and a plurality of external sheet metal parts, and the wall panel is disposed in the framework by shape-fitting. The air-conditioner tank according to the present invention has a good thermal bridge break performance, and meanwhile simplifies the assembling and connecting between components.