A storage system for a house entrance, the storage system comprising: an entrance refrigerator comprising: a cabinet including: a front opening; a side opening adjacent to the front opening; and an interior space, wherein the cabinet is configured to be embedded in an outer wall partitioning an indoor area and an outdoor area to receive an article into the interior space from the outdoor area through the front opening and to access an article in the interior space from the indoor area through the side opening; an outer door configured to selectively open and close the front opening and having an outer surface exposed to the outdoor area; an inner door configured to selectively open and close the side opening and having an outer surface exposed to the indoor area; and a cold air supply assembly configured to supply cold air to the interior space, a first storage positioned above the entrance refrigerator, the first storage having a first storage compartment and being configured to receive an article into the first storage compartment from the outdoor area; a second storage positioned below the entrance refrigerator, the second storage having a second storage compartment and being configured to receive an article into the second storage compartment from the outdoor area; and a supply duct extending between the cabinet and the second storage and configured to supply cold air from the cabinet to the second storage; and a supply duct damper rotatably mounted in the supply duct and configured to selectively open and close the supply duct. an entrance refrigerator comprising: a cabinet including: a front opening; a side opening adjacent to the front opening; and an interior space, wherein the cabinet is configured to be embedded in an outer wall partitioning an indoor area and an outdoor area to receive an article into the interior space from the outdoor area through the front opening and to access an article in the interior space from the indoor area through the side opening; an outer door configured to selectively open and close the front opening and having an outer surface exposed to the outdoor area; an inner door configured to selectively open and close the side opening and having an outer surface exposed to the indoor area; and a cold air supply assembly configured to supply cold air to the interior space, a cabinet including: a front opening; a side opening adjacent to the front opening; and an interior space, a front opening; a side opening adjacent to the front opening; and an interior space, wherein the cabinet is configured to be embedded in an outer wall partitioning an indoor area and an outdoor area to receive an article into the interior space from the outdoor area through the front opening and to access an article in the interior space from the indoor area through the side opening; an outer door configured to selectively open and close the front opening and having an outer surface exposed to the outdoor area; an inner door configured to selectively open and close the side opening and having an outer surface exposed to the indoor area; and a cold air supply assembly configured to supply cold air to the interior space, a first storage positioned above the entrance refrigerator, the first storage having a first storage compartment and being configured to receive an article into the first storage compartment from the outdoor area; a second storage positioned below the entrance refrigerator, the second storage having a second storage compartment and being configured to receive an article into the second storage compartment from the outdoor area; and a supply duct extending between the cabinet and the second storage and configured to supply cold air from the cabinet to the second storage; and a supply duct damper rotatably mounted in the supply duct and configured to selectively open and close the supply duct.