For my bed, I put the chillow(water pillow) in the cold place at winter for the water inside of pillow to cool.Then towards spring or summer, if there's no longer any cold or even ... moreFor my bed, I put the chillow(water pillow) in the cold place at winter for the water inside of pillow to cool.Then towards spring or summer, if there's no longer any cold or even a cool place in my house to put the chillow to those seasons, that the chillow won't get any cooler from any of these places (in the house), then how will I get the chillow to be quite cold or at least cool - during at spring or summertime?