Walk-In Wine Cellars By Vintec
If you can afford over 4000 bottles of wine, chances are you can afford a Vintec Espace walk-in wine cellar. They start at 990 bottles ($11,900) and go up to 4140 bottles ($28,800). Sometimes (a lot lately) I feel so poor.
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gTkkrF comment6 ,
This is the best so far I know and I am very pleased with that.
Mine was done by the Blue Grouse folks, and it is outstanding. Gigantic home wine cellars are a booming market, still.