Unless you have an 18th century root cellar deep underground, taking advantage of the earth’s thermal mass and consistent temperature, you will probably need a refrigeration system for your wine cellar.
The importance of wine cellar refrigeration cannot be overstated, as fluctuations in temperature and humidity levels can adversely affect wine as well as its surroundings. Understanding the importance of a refrigeration system is critical when considering the construction of a custom cellar. The following are the basic concepts in refrigeration systems for wine cellars. This is a rudimentary guide only, with specific recommendations being made after a site visit.