Moderate variations in temperature are conducive to proper ageing
Traditionally, Cognac storage facilities are not kept at a constant temperature, in contrast to underground cellars.
Nevertheless, moderate variations in temperature are conducive to proper ageing of eaux-de-vie.
Temperature ranges from 7-22°C (45-72°F) on average are considered reasonable.
They are one of the components in a cellar’s suitability for ageing eaux-de-vie.
Oak wood, by its nature, also contributes to this thermal inertia.