When you release the liquid carbon dioxide from the tank, the expansion of the liquid and the high-speed evaporation of carbon dioxide gas cools the remainder of the liquid down to the freezing point, where it turns directly into a solid.
Quick Answer. Cigars stay fresh without a humidor for up to a month when kept in their original wrapper. Cigars kept in a humidor can last for years in a properly controlled environment. A humidor keeps cigars from drying out and the oils from evaporating. Keep Learning.
Since opening its doors in 2013, The Old Cigar Warehouse continues to host over 100 weddings each year. The unique warehouse space boasts brick walls, polished floors, a wooden staircase with wrought iron railings, and large windows that provide plenty of natural light.