Maple Syrup Evaporation

After harvesting in the maple woods, the sap is transported to a sugar house where it boils down to become real maple syrup. During cooking, storage tank pipes feed sap to a long and narrow ridged pan called an evaporator. As it boils, water evaporates and becomes denser and sweeter. Sap boils until it reaches the density of maple syrup. About 40 liters (10.5 gallons) of sap boil down to one liter (about .25 gallons or one quart) of pure maple syrup. For other maple products – butter, taffy, or sugar – the sweet syrup is further boiled in the evaporator to the temperature necessary to produce the different types of maple products. After evaporation, the finished products get bottled or canned, and are shipped to their final destinations.