Do you wonder how people enjoyed cold drinks before refrigerators? Let me tell you about the Icehouse. It was a marvel of engineering long before electricity.
Icehouses were buildings designed to store ice all year round. They existed before modern refrigeration. The Icehouse here was like a large, insulated container.
Ice was a precious commodity in the 18th and 19th centuries. George Washington, for example, had enslaved workers harvest ice from the Potomac River each winter. This ensured that his family could enjoy fresh meat and chilled drinks even in summer.
The Icehouse was often built partly or completely underground. This helped to keep the ice cold. Natural ice sources like rivers and lakes were important. During winter, ice and snow were packed inside. Straw or sawdust provided insulation to prevent melting. This way, the ice could last for many months. It sometimes lasted until the next winter.
Ice from the Icehouse had many uses. It was commonly used to store perishable foods. People also used it to cool drinks and make cold desserts. Wealthier households often had their own icehouses. In Britain, they became popular around 1660. Travelers brought the idea from Italy. These structures were typically brick-lined and domed. Most of their volume was underground. Their rounded bottoms helped to manage melted ice.
The design of an Icehouse was crucial for its effectiveness. Washington sought advice from friends about building a first-class icehouse. His design included a dry well dug into a hillside. An outer wall of wood planks encased the well. A layer of straw between the well and the wall provided insulation. Sawdust was another material used to cover the ice and prevent melting. The top of the Icehouse was arched. This allowed dirt and sod to provide even more insulation. Inside, a ladder allowed workers to retrieve ice.
Harvesting ice was no easy task. Enslaved people had to cut blocks of ice from frozen rivers. They then hauled these blocks to the Icehouse. Harder ice lasted longer. Sometimes, water was added to the ice in the Icehouse. This would freeze into a solid mass.
Even with careful construction, keeping ice was challenging. Washington once opened an Icehouse in June. He found that not even a small piece of ice remained. Martha Washington, his wife, strongly encouraged him to store ice. She felt that ice was the most agreeable thing to have in warm weather. She hoped to enjoy ice-cold drinks and ice cream.
Icehouses started to disappear as refrigeration became more common. However, they remained in some places. In Texas, some ice merchants sold groceries and cold beer. They became early convenience stores. The famous 7-Eleven chain evolved from icehouses owned by the Southland ice manufacturing company.
Iceboxes became popular in homes during the 19th century. These wooden boxes were insulated with materials like sawdust and seaweed. They were lined with non-corroding metals like tin or zinc. Ice was delivered to homes or picked up from the Icehouse.
The Icehouse stands as a testament to ingenuity. It reminds us of a time before modern conveniences. It shows how people creatively solved problems to improve their lives.