The text provides 12 tips for choosing a garden greenhouse, discussing materials, thermal insulation, door and window features, and other important considerations. It emphasizes the importance of factors such as material durability, thermal insulation, door and window dimensions, and resistance to weather conditions. Additionally, it highlights the significance of features like low thresholds, locks on doors, and ventilation windows, while also recommending avoiding masonry foundations in favor of anchored or steel-based ones.

• Greenhouse materials can be wood or metal, with glass or polycarbonate panels.
• Thermal insulation is crucial for maintaining temperature inside the greenhouse.
• Consider the dimensions and features of doors and windows, such as height, width, and ventilation options.
• The greenhouse should be resistant to wind and snow, with adequate drainage systems.
• The type of foundation, such as anchored or steel-based, is recommended over masonry ones.