The materials used to construct a 4 season greenhouse can significantly affect its cost. The most common materials are aluminum, wood, and steel qsciencesshop. Steel is more durable than aluminum and can be shaped into many shapes. Whether to use galvanized steel is also an important consideration, especially if the greenhouse will be used in an area with high humidity.
The price of building a 4 season greenhouse is largely based on materials and style. A freestanding greenhouse of 12′ x 12′ can range from $720 to $15,000, depending on the materials used. While the most basic greenhouses are made of sheet plastic stretched over PVC hoops, more expensive greenhouses may be made of glass and have flooring visitmagazines.
A four season greenhouse may be as simple as a High Tunnel or as elaborate as a custom-built building with automated controls suprnova. The type of greenhouse you choose will depend on how many hardiness zones you want to step, the amount of space you need indoors, and the type of greenhouse material you choose. A polycarbonate greenhouse can be very affordable and easy to install wikinewsfeed.
Double-paned glass is also a good option. Double-glazed glass costs around $2.50 per square foot, but is not quite as effective as polycarbonate. However, it will preserve the look of your greenhouse and is a great choice for moderate climates timesmagazine24.