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CFGET Greenhouse Structure
Greenhouse structures evolved from arch and peaked roofs to meet crop and climate needs, improving efficiency and control.
🌱 Single / Tunnel / Cold Frame
A single-span greenhouse is a basic structure suitable for small-scale farming, seedling cultivation, and seasonal crop protection. It has a simple design, low cost, and is widely used in agriculture. Variations like tunnel and cold frame greenhouses have developed to adapt to different climates and growing needs.
Structural Advantages
✅ Simple design, easy to assemble
✅ Low investment cost, adaptable to various climates
✅ Customizable ventilation and insulation systems based on crop needs
✅ Ideal for small to medium-scale growers and horticultural production
💡CFGET
Single-span, tunnel, and cold frame greenhouses all have a single-span structure, but their height, width, and span can vary based on materials and connections.
For new greenhouse investors, these types are the most common entry-level options. They are low-cost, easy to install, and ideal for testing planting techniques and understanding the market. Many growers start with these greenhouses to gain experience and assess profitability before scaling up.
If you are new to greenhouse farming and have limited knowledge of planting techniques, we recommend starting with these affordable options. This helps reduce investment risk while you learn. Once you achieve stable profits and understand your needs better, you can upgrade to larger or customized structures for better efficiency and returns.
| Parameter | Single-span Greenhouse | Tunnel Greenhouse | Cold Frame Greenhouse |
|---|---|---|---|
| Width | 5m - 12m | 5m - 12m | 1m - 5m |
| Length | 20m - 100m (customizable) | 20m - 100m (customizable) | 10m - 50m |
| Maximum height | 4.3m - 8.5m | 3m - 5m | 0.5m - 1.5m |
| Minimum height | 2.5m - 6m | 1.5m - 2.5m | /// |
| Frame Material | Galvanized Steel | Galvanized Steel | Aluminum / PVC / Wood |
| Covering Material | Plastic Film / Polycarbonate / Glass | Plastic Film | Polycarbonate / Glass |
| Ventilation | Side & Roof Ventilation (manual/auto) | Side Roll-up Ventilation | Openable Panels |
| Climate Adaptability | Temperate & cold climates | Warm & tropical regions | Cold & temperate climates |
| Common Crops | Vegetables, flowers, fruits, herbs | Berries, greens, organic crops | Seedlings, overwintering plants |
Greenhouse Application Distribution
Not sure which greenhouse to choose?
Contact us! We’ll recommend the best option based on your crops, climate, and budget.
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Whether it’s greenhouse design, selection of planting systems, or customized needs, our expert team will provide you with efficient and cost-effective solutions.
No.108, Hegang Road, South AreaChengdu Modern Industrial Park, Pidu DistChengdu, Sichuan, China
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F. A. Q's
✅ 10 Simple FAQ for single tunnel cold frame Greenhouses
A single tunnel cold frame greenhouse is a long, narrow tunnel-shaped structure used for growing or protecting plants. It helps you extend the season and protect crops.
Vegetables, herbs, leafy greens, seedlings and transplant crops are all good. They benefit from earlier planting and late harvesting.
The frame uses steel or aluminum tubes. The cover may be plastic film or clear panels. It might have doors or vents for airflow.
The tunnel shape traps heat during the day and shields plants from cold at night. It allows you to start sooner in spring, or keep growing later in fall.
Yes. In mild climates it works very well. In harsh climates you may need stronger structure or extra insulation.
Because it costs less than a full greenhouse, but still gives good protection and helps you grow earlier or later in the year.
It depends on size, materials and system. But usually a tunnel cold frame can be set up faster than a large greenhouse — often few weeks from start to ready.
• Know your land size and shape.
• Know your climate: how cold the nights get, how much sun, how much wind.
• Decide what you will grow, and how many crops you want.
• Set budget and select needed systems: film or panel cover, ventilation, insulation.
The cost is lower than full glass or metal greenhouses. The ROI comes from extending your growing season, improving yield, reducing crop loss from cold.
The frame can last many years. The plastic film cover may need replacing every few years. Clear panels last longer. You’ll need to clean covers, check for airflow, and maintain structure for best performance.
