Short answer: A greenhouse thermal or energy screen should be selected from climate, crop light requirement, heating target, humidity strategy, screen openness, energy-saving data, flame and local safety requirements, drive system and installation details. Screen performance depends on full coverage, edge sealing, control and maintenance.
A screen may reduce nighttime heat loss, provide daytime shading, manage radiation, support blackout production or combine functions. One product may not be optimal for every objective. State the crop, season, heating source, light target and humidity challenge before requesting a quotation.
| Data item | Buyer question |
|---|---|
| Energy-saving or thermal value | What test method, conditions and installation assumptions support it? |
| Shade and light transmission | Are direct and diffuse values stated for the crop objective? |
| Open or closed structure | How does moisture and air move through the material? |
| Material and strips | What aluminum, polymer or other construction and care instructions apply? |
| Fire behavior | What documented requirement applies to the project and local rules? |
| Warranty | What conditions, exclusions and claim records are required? |
Horizontal screens can divide the roof volume and reduce radiative and convective loss when closed. Vertical screens can reduce perimeter loss or compartment areas. Layout depends on structure, gutters, trusses, vents, crop wires and equipment. Check how gaps around columns, cables and drive lines are sealed.
Review gear motor, shafts or cables, racks, pulling profiles, support wires, limit switches, travel, tension and access. The structure must support screen reactions and equipment. Ask how the system stops during obstruction or fault and how it can be operated or secured manually.
Closing a screen changes air and surface temperatures and can trap moisture. Coordinate the screen with heating, ventilation and circulation. Partial opening or moisture-gap strategies require appropriate controls and crop advice. Condensation management should not rely on the screen specification alone.
Possible inputs include time, indoor and outdoor temperature, humidity, radiation, wind and heating demand. Define opening and closing stages, delay, vent interaction, alarm response and manual override. Avoid fast movement that releases cold air or condensed water onto crops without a planned sequence.
Confirm screen direction, bay dimensions and obstacle clearances
Check support wires, drive alignment, travel and end limits
Inspect edge, gutter and column sealing
Test staged movement, manual operation and fault response
Verify controller sensors and screen status feedback
Train staff on cleaning, tension and seasonal inspection
Record spare clips, wires, drive parts and repair material
Actual savings depend on product data, coverage, sealing, climate, heating system, control and operating hours.
Some products combine functions, but light and thermal performance must be checked against crop needs.
Operation depends on temperature, humidity, condensation and crop strategy; use staged control when required.
Possible causes include poor dimensions, obstacles, tension, support alignment, wear or incorrect edge detailing.
Use the insulation system category, shading system category and automation guide.
Send the climate, crop, structure, heating and light targets through the contact page for a screen-selection checklist.