Greenhouse procurement guide — structures, climate control and growing systems
A supplier-neutral procurement guide for the three critical packages of any commercial greenhouse: structure, climate control and growing system. Scope splits, standards, evaluation criteria, cost drivers and RFQ hand-off.
- •A commercial greenhouse is really three procurement packages — structure, climate, growing system — with tightly coupled interfaces.
- •The single largest procurement error is buying the three packages from disconnected suppliers without a written interface matrix.
- •Climate control decisions (heating, cooling, screens, dehumidification) drive 30–45% of lifetime opex — evaluate on 10-year TCO, not headline capex.
- •Growing-system choice constrains crop pivots for the life of the asset — model 3 crop scenarios before locking.
The three procurement packages and their interfaces
Every greenhouse RFQ must define scope splits and interface responsibilities explicitly.
- 1
Package A — Structure & glazing
Steel, glazing, gutters, foundations, doors, ventilation openings. Interfaces with climate (equipment loads), irrigation (drainage), controls (sensor mounts).
Deliverable: Structural spec + interface matrix.
- 2
Package B — Climate control
Heating, cooling, screens, ventilation drives, CO₂ enrichment, dehumidification, sensors, climate computer. Interfaces with structure (loads), energy (source), growing system (root-zone climate).
Deliverable: Climate spec + set-point strategy.
- 3
Package C — Growing system
Hydroponic gutters, substrates, ebb-and-flow tables, fertigation, drainage, disinfection. Interfaces with climate (VPD, irradiance), water (source, disinfection), crop protection.
Deliverable: Growing-system spec + agronomic sign-off.
Package-level CAPEX benchmarks
Feasibility-stage rates for a mid-latitude commercial project.
| Category | Indicative rate | Notes |
|---|---|---|
| Venlo glass structure | $150–$220 / m² | Steel, glazing, gutters, foundations |
| Polycarbonate multi-span structure | $90–$140 / m² | Lower cost, lower transmission |
| Climate package (moderate climate) | $70–$130 / m² | Add for extreme climates |
| Climate package (extreme climate) | $130–$220 / m² | Desert / high-latitude / high-humidity |
| Hydroponic growing system | $45–$90 / m² | Gutters, substrates, fertigation |
| Digital climate controls | $15–$35 / m² | Computer, sensors, SCADA |
Confirm with formal quotations — steel and glazing prices are the primary volatility drivers.
Package-supplier evaluation criteria
Same weights work for all three packages; interpretation differs.
| Criterion | Weight | What to evaluate |
|---|---|---|
| Reference projects same climate zone | 20% | Structures need wind/snow refs; climate needs humidity/temp refs; growing systems need crop refs. |
| Technical fit to specification | 20% | Full compliance matrix; deviations flagged with cost/schedule impact. |
| Performance guarantees | 15% | Structural uptime, climate set-point compliance, first-year yield support. |
| Local service capacity | 15% | In-country engineers and spare parts — decisive for climate + growing. |
| Financial strength | 10% | Bondable, audited accounts. |
| Interface cooperation | 10% | Willingness to sign interface matrix and coordinate with adjacent packages. |
| Commercial terms | 10% | Payment schedule, warranty, LD regime. |
Risk register — the six that matter most
Undersized climate package
Mitigation: Design climate for worst-case week, not average — use 10-year weather data.
Growing system incompatible with crop pivot
Mitigation: Model 3 crop scenarios before locking growing system.
Interface warranty gaps
Mitigation: Interface matrix signed by all three package suppliers.
Sole-source climate control
Mitigation: Ensure minimum two competitive quotes for the climate package.
Downloadable templates
Editable, supplier-neutral templates you can adapt to your project. Pair the CAPEX planner with the RFQ template — the RFQ handoff sheet is pre-wired to feed your commercial section.
Interactive tools
Supplier-neutral calculators to stress-test assumptions before you issue an RFQ.
Project Configurator
9-step configurator that outputs a component list, procurement packages and expert list you can push into the RFQ Builder.
Open toolGreenhouse Technology Selector
Match structure, climate and growing system to crop portfolio.
Open toolGreenhouse Climate Calculator
Size heating, cooling and ventilation for your climate zone.
Open toolProject Readiness Assessment
Score your project against a supplier-neutral readiness rubric before issuing RFQs.
Open toolMove commercial greenhouse procurement into a structured RFQ
Editorial · not a sales pitchWhen your feasibility, financing envelope and technical specification are aligned, the RFQ Builder produces a supplier-neutral request that comparable suppliers can quote against on the same basis.
What a complete, supplier-neutral request on this topic usually includes. Use it as a checklist before submitting.
- Structure type (Venlo glass, polycarbonate multi-span, tunnel) and covered area (m² / ha)
- Climate strategy: heating, cooling, screens, dehumidification and target set-points
- Growing system, irrigation and fertigation scope with water source & quality data
- Energy mix (boiler, CHP, PV, storage) and grid capacity constraints
- Contract structure (EPC, EPC-M, multi-contract) and required performance guarantees
- Financing route: equity/debt split, DSCR target, off-take letters and permitting status
Open the builder with the topic pre-selected. You stay in control — nothing is submitted until you review and confirm.
Free to submit · supplier-neutral · reviewed by a specialist before any supplier is contacted.
Frequently asked questions
Executive-level answers in English, Spanish, French and Portuguese.
English
Should I buy the three greenhouse packages from one supplier?+
Not necessarily — but if you split them, sign an interface matrix. Turnkey suppliers offer wraparound warranty; component procurement offers price optionality but demands owner coordination.
How is climate control priced?+
Per m² of covered area, driven by climate zone, target set-points and the number of subsystems (heating, cooling, screens, dehumidification, CO₂). Extreme climates push the package to $150–$220/m².
What warranty terms are typical?+
Structure: 10–15 years on steel, 5–10 on glazing. Climate equipment: 2–5 years. Growing system: 5–10 years on gutters, 1–3 on substrates. Confirm each against project financing tenor.