Greenhouse Dehumidifier
Our greenhouse dehumidifiers control excess moisture from crop transpiration, irrigation, and climate changes, reducing condensation, fungal risks, and humidity-related growing issues.
Portable, floor-standing, ceiling-mounted, and ducted systems can be customized for greenhouse size, crops, temperature, airflow, irrigation load, and target RH.
- RH Control: 40%–80% RH
- Reliable 24/7 Operation
- Easy to Install and Maintain
- Seamless Integration with Existing HVAC Systems
Types of Greenhouse Dehumidifiers We Provide
We provide different types of greenhouse dehumidifiers to control humidity, prevent moisture issues, and improve crop cultivation efficiency.
High Temperature Dehumidifier
- Designed for high-temperature greenhouses with operation up to 60°C.
- Provides 168–240 L/day moisture removal for greenhouse cultivation.
- Reduces condensation and humidity stress in hot growing environments.
Humidifier Dehumidifier Combo
- Combines humidification and dehumidification for precise greenhouse RH control.
- Provides 98–480 L/day dehumidification and 72–300 L/day humidification.
- Supports stable humidity conditions for different crop growth stages.
Heating and Cooling Options for Greenhouse Dehumidifiers
Our greenhouse dehumidifiers can be equipped with optional heating or cooling functions for coordinated temperature and humidity control across changing seasons.
Heating Function
- Dehumidifies while supplying warm air to maintain greenhouse temperatures.
- Reduces condensation, excess moisture, and mold risks during cold nights or winter.
- Maintains stable conditions for vegetables, flowers, seedlings, and research crops.
Cooling Function
- Removes excess heat while maintaining effective greenhouse dehumidification.
- Reduces heat stress and supports stable crop growth during summer.
- Suitable for enclosed greenhouses, vertical farms, and warm-climate projects.
What Greenhouse Structures Are Suitable for Our Dehumidifiers?
Our dehumidifiers suit glass, polycarbonate, and plastic-film, with flexible installation options for different structures and operating requirements.
Glass Greenhouse
- Uses horticultural, tempered, or laminated glass
- Common for tomatoes, cucumbers, strawberries, flowers, and high-value crops
- Requires continuous humidity control and balanced airflow to prevent condensation
- Suitable for ceiling-mounted, ducted, or industrial dehumidifiers
Polycarbonate Greenhouse
- Uses single-, twin-, or multi-wall polycarbonate panels
- Common for seedlings, vegetables, herbs, flowers, and hydroponic crops
- Requires balanced airflow to reduce condensation and humid zones
- Suitable for floor-standing, ceiling-mounted, or ducted units
Plastic Film Greenhouse
- Uses PE, PO, EVA, or multilayer greenhouse film
- Common for tomatoes, peppers, melons, vegetables, and seasonal flowers
- Often combines heating, ventilation, and air circulation for humidity control
- Suitable for portable or commercial floor-standing units
Need a Reliable Greenhouse Dehumidifier for Your Growing Environment?
We design greenhouse dehumidification systems based on crop type, greenhouse structure, temperature range, airflow requirements, and target humidity levels.
What Types of Greenhouses Require Dehumidification?
Different crops require specific humidity ranges, airflow patterns, and control strategies to reduce condensation, disease risks, and moisture-related growing problems effectively.
Vegetable Greenhouse
- Typical RH: approximately 55%–75%
- Suitable for tomatoes, cucumbers, peppers, lettuce, and leafy vegetables
- Handles strong crop transpiration and irrigation moisture
- Supports nighttime and early-morning condensation control
Flower Greenhouse
- Typical RH: approximately 50%–70%
- Suitable for roses, orchids, chrysanthemums, tulips, and ornamental plants
- Provides gentle airflow around flowers and leaves
- Reduces local condensation without creating excessive air movement
Fruit Greenhouse
- Typical RH: approximately 55%–70%
- Suitable for strawberries, grapes, blueberries, and other greenhouse fruits
- Maintains stable humidity during flowering, fruit set, and ripening
- Helps limit moisture accumulation on fruit and dense foliage
Seedling & Propagation Greenhouse
- Typical RH: approximately 60%–75%
- Suitable for seedlings, cuttings, and young plants
- Provides gradual dehumidification and low-velocity airflow
- Allows different humidity settings for propagation and hardening stages
Hydroponic Greenhouse
- Typical RH: approximately 50%–70%
- Suitable for hydroponic, aeroponic, and substrate-growing systems
- Handles continuous moisture from nutrient solutions and irrigation
- Supports high airflow, automatic drainage, and smart control integration
Research Greenhouse
- Typical RH: approximately 50%–75%
- Suitable for plant breeding, crop testing, and controlled experiments
- Provides stable humidity control with optional ±2%–3% RH accuracy
- Supports zone control, monitoring, data recording, and system integration
Cannabis Greenhouse
- Typical RH: approximately 45%–65%
- Suitable for licensed commercial cannabis cultivation
- Handles moisture from dense canopies, irrigation, and transpiration
- Supports nighttime operation, uniform airflow, and precise RH control
Herb Greenhouse
- Typical RH: approximately 50%–65%
- Suitable for basil, mint, parsley, cilantro, rosemary, thyme, and other herbs
- Helps keep leaf surfaces dry in dense growing areas
- Supports leaf quality and aroma while reducing moisture-related disease risks
Recommended Dehumidifier Capacity for Different Greenhouse Sizes
These values are preliminary references rather than final selection criteria. Actual capacity must be calculated from crop transpiration, irrigation moisture, ventilation, outdoor climate, operating temperature, target RH, and nighttime moisture load.
Greenhouse Size | Reference Area | Reference Capacity | Reference Airflow | Installation Option |
Small Greenhouse | 20–100 m² | 20–90 L/day | 300–1,500 m³/h | Portable or Floor-standing |
Medium Greenhouse | 100–500 m² | 90–300 L/day | 1,500–4,000 m³/h | Floor-standing or Ceiling-mounted |
Large Greenhouse | 500–1,500 m² | 300–900 L/day | 4,000–10,000 m³/h | Industrial or Ducted System |
Commercial Multi-Span Greenhouse | 1,500–3,000+ m² | 600–1,200+ L/day | 8,000–15,000+ m³/h | Centralized Ducted System |
Greenhouse Dehumidification Project Case
A commercial vegetable greenhouse experienced high nighttime humidity and heavy condensation on leaves and greenhouse structures.
Customer Requirement
The customer required stable humidity control between 60% and 75% RH while reducing excessive ventilation and heating energy loss.
Our Solution
WetWells supplied four commercial greenhouse dehumidifiers with automatic humidity control, continuous drainage, and optimized airflow distribution.
Reference Configuration
- Greenhouse Area: 2,000 m²
- Dehumidification Capacity: 300 L/day per unit
- Airflow: 4,000 m³/h per unit
- Target Humidity: 60%–75% RH
- Installation: Floor-Standing with Distributed Airflow
- Operation: Automatic 24/7 Control
FAQs
Can a greenhouse dehumidifier prevent plant diseases?
A greenhouse dehumidifier can reduce prolonged leaf wetness and excessive humidity, helping lower environmental conditions associated with moisture-related crop diseases.
What humidity level should a greenhouse maintain?
Many greenhouse crops are grown within approximately 50%–80% RH, but the suitable range depends on crop type, growth stage, temperature, and disease-control requirements.
Can one dehumidifier control an entire greenhouse?
It depends on greenhouse size, layout, crop density, and airflow. Large or multi-span greenhouses may require several units or a ducted centralized system.
Is a greenhouse dehumidifier suitable for cannabis cultivation?
Yes. A greenhouse dehumidifier can manage moisture from dense canopies, irrigation, and transpiration in licensed commercial cannabis facilities.
Can a greenhouse dehumidifier resist corrosion?
Yes. A greenhouse dehumidifier can use stainless steel, coated casing, protected electrical components, and corrosion-resistant heat exchangers.
What information is needed for a greenhouse dehumidifier quotation?
For a greenhouse dehumidifier quotation, provide greenhouse dimensions, crop type, temperature, current RH, target RH, irrigation method, ventilation, voltage, and installation preference.
What types of greenhouses can use a greenhouse dehumidification system?
A greenhouse dehumidification system can be used for vegetable greenhouses, flower greenhouses, fruit greenhouses, hydroponic greenhouses, seedling facilities, and research growing environments.
When is an industrial dehumidifier for greenhouse needed?
An industrial dehumidifier for greenhouse applications is designed for large commercial greenhouses, high-density crops, and hydroponic systems where ventilation cannot control humidity. It maintains stable RH and reduces condensation risks.