Greenhouse Air Circulation Systems: How to Eliminate Hot Spots and Protect Crop Uniformity

Creating the right temperature and humidity inside a commercial greenhouse is only part of effective climate control. Those conditions must also be distributed consistently throughout the facility and, most importantly, through the crop canopy.

A temperature sensor may indicate that a greenhouse has reached its target setpoint, but that reading does not guarantee every plant is experiencing the same environment. Warm air may collect near the roof. Cooler air may settle around the floor. Dense plants can trap moisture within the canopy, while areas near fans or vents may receive significantly more air movement than crops in the centre of the greenhouse.

These variations create microclimates—small zones where temperature, humidity, airflow or carbon dioxide levels differ from the surrounding space. Even relatively minor environmental differences can lead to uneven growth, inconsistent flowering, variable crop quality, condensation and greater disease pressure.

A properly designed greenhouse air circulation system helps solve these problems by continually mixing and distributing air. Rather than allowing conditioned air to remain in one part of the structure, circulation equipment carries it throughout the growing area and helps move it around and through the plant canopy.

However, installing additional fans does not automatically create effective airflow. Fan type, location, direction, crop density, greenhouse layout and equipment controls all influence system performance. In some facilities, adding air movement without a coordinated design can simply create stronger drafts in one area while leaving other sections stagnant.

Understanding how air behaves inside a commercial greenhouse is the first step toward creating more uniform growing conditions, improving crop consistency and making better use of heating, cooling and dehumidification equipment.

What Is a Greenhouse Air Circulation System?

A greenhouse air circulation system moves air within a greenhouse or indoor growing environment. Its purpose is to mix the air mass, distribute conditioned air and reduce differences between growing zones.

Depending on the facility, the system may include:

• Horizontal airflow fans
• Vertical airflow fans
• Circulation or mixing fans
• Perforated polyethylene tubes
• Engineered fabric ductwork
• Under-canopy air-distribution systems
• Supply-air diffusers
• Exhaust fans
• Intake louvres
• Heating and cooling equipment
• Environmental sensors and automated controls

The ideal system does not simply move the greatest possible volume of air. It delivers an appropriate amount of air to the areas where it is needed without damaging plants, rapidly drying the growing medium or creating disruptive turbulence.

Commercial greenhouse airflow should be gentle, consistent and predictable. The goal is to establish an even growing environment from one end of the facility to the other and from the floor to the upper canopy.

Air Circulation vs. Greenhouse Ventilation

Air circulation and ventilation are sometimes used interchangeably, but they perform different functions.

What Does Greenhouse Ventilation Do?

Greenhouse ventilation exchanges indoor air with outdoor air. Warm or humid greenhouse air is released, and outside air enters the structure.

Natural ventilation uses roof vents, sidewall openings and wind-driven airflow. Mechanical ventilation uses exhaust fans and intake openings to force an air exchange.

Ventilation can help:

• Remove excess heat
• Reduce indoor humidity
• Introduce fresh air
• Manage carbon dioxide levels
• Remove certain airborne contaminants
• Support evaporative cooling

What Does Internal Air Circulation Do?

Internal circulation moves and mixes the air already inside the greenhouse. It helps prevent warm, cool, humid or dry air from remaining trapped in isolated areas.

Air circulation can help:

• Distribute heated or cooled air
• Reduce temperature stratification
• Move moisture away from leaves
• Improve conditions within dense canopies
• Reduce hot and cold spots
• Distribute carbon dioxide
• Create more consistent crop conditions

A greenhouse may have good ventilation but poor internal circulation. For example, exhaust fans may successfully remove air from the building, but the replacement air may take the shortest route between the intake and exhaust without reaching crops in corners, beneath benches or inside a dense canopy.

The opposite can also occur. Circulation fans may mix indoor air effectively, but they cannot remove the total heat and moisture load if the greenhouse lacks sufficient ventilation, cooling or dehumidification.

High-performing facilities usually need both air exchange and internal distribution. These systems should be designed to complement each other rather than operate independently.

Why Airflow Becomes Uneven Inside a Greenhouse

Several forces influence air movement inside a greenhouse. Air changes direction as it encounters plants, structural supports, equipment, curtains, walls, benches and other obstructions.

Understanding these influences helps explain why microclimates are common.

Warm Air Rises

Warm air is less dense than cool air and naturally rises toward the greenhouse roof. Without adequate circulation, this can create a warm upper layer and cooler conditions around lower-growing crops.

Temperature stratification can be especially noticeable during the winter when heating systems operate. The warmest air may remain above the crop, increasing heat loss through the roof while plants receive less of the energy the system is producing.

Cool Air Settles

Cooler air can collect near the floor, around exterior walls or in low areas. Cold surfaces and air leaks may make perimeter zones different from the centre of the greenhouse.

If plants in these locations become cooler than the surrounding air, moisture may condense on their leaves as conditions approach the dew point.

Plants Obstruct Airflow

A young crop allows air to move relatively freely across a bench or growing area. As plants develop, the expanding canopy creates resistance.

Large leaves, closely spaced containers, tall crops and multi-tier growing systems can block airflow and trap moisture. The environmental conditions within the canopy may become substantially different from those measured above it.

A greenhouse air circulation system must therefore be designed for the mature crop, not only the relatively open space present at the beginning of the growing cycle.

Curtains and Screens Divide the Airspace

Shade curtains, energy curtains and light-abatement systems can alter air movement. When deployed, they may separate the greenhouse into upper and lower air zones.

Research published by the Ontario Ministry of Agriculture, Food and Agribusiness notes that vent location and gaps in greenhouse curtains affect the degree and nature of air stratification.

Fans and diffusers must be positioned with curtain movement in mind. Otherwise, an effective airflow pattern may disappear as soon as the curtain closes.

Equipment Creates Localized Conditions

Heaters, cooling pads, evaporative systems, air-conditioning units, exhaust fans and supply ducts can create noticeably different conditions near their discharge points.

Plants directly in front of a high-velocity fan may experience excessive air movement, while crops farther away may receive very little. Similarly, plants closest to an evaporative cooling pad may be cooler and more humid than those near the exhaust end of the greenhouse.

A good air-distribution design helps reduce these differences.

Why Uniform Greenhouse Air Circulation Matters

Consistent airflow supports several processes that influence crop performance.

More Uniform Temperature

Heating and cooling equipment can only deliver consistent results if conditioned air reaches the crop.

Without adequate mixing, sensors may detect acceptable conditions even though individual growing areas remain too warm or too cool. This can cause equipment to shut down before the entire greenhouse reaches the desired temperature.

Uniform air movement helps redistribute warm and cool air throughout the growing area. This can reduce temperature differences between the centre and perimeter, upper and lower zones, and sections near or far from mechanical equipment.

Improved temperature uniformity can lead to:

• More consistent growth rates
• Better production scheduling
• Uniform flowering
• More predictable harvests
• Reduced plant stress
• Fewer crop-quality differences between zones

For commercial growers, uniformity is important because the value of a crop depends not only on total production but also on how much of that production meets the desired grade at the same time.

Better Humidity Management

Plants constantly release water vapour through transpiration. In a dense crop, this moisture can accumulate within the canopy even when the relative humidity measured above the crop appears acceptable.

Still air around leaves allows a humid boundary layer to develop. If leaf temperature falls to the dew point, condensation may form on plant surfaces.

Air circulation moves moist air away from leaves and replaces it with air from the surrounding environment. It does not remove moisture from the greenhouse by itself, but it helps carry that moisture toward the ventilation or dehumidification system.

The Ontario greenhouse floriculture production guide recommends adequate heating, ventilation and air circulation to control relative humidity around and through the plant canopy. It also identifies poor circulation and temperature stratification as conditions that can contribute to free moisture and foliar disease.

To understand the broader role of humidity in commercial crop production, growers can also review Cultivate & Equipment’s guide to greenhouse humidity control.

Reduced Condensation and Leaf Wetness

Condensation occurs when a surface is cooler than the dew point of the surrounding air. Plant leaves may radiate heat toward a cold greenhouse covering and become cooler than the air around them, particularly at night or early in the morning.

When warm, humid air contacts these cooler leaves, moisture can form.

Consistent air circulation helps equalize air and leaf temperatures and disrupts the saturated boundary layer around the foliage. This can help leaves dry more quickly and reduce the length of time free moisture remains on the crop.

Air movement should be part of a complete humidity-management strategy that may also include:

• Irrigation timing
• Heating
• Ventilation
• Dehumidification
• Plant spacing
• Canopy management
• Curtain control
• Sensor calibration

A fan cannot compensate for excessive irrigation, uncontrolled humidity or insufficient dehumidification capacity. It can, however, make those other systems more effective by helping moisture reach the equipment intended to remove it.

Improved Carbon Dioxide Distribution

Plants need carbon dioxide for photosynthesis. In a tightly clad greenhouse with limited ventilation, actively growing plants can reduce the amount of carbon dioxide in the surrounding air.

Uneven air movement can make this depletion worse inside dense canopies. Carbon dioxide may be available near a distribution point or above the crop but fail to reach every leaf consistently.

Air circulation helps move carbon dioxide through the growing area and across leaf surfaces. Facilities using carbon dioxide enrichment require especially careful distribution so that gas is not concentrated near the injection point while other areas remain underserved.

The goal is not simply to add carbon dioxide to the building. It is to deliver it safely and uniformly to the active crop canopy while coordinating enrichment with ventilation, lighting and environmental controls.

Cultivate & Equipment’s custom greenhouse and indoor air-distribution systems can use fabric ducts or polyethylene induction tubes to carry conditioned air and support carbon dioxide distribution near the canopy.

More Consistent Transpiration

Transpiration moves water from the roots through the plant and into the surrounding air. It contributes to nutrient movement, leaf cooling and normal plant function.

The thin layer of air immediately surrounding a leaf is known as the boundary layer. When air is completely still, this layer can become thicker, slowing the exchange of heat, water vapour and carbon dioxide.

Gentle air movement reduces the boundary layer and supports more consistent gas exchange. However, excessive airflow can increase water loss, dry the growing medium too quickly and create plant stress.

The appropriate air velocity depends on the crop, growth stage, leaf structure and production system. Tender seedlings and young cuttings generally require different conditions than mature vegetable plants or cannabis crops.

The objective is controlled movement, not maximum fan speed.

Stronger Plant Development

Plants grown with appropriate air movement may develop sturdier stems than plants kept in completely stagnant conditions. Gentle movement creates a small amount of mechanical stimulation and encourages plants to support their own growth.

Excessive airflow can have the opposite effect. Persistent high-velocity air may cause tearing, windburn, distorted growth or uneven drying.

Air movement must therefore be distributed over the entire crop rather than concentrated into narrow jets.

Types of Greenhouse Air Circulation Systems

Different facilities require different methods of moving air. In many commercial greenhouses, the most effective solution combines several technologies.

Horizontal Airflow Fans

Horizontal airflow fans, often called HAF fans, are arranged to move air in a continuous horizontal pattern around the greenhouse.

The fans are commonly positioned so that air travels down one side of the greenhouse, crosses at the end and returns along the opposite side. The result is a slow-moving circulation pattern that mixes the greenhouse air mass.

HAF systems are widely used because they can:

• Reduce temperature differences
• Limit stagnant air
• Support humidity management
• Improve heating efficiency
• Operate during periods when ventilation is closed
• Mix air above and around the crop

The design must account for fan diameter, capacity, greenhouse length, bay width, crop height, hanging baskets and other obstructions. Fans should work together rather than blow directly against one another.

A Michigan State University resource on horizontal airflow explains that circulation fans are intended to create a horizontal air pattern throughout the greenhouse. The exact fan arrangement still needs to be adapted to the individual structure.

Vertical Airflow Fans

Vertical airflow fans move air upward or downward to reduce stratification between the floor and roof.

They can be useful in tall greenhouses, facilities with significant overhead space and environments where warm air accumulates above the growing zone. Vertical mixing can help return heated air toward the crop and reduce temperature layers.

These fans must be positioned carefully. A strong downward blast can damage crops or create highly localized drying. Their operation should also be coordinated with roof vents and curtain systems.

Perforated Polyethylene Air Tubes

Perforated polyethylene tubes distribute air through a series of holes along the tube. They can be suspended above a crop, positioned beside benches or installed beneath the canopy.

The size, number and direction of the openings determine how air is released. Static pressure must remain consistent enough to provide relatively even distribution along the tube.

Poly tubes can be useful for delivering:

• Heated air
• Cooled air
• Dehumidified air
• Fresh replacement air
• Carbon dioxide-enriched air

Because polyethylene tubes are lightweight and adaptable, they can be a cost-effective option. However, improper sizing can cause high velocity near the air source and weak delivery at the far end.

Tubes also require inspection for tears, collapsed sections, clogged openings and changes caused by crop growth or equipment movement.

Engineered Fabric Ductwork

Fabric ducts are designed to distribute air through strategically placed perforations or porous material. Compared with a basic poly tube, an engineered fabric system may provide greater durability, more precise airflow patterns and a cleaner long-term installation.

Fabric ducting can be customized for:

• Greenhouse dimensions
• Crop layout
• Available static pressure
• Required air volume
• Canopy height
• Heating or cooling delivery
• Under-bench or under-canopy installation
• Wash-down and sanitation requirements

One advantage of fabric distribution is the ability to spread air over a larger area rather than releasing it through a few high-velocity outlets.

Under-Canopy Air Distribution

Conditions inside a mature canopy can be substantially different from the air above it. Under-canopy systems deliver air closer to the leaves, stems and fruit where moisture and heat may accumulate.

This approach can be particularly valuable for:

• Tall vegetable crops
• Cannabis production
• Dense flowering crops
• Multi-layer growing environments
• Facilities with recurring canopy-level humidity
• Crops affected by condensation or uneven carbon dioxide delivery

Under-canopy distribution must be designed around irrigation lines, benches, work access and sanitation. Air outlets should not blow directly into growing media or create localized stress.

HVAC Supply-Air Distribution

In a mechanically cooled, heated or dehumidified facility, the supply-air network is a critical part of system performance.

An HVAC unit may produce air at the correct temperature and humidity, but the crop will not benefit if that air short-circuits back to the return or remains concentrated near the equipment.

Supply and return locations should encourage conditioned air to pass through the occupied growing zone. Duct sizing, diffuser selection and static pressure must be coordinated with the HVAC equipment.

This is one reason commercial greenhouse climate-control solutions should be designed as integrated systems. Heating, cooling, dehumidification and air distribution must work together.

How to Design a Greenhouse Airflow System

Effective greenhouse airflow design begins with the crop and production process rather than the fan catalogue.

Evaluate the Facility Layout

A design assessment should document:

• Greenhouse length, width and height
• Number and configuration of bays
• Bench and aisle placement
• Crop height at maturity
• Plant density
• Hanging baskets
• Racks or vertical growing levels
• Interior walls and partitions
• Shade, energy or light-abatement curtains
• Heating equipment
• Cooling equipment
• Dehumidifier locations
• Intake and exhaust points
• Doors and loading areas
• Areas with recurring crop problems

Air moves through the pathways available to it. A detailed layout helps identify where resistance, bypass and stagnant zones are likely to occur.

Define the Environmental Objective

Not every airflow problem has the same solution. The system may need to:

• Reduce temperature stratification
• Remove moisture from a crop canopy
• Deliver conditioned air
• Improve carbon dioxide distribution
• eliminate summer hot spots
• Prevent winter condensation
• Support a sealed growing environment
• Improve uniformity between production zones

Defining the objective makes it easier to select the appropriate equipment and control strategy.

Design for the Mature Canopy

One of the most common mistakes is testing airflow when the greenhouse is relatively empty.

A mature crop creates much greater resistance than young plants. Leaves overlap, stems fill open spaces and the canopy may block air moving from fans mounted above it.

Designing for mature crop density helps ensure the system remains effective when environmental control is most difficult and the crop is at its highest value.

Consider Seasonal Operation

Airflow requirements change throughout the year.

During summer, the system may support ventilation and cooling by carrying cool intake air through the crop. During winter, it may mix heated air and reduce stratification. At night, it may help prevent condensation. During periods of high transpiration, it may need to carry moisture toward the dehumidification system.

Controls should allow equipment to operate differently according to temperature, humidity, curtain position, lighting, crop stage and season.

Avoid Excessive Air Velocity

More airflow is not always better.

High-velocity air can:

• Dry leaves and growing media unevenly
• Increase irrigation demand
• Cause windburn
• Damage young plants
• Disrupt beneficial insects
• Create cold spots near cooling outlets
• Spread some airborne pests or pathogens
• Make the working environment uncomfortable

Fans and diffusers should create broad, gentle movement rather than narrow streams of forceful air.

Variable-speed equipment can help adjust air movement for different crops and development stages. However, reducing fan speed without understanding the airflow pattern may also allow stagnant zones to return.

Coordinate Supply and Return Air

Supply air must have a clear path through the crop to the return, vent or exhaust point.

If supply and return openings are too close, conditioned air may take a shortcut without serving the growing area. If return air is blocked by a curtain or mature canopy, HVAC performance may decline.

The full air path should be evaluated during design and verified after installation.

How to Identify Greenhouse Airflow Problems

Airflow is difficult to diagnose by sight alone. A facility can feel breezy near the aisle while the crop canopy remains stagnant.

Several methods can help evaluate performance.

Use Multiple Environmental Sensors

Compare temperature and humidity readings from:

• Opposite ends of the greenhouse
• Centre and perimeter zones
• Above, within and below the canopy
• Areas near exterior walls
• Locations near supply and return air
• Different levels of a vertical farm
• Problem areas and healthy areas

Sensors should be shielded from direct sunlight and calibrated regularly.

Conduct Air-Movement Testing

Smoke pencils, fog testing, streamers and other visualization tools can reveal air direction and identify unexpected dead zones or short-circuiting.

Any testing material used around crops must be safe for the production environment. Smoke or fog should never be introduced without considering plant health, food-safety requirements, worker exposure, alarms and equipment.

Handheld air-velocity meters can provide quantitative readings at multiple points. Measurements should be taken under typical operating conditions with curtains, doors and crop arrangements in their normal positions.

Map Crop Performance

The plants themselves can reveal airflow problems.

Record recurring patterns involving:

• Foliar disease
• Condensation
• Wilting
• Uneven flowering
• Different harvest dates
• Poor fruit set
• Stretching
• Leaf-edge damage
• Uneven irrigation demand
• Inconsistent crop quality

Overlaying these observations on a greenhouse floor plan can help determine whether the problem follows an airflow pattern.

Review Equipment Data

A greenhouse automation system may show that one zone takes longer to reach a setpoint, a dehumidifier runs continuously or an HVAC unit cycles more frequently than expected.

These patterns may indicate that air is not being delivered or returned effectively, even if the mechanical equipment itself is functioning.

Common Greenhouse Air Circulation Mistakes

Installing Fans Without an Airflow Plan

Adding fans wherever space is available can create competing air patterns. Some areas may become turbulent while others remain untouched.

Every fan should support an intentional circulation path.

Pointing Fans Directly at Plants

Direct, high-velocity airflow can damage crops and create uneven water demand. Fans should generally mix and distribute air rather than blast a limited number of plants.

Ignoring the Canopy

Air movement above a crop does not guarantee air movement through it. Dense and tall crops may need under-canopy or in-canopy delivery.

Blocking Fans With Curtains or Hanging Baskets

Curtains, baskets and seasonal equipment may interfere with a system that worked earlier in the year. Airflow should be evaluated in every common greenhouse configuration.

Using Circulation to Replace Dehumidification

Circulation moves moisture; it does not remove it from a closed greenhouse. High-transpiration facilities still require sufficient ventilation or mechanical dehumidification.

Failing to Clean and Maintain Equipment

Dust, plant debris, mineral deposits and worn components reduce fan output and change airflow patterns. A system can gradually lose effectiveness without experiencing an obvious failure.

Relying on One Sensor

One reading cannot represent a large commercial greenhouse. Multiple sensors are needed to identify microclimates and confirm that environmental conditions are uniform.

Maintaining a Greenhouse Air Circulation System

Regular maintenance protects system performance and helps prevent unexpected failures.

A maintenance program should include:

• Cleaning fan blades and guards
• Inspecting motors and bearings
• Checking belts and pulleys
• Confirming fan direction
• Tightening mounts and supports
• Inspecting electrical connections
• Cleaning sensors
• Calibrating temperature and humidity instruments
• Checking poly tubes for tears or collapsed areas
• Cleaning fabric ductwork according to manufacturer instructions
• Inspecting diffuser openings
• Confirming dampers and actuators operate correctly
• Testing variable-speed controls
• Checking supply and return pathways
• Reviewing alarm history
• Repeating airflow measurements after major crop changes

Growers should also review the system after renovations, equipment replacements or changes to bench layout. A new partition, curtain, rack or HVAC unit can change airflow throughout the facility.

Can Better Air Distribution Reduce Operating Costs?

Improved air distribution can help a greenhouse make more effective use of the energy it already consumes.

When heated air collects near the roof, the heating system may operate longer while the crop remains below its setpoint. When cool air does not reach the entire canopy, cooling equipment may run continuously while some sections remain warm. When moisture stays trapped inside the crop, dehumidification equipment may struggle to control canopy conditions.

Better circulation can support:

• More accurate sensor readings
• More even heating and cooling
• Reduced temperature stratification
• Improved dehumidification performance
• More consistent control responses
• Fewer crop losses associated with microclimates
• Better use of carbon dioxide enrichment
• More uniform production timing

Circulation fans still consume electricity, and the financial outcome depends on system design and operating conditions. The objective is not simply to add equipment. It is to improve environmental uniformity and allow the entire climate-control system to operate more effectively.

Choosing the Right Greenhouse Air Circulation System

There is no universal airflow arrangement for every commercial greenhouse.

The best solution depends on:

• Crop type
• Crop height and density
• Greenhouse dimensions
• Production system
• Regional climate
• Transpiration load
• Existing HVAC equipment
• Ventilation strategy
• Curtain configuration
• Carbon dioxide enrichment
• Biosecurity requirements
• Odour-control requirements
• Expansion plans
• Maintenance capabilities
• Available budget

A small ornamental greenhouse may perform well with a properly arranged HAF system. A large vegetable or cannabis operation may require engineered fabric ducts, under-canopy delivery, dedicated dehumidification and automated zone control.

The design should solve measurable problems. Before investing, growers should identify where conditions vary, what crop outcomes are being affected and how success will be evaluated after installation.

Frequently Asked Questions About Greenhouse Air Circulation

Should greenhouse circulation fans run continuously?

Many facilities operate circulation fans for extended periods to prevent stagnant air and temperature stratification. However, the ideal schedule depends on crop sensitivity, equipment design, heating and cooling operation, curtains, irrigation and environmental conditions. Automated control may adjust fan speed or staging throughout the day.

How many circulation fans does a greenhouse need?

Fan quantity depends on fan capacity, greenhouse size, bay configuration, crop density and the desired airflow pattern. A fan count based only on square footage may overlook obstructions and canopy conditions. Commercial systems should be sized and positioned according to an airflow design.

Where should greenhouse circulation fans be installed?

Fans may be installed above, beside, below or within the crop zone, depending on the system. Horizontal airflow fans are typically arranged to create a coordinated circulation pattern. Ducts and diffusers may be placed closer to the canopy when air must reach dense growing areas.

Can air circulation prevent mould and mildew?

Air circulation can reduce stagnant humidity, condensation and prolonged leaf wetness, all of which may contribute to disease development. However, it cannot guarantee disease prevention. Irrigation, sanitation, plant spacing, temperature, humidity, ventilation and dehumidification must also be managed.

What is the difference between a circulation fan and an exhaust fan?

A circulation fan moves air within the greenhouse. An exhaust fan removes indoor air and draws replacement air into the building. Most commercial greenhouses need both internal mixing and an appropriate method of heat and moisture removal.

Can circulation fans be too powerful?

Yes. Excessive air velocity can damage tender crops, increase water loss and produce uneven conditions. The goal is gentle and uniform air movement rather than the strongest possible airflow.

Does airflow matter in an indoor grow room?

Yes. Indoor grow rooms can develop significant heat, humidity and carbon dioxide differences because they are tightly enclosed and may contain dense canopies or multiple growing levels. Air distribution is essential for delivering conditioned air and maintaining consistent environments.

Eliminate Greenhouse Microclimates With Custom Air Distribution

Greenhouse air circulation is easy to overlook because air itself is invisible. Its effects, however, can be seen throughout the crop.

Uneven flowering, recurring condensation, localized disease, variable plant size and different harvest times may all point toward air-distribution problems. Installing more heating, cooling or dehumidification capacity will not necessarily solve these issues if conditioned air still cannot reach the plants consistently.

An effective greenhouse air circulation system considers the complete environment: the structure, mature canopy, ventilation, HVAC equipment, curtains, irrigation, carbon dioxide and production schedule. Fans, ducts and diffusers must work together to deliver air where the crop needs it without creating damaging drafts.

Cultivate & Equipment helps commercial plant, vegetable, flower and cannabis growers design more consistent growing environments. Our custom greenhouse diffusers, engineered fabric air ducts and polyethylene induction tubes can deliver climatized air around and through the plant canopy, helping address hot spots, humidity and difficult microclimates.

Whether you are designing a new facility or improving an existing greenhouse, our team can evaluate your airflow challenges and develop a system tailored to your operation.

Ready to create more uniform conditions throughout your greenhouse? Contact Cultivate & Equipment to discuss a custom greenhouse air-distribution system or request a quote today.