Greenhouse Fogging System

Today’s horticulture calls for an environment continuously monitored and controlled for optimal quality and production. Our VAI fogging / misting system provides the tools you need to maintain even, constant temperature and humidification – integrated with your climate computer to work in concert with your ventilation system and other control element.

Benefit by using Greenhouse Fogging System reduce energy costs, optimize growing conditions and maintain the competitive edge over your competition.

VAI Cooling system highly pressurized fog flash evaporates. When the system cycles, it maintains between 1000 and 1800 PSI. At this pressure, the water is released in such small particles that it immediately evaporates and absorbs the heat energy, leaving cool air behind to fall below onto the crop.

Grow year-round in any climate and reduce plant stress — In hot, arid climates, grow successfully through the summer months with the maximum cooling potential. In colder climates, maintain optimal humidity to maintain nutrient uptake and plant health through the heating season.

Optimize propagation — Control the propagation of young plants and seedlings by maintaining constant humidity levels. The correct environment allows faster and more even rooting for maximum output.

Even distribution means even growth and production — Grids of nozzles are positioned strategically throughout the greenhouse. Billions of 10-micron water droplets instantly flash evaporates to cool the air and add humidity, based on your plants’ needs.

Anti-drip design — VAI’s anti-drip nozzle design ensures that there are no drips or excess drain water that can damage crops if not controlled.

Fast, easy installations — Stainless steel or flexible nozzle lines provide versatile design options and make installation a breeze.

Responds to outside climate conditions– When the outside climate is not favorable for passive cooling using ridge ventilation, these systems will engage via your environmental control.

Suitable for extreme weather- Evaporative cooling systems are made for use during extreme conditions in gutter-connect and free-standing greenhouses.

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Lowers greenhouse temperature- When used in tandem with shade systems, evaporative cooling pads can decrease air temperatures in a greenhouse up to 27 degrees.

Increases CO2 absorption- Plants gather carbon needed for growth in the form of carbon dioxide through the leaves; controlling the plants pores through the use of a properly designed misting system can allow for higher levels of CO2 absorption, and therefore more productive and disease free crops.

How it Works


Greenhouse misting systems are engineered on the evaporation principle. They use evaporative mist cooling to cool plants naturally.

One of the best methods growers use is a fogging system to regulate humidity and create an ideal setting for plants to grow. Fogging is essentially a visible cloud of water droplets suspended in the air, both cooling and moisturizing the grow environment.

The fogging system applied with high pressure separates the water into invisible particles and turns it into the fog. Pressurized water thinned with nozzles in high-pressure units can be injected into the desired environment. The thinness of the water is directly proportional to the type of nozzle used.