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Indoor Flower Greenhouse - Light, Humidity and Venting
Indoor flower greenhouse with even light, controlled humidity and side vents positioned east and west to cut humidity and keep winter cold air out. .
TEL：+86 191 5068 3942
  • Features
Bromeliad plants with orange flower spikes growing in rows under misting irrigation inside an indoor flower greenhouse
Outside view of a row of arched film flower greenhouses behind a landscaped garden with flower beds and benches

What an Indoor Flower Greenhouse Controls:

An indoor flower greenhouse is judged by what it holds steady inside, not by how it looks from the road. Four factors decide the crop: temperature, light, humidity and carbon dioxide concentration. With those under control the flowers grow into quality horticultural products instead of reacting to the weather, the seasonal limit on growth is broken so production and supply run through the year, and species that would never survive locally can be introduced and nurtured in a suitable facility environment. The two photos above show both sides of the house: bromeliads with orange flower spikes under misting irrigation inside, and a row of arched film houses seen from the garden outside.
 

Orientation and Vent Position:

Site the house on land with a low water table, adequate water, convenient drainage and irrigation, and loose, fertile, pollution-free soil. The general requirement for direction is north to south, with the air vents located on the east and west sides. That arrangement earns three benefits that show up in the crop. It helps reduce the humidity inside the house. It reduces the mutual shading between the structure and the stalk crops, so the light falls evenly across the beds. And it keeps the winter ventilation from driving cold northern air straight into the house while still allowing a generous amount of air to be exchanged - the balance between cooling and cold intrusion is the whole point of putting the vents on the sides rather than the ends.
 

Keeping the Air Moving:

Flowers in a closed house suffer more from still, humid air than from cold. Air that sits on the foliage during the night invites botrytis and marks the petals, so the ventilation plan and the internal airflow matter as much as the heater. Circulation fans move air through the canopy without cranking the vents wide open, which keeps the temperature steadier, and the greenhouse irrigation and misting you can see operating in the first photo adds humidity in measured doses instead of soaking the crop. Where the summer load is heavy, shade net over the roof takes the peak out of the light before the vents have to work.
 

Choosing the Structure:

The arched film houses in the second photo are the common choice where light is adequate and the budget matters; the bigger glass greenhouse houses suit growers who need year-round presentation, better light quality and a longer service life. Both forms sit inside the flower greenhouse range and both use a hot dip galvanized steel frame. Whichever you choose, we set the vent position, the shading and the equipment list at the drawing stage, together with the pots and trays from our greenhouse planting tools range.
 

Ordering and Support:

Tell us the flowers you grow and the climate you grow them in, and we will come back with a structure, a vent layout and an equipment list that suit them. You can read about our greenhouse factory, call +86 191 5068 3942 or send an E-mail to sales@cngreenhouses.com.
 
We have supplied growers and project contractors across Africa, South Asia, the Middle East and Latin America for many years. Horticultural production guidance is published by organizations such as the USDA, and floriculture news is reported by trade media such as Greenhouse Grower.
 

Frequently Asked Questions:

Q: Where should the vents be on an indoor flower greenhouse?
A: On the east and west sides, with the ridge running north to south. Side vents reduce humidity inside, even out the light across the beds, and keep winter ventilation from driving cold northern air straight in while still exchanging plenty of air.
Q: Which four factors must the house control?
A: Temperature, light, humidity and carbon dioxide concentration. Holding those steady is what turns a house from a shelter into a production facility.
Q: Why is air movement so important for flowers?
A: Still, humid air sitting on the foliage overnight invites botrytis and marks the petals. Circulation fans keep air moving through the canopy without opening the vents wide, so the temperature stays steadier too.
Q: Should I use misting in a flower greenhouse?
A: Misting adds humidity in measured doses, which suits crops such as bromeliads, but it must be controlled. Soaking the crop encourages disease, so misting belongs with a ventilation and shading plan rather than instead of one.
Q: Film house or glass house for flowers?
A: An arched film house is the common choice where light is adequate and budget matters. Glass suits growers needing year-round presentation, better light quality and a longer service life. Both use our hot dip galvanized steel frame.
Q: Can the house grow flowers that are not native locally?
A: Yes. For species not suited to local cultivation, the house creates a suitable facility environment, so flowers outside their natural range can be introduced and nurtured instead of written off.
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