Knowledge

Technical insights for professional indoor cultivation

Explore the technology, engineering principles and practical decisions behind professional cultivation environments.

From climate control and LED lighting to CO₂ management, irrigation and system integration, we share technical knowledge, practical experience and insights from working with leading equipment manufacturers.

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24 hours inside a controlled room

Knowledge · one day in the grow roomThe shift from HPS to LED lighting has fundamentally changed indoor climate control. With traditional HPS lighting, excess heat required frequent cooling, which also removed moisture from the air. LED lighting produces significantly less heat, reducing the need for cooling while plants continue to release moisture through transpiration. As a result, humidity control has become an increasingly important challenge. A properly designed climate control system manages both temperature and humidity throughout the entire day and night cycle, maintaining optimal growing conditions.
04:00
Night

Holding the night

When the lights go off, temperatures drop while humidity can rise. An integrated climate control system actively manages temperature and humidity, providing dehumidification and heating when needed to maintain optimal growing conditions.

Before sunrise

Preparing for sunrise

Before the lights turn on, the climate system gradually preheats the room to reach the desired daytime temperature, preventing sudden temperature changes and preparing the plants for the day ahead.

Sunrise

Simulating sunrise

Advanced lighting control simulates a natural sunrise, starting with red light before gradually increasing the full LED intensity. Climate control adjusts to the increasing heat load, maintaining stable growing conditions. As light intensity increases, CO₂ enrichment supports photosynthesis. Sensor-based control maintains the desired CO₂ level while the climate system regulates temperature and humidity.

Full light

Precision climate control

At full light intensity, heat load and plant transpiration reach their peak. Advanced climate control maintains exceptional stability, with temperature deviations as low as ±0.2 °C and humidity within ±4% RH of the setpoint, while CO₂ enrichment supports optimal photosynthesis.

Sunset

A smooth transition

As the lighting gradually dims, CO₂ enrichment stops and the climate system begins a controlled cooldown, maintaining humidity as the room transitions towards nighttime conditions.

Far-red

Preparing for the night

After the main lights switch off, an optional far-red light phase helps accelerate the plant's transition into its nighttime cycle.

Flowering cannabis plant in an indoor grow room
Lights 0%Flower room 12/12
Temperature21.0°C
Rel. humidity60%
CO₂450ppm
Light spectrum
400500600700 nm
00:0006:0012:0018:0024:00

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