Climate control is what turns a greenhouse from a summer-only space into a year-round growing environment. It comes down to managing three things — temperature, airflow and humidity — with the right mix of ventilation, heating, shading and monitoring. This hub links the equipment for each.
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The three things to control
- Temperature — vent and shade to stop overheating; heat to hold a minimum in winter.
- Airflow — constant gentle air movement prevents disease and evens out heat.
- Humidity — too high breeds disease, too low stresses plants.
The equipment
- Ventilation & fans“>Ventilation & fans — roof/side vents, automatic openers and circulation/extraction fans.
- Heaters“>Heaters — electric, gas or paraffin to hold a minimum temperature.
- Shade cloth“>Shade cloth — cuts summer heat and scorch so vents can cope.
- Thermometers & hygrometers“>Thermometers & hygrometers — you can’t manage what you don’t measure.
Automatic vent openers
2 Pack Solar Automatic Window Opener, Thermal Sensitive Vent Opener KitCheck Price on Amazon
Greenhouse Auto Roof Vent Opener Solar Heat Sensitive Single Spring 15 LbsCheck Price on Amazon
Greenhouse Auto Vent Opener Heat Sensitive Heavy Duty Dual Spring High LiftCheck Price on Amazon
Monitoring
TempPro TempAir Digital Hygrometer Indoor Thermometer with IPX5 WaterproofCheck Price on Amazon
TempPro TP50 Digital Hygrometer Indoor Thermometer Room ThermometerCheck Price on Amazon
Govee Indoor Hygrometer Thermometer H5075 with Bluetooth App ControlCheck Price on Amazon
How it fits together
Start with ventilation and monitoring (the cheapest, highest-impact steps), add shading for summer and a heater for winter as needed. For the how-to behind the kit, see greenhouse temperature, ventilation“>ventilation and humidity guides.
Related guides
- Fans“>Fans · heaters“>heaters · shade cloth“>shade cloth · monitoring“>monitoring
- Cooling · heating · greenhouses hub“>greenhouses hub