At Holland Horticulture, take full control of your grow room environment with our complete range of climate control equipment for hydroponics, soil, and coco systems. From powerful extraction fans and reliable heaters to advanced humidifiers, dehumidifiers, and digital climate controllers, we supply everything you need to maintain perfect temperature, airflow, and humidity year-round.
Trusted by indoor and commercial growers across the UK, our high-performance climate control products are designed to keep your plants thriving from propagation to harvest — ensuring healthier growth, faster development, and maximum yields in every season.
G.A.S. EC Speed Controller
Sale price£35.00
Evolution CO2 Controller Kit Complete
Sale price£740.01
Trolmaster Temp/Humidity Station (HS-1)
Sale price£122.95
TrolMaster Water Content Sensor (WCS-1)
Sale price£255.00
TrolMaster 24V Control Board (OA6-24)
Sale price£96.95
G.A.S Interval Timer
Sale price£89.95
TrolMaster 16ft Extension Cable (ECS-4) for Aqua-X
Sale price£21.95
Top Climate Supreme 15000
Sale price£5,860.95
Can-Fan EC Speed & Temperature Controller
Sale price£87.50
Mission Controls Twin Fan Speed Controller 4.5A
Sale price£118.00
Mission Controls LogicFan Controller 6.5A
Sale price£49.95
Revolution AC Stratos Fan 8" 200mm
Sale price£191.95
G.A.S. AC 1 Thermostatic Controller
Sale price£60.00
G.A.S. EC 1 Fan Speed Controller
Sale price£78.00
Quest CDG 74 Portable Dehumidifier
Sale price£2,195.00
OCL - CO2 Sensor
Sale price£565.99
TrolMaster - Thermostat Station (TS-2)
Sale price£122.95
TrolMaster Hydro-X Thermostat Station (TS-1)
Sale price£109.95
G.A.S. AC-EC Controller
Sale price£225.00
TrolMaster Hydro-X Water Dectector (WD-2)
Sale price£74.95
TrolMaster Hydro-X AC Remote Station (ARS-1)
Sale price£109.95
TrolMaster Digital CO2 PPM Controller (BETA-8)
Sale price£305.95
TrolMaster Day/Night Digital Humidity Controller (BETA-6)
Sale price£106.00
TrolMaster Day/Night Fan Speed Controller (BETA-2)
Sale price£87.00
TrolMaster Hydro-X CO2 Sensor (MBS-S8)
Sale price£225.95
TrolMaster Hydro-X Smoke Detector (MBS-SD)
Sale price£58.95
TrolMaster Hydro-X CO2 Control Station (DSC-1)
Sale price£89.95
TrolMaster Hydro-X 3 in 1 Environment Control System (HCS-1)
Sale price£351.95
TrolMaster Hawkeye Temperature, Humidity & CO2 Monitor (CM-1)
Sale price£229.95
Ona Mist Dome - White
Sale price£21.99
OptiClimate 10000 Pro 3 Split
Sale price£4,390.00
Temperature/Humidity Controller
Sale price£194.05
ISO Acoustic Box Fan 12" 315mm
Sale price£556.65
Evolution CO2 Analyser
Sale price£347.25
Day & Night Temperature Controller
Sale price£90.00
Uvonair UV-80H
Sale price£384.95
Garden Highpro HumiPro Humidifier - 4L
Sale price£50.00
Uvonair CD1200
Sale price£1,088.99
Vents Acoustic KSA-U Box Fan 10" 250mm
Sale price£329.95
Grow Room Climate Control for Hydroponics & Indoor Gardens
Keep your grow room perfectly balanced with Holland Horticulture’s complete range of climate control equipment. From fans and heaters to humidifiers, dehumidifiers, and digital climate controllers, we stock everything needed to create the ideal growing environment. Maintain consistent temperature, humidity, and airflow to support healthy plants and maximise yields year-round.
Shop trusted UK brands and professional climate systems designed for grow tents, hydroponic rooms, and commercial growing spaces. ...
Why Grow Room Climate Control Matters
Stable environmental conditions are vital for plant health. Effective ventilation and air movement prevents mould, heat stress, and stagnant air, while precise temperature and humidity regulation boosts nutrient uptake and photosynthesis. Whether you’re growing in soil, coco, or hydroponics, the right climate setup ensures faster growth and higher yields.
Our Range Includes:
Why Buy from Holland Horticulture?
Shop Now – Explore our full climate control equipment range and optimise your grow room environment for healthier, more productive plants.
Keep your grow room perfectly balanced with Holland Horticulture’s complete range of climate control equipment. From fans and heaters to humidifiers, dehumidifiers, and digital climate controllers, we stock everything needed to create the ideal growing environment. Maintain consistent temperature, humidity, and airflow to support healthy plants and maximise yields year-round.
Shop trusted UK brands and professional climate systems designed for grow tents, hydroponic rooms, and commercial growing spaces. ...
Why Grow Room Climate Control Matters
Stable environmental conditions are vital for plant health. Effective ventilation and air movement prevents mould, heat stress, and stagnant air, while precise temperature and humidity regulation boosts nutrient uptake and photosynthesis. Whether you’re growing in soil, coco, or hydroponics, the right climate setup ensures faster growth and higher yields.
Our Range Includes:
- Grow Room Heaters – Maintain consistent warmth during cooler months.
- Humidifiers & Dehumidifiers – Achieve the perfect humidity for propagation or flowering.
- Climate Controllers – Automate temperature, humidity, and fan control.
- Thermometers & Hygrometers – Monitor growing conditions with precision.
Why Buy from Holland Horticulture?
- UK’s trusted supplier for hydroponic climate control systems
- Wide range of fans, heaters, humidifiers, and controllers
- Expert advice and fast UK delivery
- Perfect for grow tents, indoor gardens, and hydroponic setups
Shop Now – Explore our full climate control equipment range and optimise your grow room environment for healthier, more productive plants.