Explore fan speed controllers at Holland Horticulture — essential for managing airflow and maintaining stable temperatures in your grow room. Our range includes manual and digital controllers, thermostatic options, and advanced twin fan models. Whether you're using intake, extraction, or mixed-flow fans, these devices provide quiet, energy-efficient ventilation control for all grow environments.
Super Pro E1 Fan Controller With Probe
Sale price£38.00
Control Freak Intelligent Fan Controller 5A
Sale priceFrom £13.95
Can-Fan EC Fan Speed Controller for Q-Max
Sale price£154.00
Save up to £225.70
Control Freak Dynamic Frequency Fan Controller
Sale priceFrom £150.00
Regular price£327.00
Variispeed Fan Speed Controller
Sale price£10.00
24 Way Contactor Board With Timer
Sale priceFrom £92.00
TrolMaster Hydro-X Dual Condition Adaptor (DCC-1)
Sale price£69.00
Rhino EC Smart Fan Controller
Sale price£95.00
G.A.S EC 5 Fan Speed Controller
Sale price£150.00
RAM Air- Pro 2 Fan Speed Controller 7amp
Sale price£140.00
G.A.S Enviro Controller V2
Sale price£310.00
TrolMaster Hydro-X Program Control Station (DSP-1)
Sale price£82.00
G.A.S. EC 1 Controller
Sale price£100.00
Control Freak Dual Fan Speed Controller
Sale price£94.95
Multi Phase Digital Fan Speed Controller
Sale priceFrom £22.00
Fan Speed Controller
Sale priceFrom £67.40
G.A.S. EC Speed Controller
Sale price£35.00
G.A.S Interval Timer
Sale price£89.95
Can-Fan EC Speed & Temperature Controller
Sale price£85.95
Mission Controls Twin Fan Speed Controller 4.5A
Sale price£118.00
Mission Controls LogicFan Controller 6.5A
Sale price£49.95
G.A.S. AC 1 Thermostatic Controller
Sale price£60.00
G.A.S. EC 1 Fan Speed Controller
Sale price£78.00
G.A.S. AC-EC Controller
Sale price£225.00
TrolMaster Hydro-X AC Remote Station (ARS-1)
Sale price£98.00
TrolMaster Day/Night Fan Speed Controller (BETA-2)
Sale price£87.00