Get real-time energy use and track run time on greenhouse heating and cooling equipment with this simple, entry-level advanced controller system. iGrow 100 Series offers four (400 Model) or eight (800 Model) different controls for:• Exhaust Fans • Pad Pumps• Pad Louvers • HAF Fans• Fan Jets • Vents• Shade Curtains • Unit Heaters• Perimeter Heating Systems • Other Equipment