"Okapi Solar Calculator App" for Android: Buy it now on Google Play!Our Okapi Systems Models with Wireless Modules are available for purchase from our website.Finally, see how awesome your solar air heater is with Real Data, viewed in Real-Time!We design and develop serviceable and robust electronic control systems for clean technologies.Our "Okapi Fan Control Systems" cleverly drive variable-speed fans that can blow the heat out of your closed-loop Solar Air Heater where you need it most: at the floor level. Make the Next Generation Proud (TM)