We aim to increase the efficiency of wind turbines starting with blade icing. Our patent pending device is an internal blade heating retrofit, which is installed inside the rotor blades. It is easy to install, no cranes or no rope access required. The device is able to de-ice the rotor blades in under 90 minutes at -5°C which allows wind farms to reclaim up to 96% of power that would otherwise be lost to icing.