A system for electrically heating glass configured for installation on a vehicle. The system includes: a transparent metallic layer configured to be mounted to the glass, conduct electrical current, and increase in temperature to heat the glass in response to electrical current running across the transparent metallic layer; a glass temperature sensor configured to sense a glass temperature of the glass; a humidity sensor configured to sense humidity of at least one of cabin humidity inside the vehicle and exterior humidity outside of the vehicle; a cabin temperature sensor configured to sense cabin temperature of the vehicle; an exterior temperature sensor configured to sense exterior temperature outside of the vehicle; and a control module.