Hi Jeff, the EU3000S1AG is the model number for the new EU3000iS with CO-MINDER™ that offers an advanced carbon monoxide detection system
Hello, we are not sure what you mean by earthquake safety, but you can certainly power your refrigerator with this generator.
Yes. It is the new EU3000iS With CO-Minder: advanced carbon monoxide detection system.
Yes, it is an inverter generator and suitable for use with sensitive equipment, including medical devices.