A heating unit or heater unit was a device that warmed an establishment.
- Star Wars Technical Journal of the Planet Tatooine (As "space heater")
- Star Wars Technical Journal (As "space heater")
- Platt's Starport Guide
- Galladinium's Fantastic Technology (As "heating unit," "heat induction coil," "heat generator")
- Shadows of the Empire Sourcebook
- Gundark's Fantastic Technology: Personal Gear