Use "electric heater" em uma frase

1. I managed to explain, so he took my arm and led me to the police post at the end of the concourse containing a desk, chair, and a large electric heater going full blast

2. Zeke had another rummage in the pile of junk in the corner of his shed and produced an old, two bar, electric heater

3. The rover has an electric heater that pushes air with a small fan