Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Tools and Equipment (hierarchy name)
5. equipment
6. [equipment by process]
7. [fire-making and controlling equipment]
8. fireplace accessories

Anotations

Scope note:

Metal, often cast-iron inserts designed to fit fireplace openings. Some are made to provide an alternative to wood burning, with gas, electricity, coal, or other fuel. Others burn wood but increase heat efficiency. Historically these have appeared in a variety of forms, often ornamental.