Fireplace

Fireplace means a wood-burning appliance intended to be used primarily for aesthetic enjoyment and not as a space heater. An appliance is a fireplace if it is in a model line that satisfies the requirements in paragraphs , (2) or (3) of this definition.

Source

40 CFR § 60.531

Scoping language

As used in this subpart, all terms not defined herein have the meaning given them in the Clean Air Act and subpart A of this part.