1. "Fireplace" means a built-in place masonry hearth and fire chamber or a factory-built appliance designed to burn solid fuel or to accommodate a gas or electric log insert or similar device, and which is intended for occasional recreational or aesthetic use, not for cooking, heating, or industrial processes.

2. "Solid fuel" means and includes, but is not limited to, wood, coal or other nongaseous or nonliquid fuels, including those fuels defined by the Maricopa County Air Pollution Control Officer as "inappropriate fuel" to burn in residential woodburning devices.

3. "Woodstove" means a solid-fuel burning heating appliance including a pellet stove, which is either freestand or designed to be inserted into a fireplace.

1. A fireplace which has a permanently installed gas or electric log insert;

2. A fireplace, woodstove or other solid-fuel burning appliance that has been certified by the United States Environmental Protection Agency as conforming to 40 CFR Part 60, Subpart AAA, or any amendments thereto;

3. A fireplace, woodstove or other solid-fuel burning appliance that has been tested and listed by a nationally recognized testing agency to meet performance standards equivalent to those adopted by 40 CFR Part 60, Subpart AAA, or any amendments thereto;

4. A fireplace, woodstove or other solid-fuel burning appliance that has been determined by the Maricopa County Air Pollution Control Officer to meet performance standards equivalent to those adopted by 40 CFR Part 60, Subpart AAA, or any amendments thereto; or

5. A fireplace that has a permanently installed woodstove insert that complies with paragraphs 2, 3 or 4 above.

1. Furnaces, boilers, incinerators, kilns and other similar space heating or industrial process equipment;

2. Cookstoves, barbecue grills and other similar appliances designed primarily for cooking; and

3. Firepits, barbeque grills and other outdoor fireplaces.