911.0 Decorative Appliances for Installation in Vented Fireplaces

Decorative appliances for installation in vented fireplaces shall not be installed in bathrooms or bedrooms unless the appliance is listed and the bedroom or bathroom has the required volume in accordance with Section 701.4. [NFPA 54:10.6.1] [OSHPD 1, 1R, 2, 4 & 5] A vented decorative appliance shall not be located in any hospital, skilled nursing facility, intermediate care facility, or correctional treatment center.

A decorative appliance for installation in a vented fireplace shall be installed only in a vented fireplace having a working chimney flue and constructed of noncombustible materials. These appliances shall not be thermostatically controlled. [NFPA 54:10.6.2]

TABLE 911.2
FREE OPENING AREA OF CHIMNEY DAMPER FOR VENTING FLUE GASES FROM UNLISTED DECORATIVE APPLIANCES FOR INSTALLATION IN VENTED FIREPLACES
[NFPA 54:TABLE 10.6.2.3]

MINIMUM PERMANENT FREE OPENING (square inches)*
CHIMNEY HEIGHT (feet)	8	13	20	29	39	51	64
	APPLIANCE INPUT RATING (Btu/h)
6	7800	14000	23200	34000	46400	62400	80000
8	8400	15200	25200	37000	50400	68000	86000
10	9000	16800	27600	40400	55800	74400	96400
15	9800	18200	30200	44600	62400	84000	108800
20	10600	20200	32600	50400	68400	94000	122200
30	11200	21600	36600	55200	76800	105800	138600

For SI units: 1 foot = 304.8 min, 1000 British thermal units per hour = 0.293 kW, 1 square inch = 0.000645 m²

A listed decorative appliance for installation in a vented fireplace shall be installed in accordance with its listing and the manufacturer's installation instructions.

An unlisted decorative appliance for installation in a vented fireplace shall be installed in a fireplace having a permanent free opening, based on appliance input rating and chimney height, equal to or greater than that specified in Table 911.2. [NFPA 54:10.6.2.3]

A fireplace screen shall be installed with a decorative appliance for installation in a vented fireplace. [NFPA 54:10.6.3]