In addition to applicable requirements in NFPA 54, §10.22.3, Installation of Specific Appliances, room heaters in schools, day care centers, foster homes, hotels or other similar buildings or rooms used for temporary lodging shall be vented and equipped with a safety shut-off device, except that room heaters with 40,000 Btu or less input and infrared heaters are not required to be vented, but shall have a safety shutoff device and an oxygen depletion system (ODS).
16 Tex. Admin. Code § 9.306