§ 139.02  UNVENTED HEATERS.
   (A)   A brazier, salamander, space heater, room heater, furnace, water heater, or other burner or heater using wood, coal, coke, fuel oil, kerosene, gasoline, natural gas, liquid petroleum gas, or similar fuel, and tending to give off carbon monoxide or other harmful gases:
      (1)   When used in living quarters, or in any enclosed building or space in which persons are usually present, shall be used with a flue or vent so designed, installed, and maintained as to vent the products of combustion outdoors;
      (2)   When used as a portable or temporary burner or heater at a construction site, or in a warehouse, shed, or structure in which persons are temporarily present, shall be vented as provided in (A)(1) above, or used with sufficient ventilation to avoid the danger of carbon monoxide poisoning.
   (B)   This section does not apply to domestic ranges, laundry stoves, gas logs installed in a fireplace with an adequate flue, or hot plates, unless the same are used as space or room heaters.
   (C)   No person shall negligently use, or, being the owner, person in charge, or occupant of premises, negligently permit the use of a burner or heater in violation of the standards for venting and ventilation provided in this section.
   (D)   Whoever violates this section is guilty of a misdemeanor of the first degree.
(R.C. §§ 3701.82, 3701.99)