527 CMR 30.00 UNVENTED PROPANE OR NATURAL GAS-FIRED SPACE HEATERS
(6)Space heaters shall be properly sized for the room or space of installation, but shall not exceed a maximum of 40,000 BTU input
per room or space.
(7)In occupancies with an unvented propane or natural gas-fired space heater, at least one listed carbon monoxide detector shall be
installed and maintained in any room or space where said heater has been installed in accordance with the manufacturers instructions.
Any building wherein said heater is to be installed shall, as a precondition to such installation, have working smoke detectors installed
and maintained in accordance with the requirements of 780 CMR (State Board of Building Regulations and Standards) in effect at the
time of construction or if no said requirement was in effect at the time of construction, installed as provided for in M.G.L.c. 148,
§26E.
(8)In rooms and buildings served by an unvented propane or natural gas-fired space heater, a primary source of heat, which is
operable, shall be permanently installed and maintained in said building in accordance with 105 CMR (Department of Public Health).
(9)Sellers of unvented propane or natural gas-fired space heaters shall provide to each purchaser a copy of 527 CMR 30.00 upon sale
of the unit.
30.05: Maintenance and Operation
(1)The maintenance and operation of unvented propane or natural gas-fired space heaters shall be in accordance with the
manufacturer’s instructions. The manufacturer’s instructions shall be left with the appliance and made available for any public
official.
(2)Any malfunction of an unvented space heater shall forthwith be reported by the owner to the head of the local fire department.
REGULATORY AUTHORITY
527 CMR 30.00 M.G.L. c. 148, §25A
20
