Unvented gas heater


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Unvented gas heater

Gas-burning space heater that is not vented to the outdoors. Although unvented gas heaters burn very efficiently, indoor air quality experts strongly discourage their use because combustion gases, including high levels of water vapor, are released into the room or building.
References in periodicals archive ?
Using an unvented gas heater in your home is dangerous and a violation of the California Health and Safety Code.
CPSC worked to upgrade the industry standard for unvented gas heaters to provide an oxygen depletion sensor to shut off the heater if the oxygen level drops too low.
Most accidents in the home from carbon monoxide gas are caused by faulty furnaces, hot water heaters or unvented gas heaters.