Yes carbon monoxide inside the home is certainly a danger and that s the best reason to get rid of unvented gas space heaters.
Ventless gas wall heater problems.
Research from the gas research institute indicates that some ventless gas heaters are oversized for the rooms they are intended to heat.
An oxygen depletion sensor ods on unvented gas heaters and fireplaces shuts off the gas flow if the oxygen level drops below 18 an indicator that not enough fresh air is getting into the house but the ods does not detect carbon monoxide or other hazardous emissions.
Even gases other than carbon monoxide can cause respiratory problems if they re present in large enough quantities and or someone in the home has sensitivity to that gas.
A ventless fireplace view example on amazon contains a regulator that produces a fine mixture of gas and air in a way that allows the gas to burn cleanly.
Gas wall heaters whether vented or unvented can supply enough heat to warm a small or medium sized room and they can operate with propane or natural gas.
If there is no thermostat or the thermostat is set correctly the problem is usually related to air flow.
The absence of a venting mechanism results in indoor moisture accumulation.
Excessive water vapor being emitted from your vent free gas fireplace can cause your wallpaper to peel as well as other structural damage.
The first factor in how safe a heater that is ventless is the gas you use for it.
This can result in flue gas and water vapor emissions in.
This can cause problems in the building s structure peeling of paint and excessive humidity.
Carbon monoxide results from incomplete combustion of natural gas.
There are propane and gas models available.
It s just never a good idea to burn a fuel inside your home without having a vent for the combustion gases.
As the ventless gas fireplace produces heat it also generates a considerable amount of moisture.
This greatly reduces the fumes.
Propane has been a good way to heat many homes for a lot of years now but the safety precautions you need to take when using it should be always practiced.
Ventless is the key word behind the moisture problem in this room.