Why do you need a flue with a gas fire and not a gas cooker?
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The gas cooker is using the air around it to burn and because its not using the same volume of gas as a hot water or heating boiler it does not need to have the exhaust gas's piped to the outside air. On new of refitted kitchens extractor hoods that have fans or passive ventilation have to be fitted. This is not because of fumes though its more about smoke or steam.
i don't know but i think it maybe because of the higher gas output
Because the gas or Cole fire burns or heats up other objects and makes them glow this causes fumes to be omitted form the process,, a gas hob or oven burns the gas and only heats up the surrounding air or the bottom of a pan which dose not glow(unless you leave a pan on the gas if it burns out you will get that aw full smell,,, that's the fumes,, and that's why you need a flu for a gas fire or any other fire but you still need to have a vent in the room where the gas appliance is
that a good question and I am looking forward to the amswers.
My guess is that a cooker burns a lot less gas than a fire. But hey leave the oven on for an hour or two and...
You Dont. They now sell Gas fire place kits that are ventless.
I thought that burning gas with an orange flame (gas fire) produces carbon monoxide and required a flue, where as a blue flame (gas cooker) was a cleaner flame. I may be wrong but that's always been my understanding.
domestic ovens,grills or any combination can be installed in any room other than a bedsitting room without a permanent vent as long as the room is larger than 10 cubic metres in volume and has an opening window and door with direct access to outside.
1 cubic metre of gas when burned requires 2.062 cubic metres of oxygen and since the atmosphere consists of 21 per cent oxygen then the air requirement for the complete combustion of 1 cubic metre of natural gas is - 2.062x100divide by 21=9.8 cubic metres of air approx. 10 cubic metres therefore 1cubic metre of gas requires 10 cubic metres of air for complete combustion.This condition is satisfied in most normal sized kitchens making the need for a chimney unnecessary
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