Can an extractor cooker hood be fitted so that the extracted fumes are passed through an existing chimney i.e. the original kitchen chimney breast from the days of cooking on solid fuel stoves.
cooker hood
- Thread starter bablegs
- Start date
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And you'd have to use a fan that is capable of pushing up the height of the chimney. Most fans are only good for 3 meteres or so.
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However...
There is the point that if the chimney is open at the top, natural convection will tend to take hot or moist air up it from the cooker below, even if there is no fan.
You will need a vent or grill for fresh air to enter the kitchen to replace that which escapes upwards. And there will be grease deposits so some kind of fireproof duct would be needed all the way up.
I agree that an ordinary extractor hood venting through the wall could be less trouble.
Or you could try asking the cust serv depts of major makers of extractor hoods, they will probably have come across the question before.
There is the point that if the chimney is open at the top, natural convection will tend to take hot or moist air up it from the cooker below, even if there is no fan.
You will need a vent or grill for fresh air to enter the kitchen to replace that which escapes upwards. And there will be grease deposits so some kind of fireproof duct would be needed all the way up.
I agree that an ordinary extractor hood venting through the wall could be less trouble.
Or you could try asking the cust serv depts of major makers of extractor hoods, they will probably have come across the question before.
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