Jan. 6th, 2005

armb: Dog jumping in water (Default)
Fix the occasional downdraught in the chimney at our end of the house. Building it up above the roofline is implausible. Any opinions on the relative merits of various types of anti-downdraught cowls, like these?
http://www.ohlimited.co.uk/index.htm
http://www.hotline-chimneys.co.uk/cowls_stationary_downdraught.htm
http://www.hotline-chimneys.co.uk/cowls_revolving_downdraught.htm
http://www.fluesystems.com/cowls/index_staticantidown.htm
http://www.fluesystems.com/cowls/index_revolving.htm
(The other chimney in the house is used less, and is higher, and isn't chilled by being on an end wall.)

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