freedomnow Posted June 23, 2022 Share Posted June 23, 2022 Trying to locate a place that sells passive roof heat extractor chimneys.... More like this with a whirly on top.. than the industrial 1 metre wide silver bulb ones with fins that are OTT... Link to comment Share on other sites More sharing options...
Popular Post Will B Good Posted June 23, 2022 Popular Post Share Posted June 23, 2022 Readily available in the big hardware stores I would have thought.......the problem will be finding someone competent enough to fit it and not have it leak. 2 1 Link to comment Share on other sites More sharing options...
yeahbutif Posted June 23, 2022 Share Posted June 23, 2022 Lazda has loads small and big comes with or without a roof sheet .search wirly bird roof vents Link to comment Share on other sites More sharing options...
lopburi3 Posted June 23, 2022 Share Posted June 23, 2022 4 minutes ago, yeahbutif said: Lazda has loads small and big comes with or without a roof sheet .search wirly bird roof vents Search No Result We're sorry. We cannot find any matches for your search term. 1 Link to comment Share on other sites More sharing options...
VocalNeal Posted June 23, 2022 Share Posted June 23, 2022 Turbine roof vent 1 Link to comment Share on other sites More sharing options...
bolt Posted June 23, 2022 Share Posted June 23, 2022 1 hour ago, Will B Good said: Readily available in the big hardware stores I would have thought.......the problem will be finding someone competent enough to fit it and not have it leak. They always tell you "Yes No ploblem I can do" then when it starts to leak they suddenly go to Bangkok or have COVID and are unable to return to make any sort of repair 1 Link to comment Share on other sites More sharing options...
scorecard Posted June 23, 2022 Share Posted June 23, 2022 Before buying a revolving 'turban' type product check how well it's manufactured and check the gap between the static part and the revolving part. If not well designed and built the two parts can easily touch each other, causing break down of these sections of the product and loud noises. With all such products get a couple of rcommendations from users, especially re noise. Many, when revolving, especially revolving fast build a quite loud revolving 'take off' noise which is loud and unpleasant. A friend in Sydney had several installed in the roof of his large house. He got a qualified engineer to design a prototype, when it worked well they went ahead and built/installed 4 or 5 across the roof and with good results to pump air out. The designer insisted on using a very large industrial ball bearing between the static and revolving components which markedly reduced vibration and noise, and helped to bring higher speed and better effectiveness. Cost a fortune but highly effective. 2 Link to comment Share on other sites More sharing options...
VocalNeal Posted June 23, 2022 Share Posted June 23, 2022 Not something I would buy sight unseen. I would need to touch it first. Link to comment Share on other sites More sharing options...
freedomnow Posted June 23, 2022 Author Share Posted June 23, 2022 (edited) Yes, I prefer the other passive types if I can choose - https://myroofhub.com/materials/roof-vents-attic-ventilation/ but cannot dig them up here online so far....only the whirlies https://www.onestockhome.com/en/products/51129365/turbine-ventilation-roman-tile-natural-system_alloy-materials Edited June 23, 2022 by freedomnow Link to comment Share on other sites More sharing options...
scorecard Posted June 23, 2022 Share Posted June 23, 2022 47 minutes ago, VocalNeal said: Not something I would buy sight unseen. I would need to touch it first. Yep, touch it, smell it, lick it, kiss it, listen to it, check if instalation is available by experienced people and check the price. Link to comment Share on other sites More sharing options...
brianthainess Posted June 24, 2022 Share Posted June 24, 2022 As said they can become noisy, rust and start rattling. My friend has one and he has to get up there to oil it, his comes directly down into the room so he has had to fit a removable mozy screen also. I would check out how to make a passive roof cooler. Link to comment Share on other sites More sharing options...
unblocktheplanet Posted June 24, 2022 Share Posted June 24, 2022 If one lives in a mooban, in a shophouse or attached house, nothing you do to your own roof will get you cooler. Heat comes from connected Siamese attics. 1 Link to comment Share on other sites More sharing options...
yeahbutif Posted July 4, 2022 Share Posted July 4, 2022 Home Pro don't sell them but they did say meghome......I took a chance from lazada in the end ..works well under 2000 bhat comes with roof sheet. For a 14 inch... Just make sure you get the right sheet .as there seems to be a few different profiles of sheets... Link to comment Share on other sites More sharing options...
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