"Whirly Birds"
"Whirly Birds"
(OP)
Do "whirly birds" .... the roof mounted attic vents that we see on many roofs actually provide proper ventilation. I have even seen some that were running backwards.
When was the last time you drove down the highway without seeing a commercial truck hauling goods?
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RE: "Whirly Birds"
Good ventilation involves a thermostat/humidistat controlled fan.
RE: "Whirly Birds"
RE: "Whirly Birds"
RE: "Whirly Birds"
My experience with whirly birds is that they work quite well and the air extraction is very good... much better than static vents.
Dik
RE: "Whirly Birds"
RE: "Whirly Birds"
You might ask this question of the mechanical guys.
RE: "Whirly Birds"
RE: "Whirly Birds"
RE: "Whirly Birds"
(Sorry, wiping the egg off...) My experience is in Ontario (somewhat humid, but no sea air for corrosion) and in Manitoba (dry)... I've not experienced corrosion issues, but the galvanising on the moveable parts in minimal.
Dik