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Old 12-01-11, 06:25 PM   #149
AC_Hacker
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Viking House,

I just noticed that on your Viking House page, you said,

Quote:
"Water Vapour and CO2 levels equalise rapidly in air at speeds of + - 500m/sec so they don’t need to be chased around the house with ducts..."
I just looked it up and the speed of sound is 343.2 metres per second, so your Heat Exchange Ventilator appears to be Super-Sonic.

Do you have problems with the sonic boom when the unit is operating?

Concerned,

-AC_Hacker
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