A Great Little Fan Sep 01, 2016

I bought this in-line fan to pump warm air into a chase containing hot and cold water pipes. When outdoor temperatures drop below 15 degrees Fahrenheit, the air in the chase falls below freezing, so I was worried that the pipes would freeze. This little fan together with flex duct (I stripped away the outer insulation) solved the problem. I have a thermostat in the chase and a control system that turns on the fan when the chase temperature drops below 40 degrees F. Now I can spend time... more

Good Unit Oct 05, 2016

Replaced out a Rheem 90% with this unit. Easy installation. Very quite running. Seems to run less than the old unit. Highly recommend.

Quiet, Quiet, Quiet Aug 15, 2016

While I haven't yet installed the fan, I did unbox it and plug it in. I'm no acoustic engineer, but I could barely hear it operate and that was at the motor end. I'm not sure what 45 dB sounds like or maybe I'm hard of hearing - my wife tells me I'm hard of listening but this thing is quiet and that's with it strung out on the hardwood floor. Can't imagine with the motor head suspended in the attic. The volume of air was pretty impressive, a strong woosh without a lot of turbulence. This... more

Excellent Oct 28, 2016

Works amazing..extremely quiet. Would recommend it.

Quality Aug 19, 2016

Have used Runtal UF series before and the quality is excellent. Now if they could sneak more BTUs per foot.