I have one of those typical round attic ventilators, that just removes the heat from the attic. Is there a device I could add to ST that will tell me if the fan is on or off? I don’t want it controlled by a WeMo switch or other remote switch, just indication.

No just a dome on the roof with a screen mesh and a fan mounted parallel to the roof and the dome, so no place that opens when the fan is on and closed when off.

You can probably attach a battery operated vibration sensor nearby and use that, the way some people do to alert when their dryer stops running. Not something that monitors the power draw, which is more accurate but needs to be wired or plugged in. Just something that senses the shaking and notifies…

I am going to try a SmartThings Multi sensor that detects vibration and see if that works. I will post my results.

attic ventilation goal is usually temperature control to maximize roof lifetime, with a nice side effect of reducing cooling load. So a high temperature monitor would be useful, and the smartsense multi can do that also. It would be amusing to put the magnet on a blade and the sensor on a brace, a…

Actually this house is very well sealed and the humidity sensor turns on the fan in the winter to prevent moisture buildup and condensation which is very damaging. And I have used my Smart Sense temp/hum sensor to see if it actually reduces the humidity and the fan does the job. I have neighbors tha…

It will be nice as long as it works. I will post the results.

I purchased the Smart Sense Multi sensor and just attached it to the frame of the fan motor and I now have the temp in the attic and the indication of the fan being on by the vibration sensor. It works great. I don’t use the open close so that is just wasted. I ty-wrapped the magnet to the sensor so…

Let me ask a stupid question but seriously. If I place a battery operated Sensor in the attic… Can the battery explode due to the heat up there?

More likely to leak than to explode, but just check the operating specs. 135 - 140 degrees is pretty typical for summer heat in an attic, although obviously there’s s lot of variation. Also, right near a vent is often 10 - 15 degrees cooler than in a more enclosed section. http://www.inspectionn…

On or off indication for Attic exhaust fan

Devices & Integrations

baconface (Jared) June 7, 2015, 5:40am 10

Nice project, @joelw135!

Honeywell Total Connect Comfort DTH

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On or off indication for Attic exhaust fan

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