You would have to have a serious heat differential from inside to outside for that too work.  And it still wouldn't get you closer than a hammer.  Also, most attics are ventilated so they would be close to the outside temp anyway.  Usually the insulation is on the ceiling not under the roof.

On a cold night with a vaulted ceiling is the only time it "might" work.

Ray Walters
Remote Solar
303 505-8760

On 8/4/20 12:19 PM, Solar Energy Solutions wrote:
We have spent a lifetime hoping, searching, dreaming of an easy and affordable means of finding roof rafters.  Has anyone used the Flir One for smart phones with any kind of success to accomplish this task???

P.S.  We are well aware of how inexpensive hammers are!

**Andrew Koyaanisqatsi**
*President*
**Solar Energy Solutions, Inc.
/The BRIGHT CHOICE/
**
*Since 1987,**helping you and your Portland neighbors
move**towards an environmentally sustainable future.*
**503-238-4502
www.SolarEnergyOregon.com <http://www.solarenergyoregon.com/> **

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