From research it seems a temperature sensor is the best way to go but all the ones i ve found for smartthings cap out at 122f.
Attic heat sensor.
I m guessing in the neighborhood of 200f.
This heat alarm is perfect for crawl spaces and garages and has a low battery silencer for a maximum of 8 hours.
Wireless temperature sensors are particularly useful for remote vacation home monitoring during the months that you are not there.
These labels are heat sensitive material that turn black if any heat is ever present that is greater than approximately 300 degrees f.
This won t work as i also had attic fans installed as part of the rebuild and they don t even kick on until 140f to cool the attic so obviously way above 140f is needed.
Iliving 16 wall mounted shutter exhaust thermostat control 3 speeds vent fan for home attic shed or garage ventilation 1200 cfm 1800 sqf coverage area variable silver 4 6 out of 5 stars 548 136 65 136.
The heat detector is rated at 194ºf 92ºc temperature.
The 5602 heat detector is attractive durable and features a combination rate of rise and fixed temperature operation.
Heat sensor labels these are visual warning labels furnished on all aluminum and fiberglass ladders since january 1984.
Amazon s choice for attic thermometer govee wireless thermometer hygrometer mini bluetooth indoor temperature humidity sensor with free data export temp humidity monitor with app alert for home greenhouse pet cigar humidor.
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