remote temp. monitor or alarm
It's kinda overkill, but temperature, humidity, propane level
and such are ALL of some importance, so maybe you
should consider a WiFi webcam/security camera setup.
Aim it at any bunch of thermometers and indicators you
can cobble up, and monitor it all at its own local web
site...
http://www.pimfg.com/Product-Detail/IP-CAM-8905W
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