The sensible way to do this would be to put a few wireless temperature-logging probes around the house, and log all that data with a computer. A temperature sensor, microcontroller, wireless ...
and various sensor interfaces. The wireless thermostat project uses two of these boards; one monitors the temperature on the second floor and the other controls the furnace in the basement.
LPWA industrial sensors comprise a module for temperature or pressure measurement coupled with a wireless communication module. When the modules are connected, program and parameter settings stored on ...