This paper presents a novel approach for an effective and temperature controlled communication between environments by controlling the devices of daily use via internet. This research work is done by designing a key generator for every device that is supposed to be controlled. The generated key is added as an address with the device and can be accessed by internet. For this task, designing of thermally efficient key generator i.e. Fibonacci Generator is designed in our Xilinx Simulator. This circuit is then analyzed for variety of ambient temperatures (21°C, 41°C, 61°C, and 71°C) and various classes of LVCMOS are taken as I/O standard. It has been observed that with the increase in frequencies, the temperature also rises. The junction temperature at 21°C is 19, 12, 9.3 and 1.7 reduced for LVCMOS12 as compared to LVCMOS25 at 1GHz. The recommendable junction temperature is less than 125°C. © 2015 IEEE.