fancontrol software package provides utilities to read temperature/voltage/fan sensors, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install fancontrol
fancontrol is installed in your system.
Make ensure the fancontrol package were installed using the commands given below,
$ sudo dpkg-query -l | grep fancontrol *
You will get with fancontrol package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Utilities |
| Package | fancontrol |
| Version | 1:3.3.2-2+deb7u1 |
| Description | utilities to read temperature/voltage/fan sensors |
| Sub Section | Utils |