Mandatory Feature Set:

1) Ability to designate a thermostat as the master, from which the system polls the process temperature.

2) Use an already owned Linux set top box as the private server for Sparkfun's Data platform.

3) Run off DC wall warts.

4) Fail Safe.

5) Ascetically pleasing, i.e. wife approved.

Desired Long Term Features:

1) Create a webpage on the Linux box allowing the HVAC system to be configurable by mobile devices.

2) use a SDR to capture the frequency and protocol for the wireless fan remotes in the den and master bedroom. Implement the ability to control the fan via the thermostat.

3) Create an outdoor weather station that communicates with the base station.

4) Make the downstairs thermostat run off the 24VAC supplied for the HVAC control signals.

5) Add Z-wave or X10 window sensor to determine if windows are open.

6) Control the existing attic fan.

7) Integrate in the Goggle calendar API so the system can poll a calendar to determine a schedule.

8) Add to the web interface, plot the temperature and HVAC usage.

9) Find an API or code chunk to ping our mobile devices to determine if they are on home Wi-Fi to help determine when we are away.