Summary

2017 - Pi Zero + touch screen + $50 sensor, with 3D printed case
Made via BuzzFeed's open source fellows program - [1]
https://github.com/buzzfeed-openlab/thermografree
logan.williams@alum.mit.edu
Top choice - Thermografree - [2]. Logan Williams can help. 32x32 sensor - sufficient for decent thermal measurements of the Seed Eco-Home. This has 2 sensors, so it can overlay thermal images over standard images.*Hackaday - http://hackaday.com/tag/thermal-imaging-camera/. GNU-GPL License.- high resolution - 80x60 pixel. Cost of sensor is $180, so the overall product is on the expensive side.

BOM - $116

Pi Zero - $5 - [3]
Cam - $17 - [4]
Bat - $10 - [5]
Screen - $34 - [6]
IR sensor - $50 - [Heimann HTPA32x32dL3.6/0.9 (purchased through Boston Electronics)]