7363 GIM International – March 2010 – Home Energy Assessment Technologies It is estimated that a quarter of the heat generated in our houses is lost through roofs. Replacement of the entire roof is too costly for most homeowners, who would prefer to carry out focused repair work. For this they need to know exactly where the roof is leaking. An in-situthermal survey is expensive, and thus an unattractive option. Home Energy Assessment Technologies, or HEAT, represents software, hardware, data provision and web-portal service that enables free-of charge, automatic assessment of domestic waste-heat footprints by simply clicking on their house in Google Maps. The authors present the results of a pilot project in Calgary, Alberta, Canada. GeoInformatics – January/February 2010 – ENVI EX: Where GIS meets Remote Sensing GEOINT Newsletter – March 2010 – The Integration of ENVI as the 0261 Raster Manipulation Software continues