Master thesis by Martina Marencokova and Lise Nygaard Jensen is an excellent work on survey of the situation and energy-renovation proposal in housing in Greenland.
The work gives a detailed overview of buildings from 1957-1963 and describes their current situation based on extensive measurements (blower door, thermography, indoor air quality measurements, etc) and also proposes a very advanced level of retrofitting including increasing of insulation and air tightness levels and installing of energy-efficient ventilation system.
Read the master thesis here (link).
Photo from www.ini.gl.