IRT Surveys Ltd is a pioneering UK-based company that has surveyed over 15 million square meters of flat roofs, 5 million square meters of cladding, and 150,000 houses using thermography to identify energy inefficiencies. They surveyed 10,163 houses in 20 days, identifying potential savings of £760,965 per year and 4,895,982 kgs of reduced CO2 emissions annually. IRT provides commercial energy reports, infrared surveys, and advice to visualize building energy issues and quantify potential improvements.