Hobo data loggers were calibrated and provided by Tempcon Instrumentation Ltd as part of a research programme aimed at identifying where energy efficiency initiatives should be targeted. This information is key for the accurate prediction of CO2 savings so that Government can ensure that targets are met.

Data were collected during a large-scale city-wide housing survey carried out in Leicester, UK in 2009-2010. The Living in Leicester (LIL) Survey was designed by the 4M project - Measurement, Modelling, Mapping and Management (4M): An Evidence-Based Methodology for Understanding and Shrinking the Urban Carbon Footprint – a collaboration between four Universities funded through the Engineering and Physical Sciences Research Council (ESPRC). 4M is studying CO2 emission sources and sinks in urban areas and has collected data from households within Leicester including indoor air temperatures in domestic buildings. Households were randomly selected.

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