Glasgow, Scotland, UKРReferences E-mail address: paul@esru.strath.ac.ukРР[1] Hitchen R. Editorial. Building and Environment 1993;28(2):105–6.Р[2] Bloomfield D. BRE house empirical validation study. Report P.H. BakerР v2-bre18a, BRE, Watford, UK, 1999. Centre for Research on Indoor Climate & Health, GlasgowР[3] Swinton MC, Moussa H Marchand RG. Commissioning twin houses Caledonian University, Glasgow, Scotland, UKР for assessing the performance of energy conserving technologies.