1. S. Darby, The effectiveness of feedback on energy consumption, A Review for DEFRA of the Literature on Metering, Billing and Direct Displays, vol. 22, Environmental Change Institute, University of Oxford, 2006.
2. Europeans Standard, EN 15603:2008, For Space Heating – Overall Energy Use and Definition of Energy Ratings.
3. Italian Standards, UNI 11300:2008 Part 1, Energy Performance of Buildings – Calculation of Energy Use for Space Heating and Cooling.
4. Italian Standard UNI EN 12831:2006, Heating System in Buildings – Method for Calculation of the Design Heat Load.
5. Italian Rule, Dlgs 192/2005 (modified by Dlgs.311/2006), Attuazione della direttiva 2002/91/CE relativa al rendimento energetico nell’edilizia (Adoption of Directive 2002/91/CE Energy Performance of Buildings).