References

Our investigations were largely based on information and reports from accredited organizations and companies, which are listed below:

  • British Geological Survey (BGS)
  • Building Research Establishment (BRE)
  • Chartered Institution of Building Services Engineers (CIBSE)
  • Digest of UK Energy Statistics (DUKES)
  • Energy Matters
  • Energy Saving Trust
  • ENERGY STAR - U.S. Environmental Protection Agency (EPA)
  • Energy Systems Research Unit (ESRU) - University of Strathclyde
  • National Renewable Energy Laboratory (NREL) - U.S. Department of Energy
  • Office of Gas and Electricity Markets (Ofgem)
  • Passive House Institute (PHI)
  • Suntech Power
  • Stiebel Eltron