Thermal Regulation 2012 (RT 2012)

Passed in 2012
The Regulation replaces the Thermal Regulations 2000 and 2005, introducing more stringent regulations of thermal insulation and heating systems.
 RT 2005 required 15% improvement of thermal efficiency (compared to a building constructed following the guidelines of RT2000) and applied to new buildings. It also created a labelling system to identify energy efficient buildings and introduces measures to discourage air-conditioned buildings in France. Calculations now include natural lighting and renewable energy sources. RT 2012 strengthens the existing requirements (and lays down the following main requirements:
  • Minimum energy efficiency requirement for the 'bioclimatic need' - 'Biomax' of the building (isolation, efficiency of heating and lighting systems)
  • Maximum average primary energy consumption of the building below 50 kWh/m²/year - 'Cmax'
  • Summer comfort requirement (maximum interior temperature for 5 consecutive summer days) to encourage bioclimatic architecture
 Additional requirements and guidelines are set for: the general building quality, living comfort, preference for renewable energies, good energy use of the building, potential for energy production beyond self-sufficient production.
 Overall, the RT 2012 aims at reducing the primary energy consumption in buildings by 150bn kWh between 2013 and 2020 and reducing the CO2 emissions by 13m-35m tonnes of CO2 (depending on the method) between 2013 and 2020.

from the Grantham Research Institute
from the Grantham Research Institute
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