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Réglementation Thermique 2000 2000 “Thermal Regulation”

Réglementation Thermique 2000 2000 “Thermal Regulation”. The New French RT 2000. Introduction. June2, 2001 -20% to - 40%, with summer comfort Performance-based approach Three requirements Energy consumption < Reference Summer temperature Minimal performance of some components. Challenges.

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Réglementation Thermique 2000 2000 “Thermal Regulation”

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  1. Réglementation Thermique 20002000 “Thermal Regulation” The New French RT 2000 BOURDEAU Luc (CSTB)

  2. Introduction • June2, 2001 • -20% to - 40%, with summer comfort • Performance-based approach • Three requirements • Energy consumption < Reference • Summer temperature • Minimal performance of some components BOURDEAU Luc (CSTB)

  3. Challenges • Environmental • 1/4 of gas emissions • More and more severe every 5 years • To optimise products for retrofitting • Social: cost mastering • Economics : European standards BOURDEAU Luc (CSTB)

  4. Tools • Calculation softwares: ThC, ThE • “free” softwares • air conditioning: models to come by 2 years • Technical solutions BOURDEAU Luc (CSTB)

  5. Expected Changes • Flexibility and optimistaion, but “garde-fous” such as minimum insulation • Tertiary: tremoundous evolutions of technical solutions • Thermal bridges: technical solutions to be proposed • Air tightness: objective: strict application of execution rules BOURDEAU Luc (CSTB)

  6. Expected Changes • Low emissivity glazings … argon • Energy sources flexibility: flue tubes in electric houses • Roof and wall higher insulation • Hygro-variable ventilation in electric houses • No “permanent flame” in gas boilers • Lower thermal bridges in collective buildings BOURDEAU Luc (CSTB)

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