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Contents 1 General provision 2 Terms 3 Calculation parameters for Energy efficiency 4 Building and building thermal design 5 Energy efficiency design of heating, Ventilation and air conditioning Appendix A Calculation method fir building external shading coefficients Appendix B Trade-off calculations of envelope thermal performance Appendix C Economical insulation thickness of indoor cold and hot water pipes for the building air conditioning system Explanation of wording in this standard |