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Bulgaria

Sofia

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Data Table with caption

Building Energy Code (BEC) currently in-force Energy Efficiency Act
Date of BEC publication 2005
BEC Jurisdiction National
Climate zone classification Mixed, Humid
Income Group Upper middle income
Type of BEC Combination (Prescriptive/Performance-Based )
BEC Coverage Passive design; Space Heating*; Space Cooling*; Water Heating; Lighting
* denotes coverage is through the European Ecodesign Directive

Indicator Mandatory Minimum Requirements
Maximum Solar Heat Gain Coefficient (SHGC) ..
Roof U-value (W/m?. K) 0.25
Floors U-value (W/m?. K) 0.25
External walls U-value (W/m?. K) 0.35
Doors U-value (W/m?. K) 2.5
Air leakage prevention ..
Enforcement Mechanisms Checklist of Passive Design; Thermal Transmittance or Insulation Calculations for Building Envelope; Solar Heat Gains Calculations for Building Envelope; Glazing Factors for Fenestration