| 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 |
GENERAL INQUIRIES
Bulgaria
Sofia
* denotes coverage is through the European Ecodesign Directive
Types of Standards
On selection, change the data
Passive design (Residential)
| Indicator | Mandatory Minimum Requirements |
|---|---|
| Maximum Solar Heat Gain Coefficient (SHGC) | .. |
| Roof U-value (W/m². K) | 0.25 |
| Floors U-value (W/m². K) | 0.25 |
| External walls U-value (W/m². K) | 0.35 |
| Doors U-value (W/m². 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 |