| Category | Building Facility Standards Regulations | Healthy Housing Construction Standards | Green Building Certification Standards |
|---|---|---|---|
| Legal Basis | Building Act Enforcement Rules Ministry of Land, Infrastructure, and Transport Order No. 17 | Building Act Enforcement Rules [Building Act Enforcement Rules, Ministry of Land, Infrastructure, and Transport Notice No. 2020-368] | Building Act Enforcement Rules [Building Act Enforcement Rules, Ministry of Land, Infrastructure, and Transport Order No. 318] |
| Target | Residential complexes (30+ units) Public facilities (including mixed-use buildings & remodeling projects) | Housing projects with 500+ units under Housing Act New construction & remodeling projects | Residential complexes, office buildings Public buildings with a total floor area of 3,000㎡ or more |
| Enforcement Date | October 10, 2020 | April 30, 2020 | September 1, 2016 |
| Key Standards | - Ventilation system installation requirements for residential complexes - Required ventilation rates for public facilities - Natural or mechanical ventilation systems with at least 0.5 air changes per hour - 3-speed airflow control (high/medium/low) - Filter efficiency (≥80% weight-based method) | - Implementation of housing performance grading system - Bypass function & preheater installation - High-efficiency outdoor air filter (≥90% using colorimetric or light scattering method) - Certified professional TAB (Testing, Adjusting, Balancing) company required | - Ventilation system standards for green building certification - Heat exchanger evaluation method - High-efficiency outdoor air filter with ≥90% particle removal efficiency - Compliance with high-efficiency equipment certification standards for heat recovery efficiency |