HVAC - Refrigerant
HEALTH EFFECT SUMMARY
Ozone-depleting chemical that increases the risk of skin cancer and weakens immune systems.
R-22, R-123, R-134a, R-245fa, R-407c, and R-410a refrigerants
Currently banned in the U.S., but still found in old equipment.
Living Building Challenge (1.2) - Prerequisite 5;
LEED - NC: Credits EA 4;
Green Guide for Health Care - EA Prerequisite 3: Optimized Energy Performance;
Green Guide for Health Care - EA 4: Enhanced Refrigerant Management;
Green Guide for Health Care - EE Prerequisite 3: Ozone Protection;
Green Guide for Health Care - CM 1.1: Community Contaminant Prevention: Airborne releases;
Living Building Challenge 1.3 – Prerequisite 5: Materials Red List;
Living Building Challenge 2.0 - Red List;
LEED v3 ID+C EA Prerequisite 3: Fundamental Refrigerant Management;
LEED v3 BD+C EA Prerequisite 3: Fundamental Refrigerant Management;
LEED v3 BD+C EA Credit 4: Enhanced Refrigerant Management
Ozone Depleting Gases
In 1928, engineer Thomas Midgley developed Chlorofluorocarbons (CFC) as a replacement for toxic refrigrants of the time.