| Standard ID | NB/T 11504-2024 (NB/T11504-2024) |
| Description (Translated English) | (Commercial variable frequency air source heat pump heating unit) |
| Sector / Industry | Energy Industry Standard (Recommended) |
| Classification of Chinese Standard | P46 |
| Classification of International Standard | 27.080 |
| Date of Issue | 2024-05-24 |
| Date of Implementation | 2024-11-24 |
| Issuing agency(ies) | National Energy Administration |