NB/T 11239-2023
Technical specifications for diversion heat collectors for low ambient temperature air source heat pumps (English Version)

Standard No.

NB/T 11239-2023

Language

Chinese, Available in English version

Release Date

2023

Published By

Professional Standard - Energy

Latest

NB/T 11239-2023

NB/T 11239-2023 history

• 2023 NB/T 11239-2023 Technical specifications for diversion heat collectors for low ambient temperature air source heat pumps