document: Cool and green -LSB- air conditioning -RSB- In these days of global warming , air conditioning engineers need to specify not just for the needs of the occupants , but also to maximise energy efficiency . Julian Brunnock outlines the key areas to consider for energy efficient air conditioning systems
doc_bio_tags: O O O O B I O O O O O O O O B I O O O O O O O O O O O O O O O O O B I O O O O O O O O O O O O B I O
extractive_keyphrases: air conditioning energy efficiency