document: Excess energy -LSB- cooling system -RSB- The designers retrofitting a comfort cooling system to offices in Hertfordshire have been able to make use of the waste heat rejected . what 's more they 're now making it a standard solution for much larger projects
doc_bio_tags: O O O O O O O O O O B I I 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 O O O O O
extractive_keyphrases: comfort cooling system waste heat
abstractive_keyphrases: nationwide trust air conditioning