If you use assistive technology (such as a screen reader) and need a
version of this document in a more accessible format, please email email@example.com.
Please tell us what format you need. It will help us if you say what assistive technology you use.
This guidance note was withdrawn on 4th August 2015. It has been superseded by changes to the Energy Technology List criteria in this category from that date. To view the criteria please see: https://www.gov.uk/government/publications/heat-pump-driven-air-curtains-criteria-for-etl-inclusion