Paragraph 1 F1

Where sub-paragraph (2) applies it will be considered cost effective for the purposes of regulations 4(6) and 6(4) for the heat supplier to install meters in a building in accordance with regulations 4(3) to (4) and 6(2).

This sub-paragraph applies where the net present value of projected energy savings to all the final customers in the building supplied with heatingF2, cooling or hot water by the heat supplier, over the 10 year period subsequent to installation, is greater than the net present value of the estimated reasonable costs of installing the meters in that building.