Division (g)
United Kingdom
The annual energy consumption QHE in kWh in terms of final energy and/or GJ in terms of GCV shall be calculated as the ratio of the reference annual heating demand QH and the seasonal space heating energy efficiency ηs .
United Kingdom
The annual energy consumption QHE in kWh in terms of final energy and/or GJ in terms of GCV shall be calculated as the ratio of the reference annual heating demand QH and the seasonal space heating energy efficiency ηs .