%T Near-roof air temperatures: modelling the implications for HVAC performance and cool roofs %A Alan Green %A Laia Ledo Gomis %A Riccardo Paolini %A et al. %I Building Simulation Conference, 2-4 September 2019, Rome, Italy %D 2019 %K Roofs, %K Sustainable building design and construction, %K Air conditioning, %K Heating ventilation and air conditioning %U https://apo.org.au/node/236951 %X Conventionally in building performance simulations (BPS), it is assumed that air entering outdoor HVAC equipment is at the outdoor ‘ambient’ temperature, obtained from a weather file. However, significant spatial variations exist in outdoor air temperature fields, especially within the thermal boundary layers that form near exposed surfaces like roofs. %9 Conference paper