Does anyone know how to perform an area-weighted U-value calculation?
I have seen the equation in ADL1B but it doesn't make much sense to me!
Do i work out the total area of walls and the total area of windows....and then what??
I have seen the equation in ADL1B but it doesn't make much sense to me!
Do i work out the total area of walls and the total area of windows....and then what??