Nature & Environment
Energy in buildings
...architectural literature and the trade press, simply because the degree Celsius is more familiar. Technical literature can use a range of different presentations of the units of U-values: W m-2 K−1, W/m2 K, W m-2 °C−1 and W/m2 °C. These are all identical. Window U-values Table 2 gives some indicative U-values for different glazing options. Note that these are only...