TY - Technical report AU - Zachary Taylor PY - 2018 T1 - Residential slab component calculations – technical brief PB - Pacific Northwest National Laboratory DO - https://doi.org/APO-218736 UR - https://apo.org.au/node/218736 AB - Modern residential building energy codes provide a component tradeoff mechanism by which builders can trade reductions in the efficiency of some building components in trade for corresponding improvement in other components. One common tradeoff approach is based on maintaining a building "UA value," which represents the building envelope's overall thermal conductance. The building UA is the sum of individual component UA values, each of which is calculated as the product of the component's U-factor and area. ER -