| UAT | = | UWAW + UBGWABGW + UVGAVG + UOGAOG + UFAF + URCARC + UCCACC + UDAD + FSPS | ||
| Where: | ||||
| UAT | = | the target combined thermal transmittance of the gross exterior wall, floor and roof/ceiling assembly area. | ||
| UW | = | the thermal transmittance value of the opaque above grade wall area found in Table 5-1. | ||
| AW | = | opaque above grade wall area. | ||
| UBGW | = | the thermal transmittance value of the below grade opaque wall area found in Table 5-1. | ||
| ABGW | = | opaque below grade wall area. | ||
| UVG | = | the thermal transmittance value of the vertical glazing area found in Table 5-1. | ||
| AVG | = | 15% of the total floor area of the conditioned space minus AOG. | ||
| UOG | = | the thermal transmittance value of the overhead glazing area found in Table 5-1 (see Table 5-1 footnote 2). | ||
| AOG | = | overhead glazing area (if the proposed AOG exceeds 15 percent, the target AOG shall be 15 percent of the total floor area of the conditioned space). | ||
| UF | = | the thermal transmittance value of the floor area found in Table 5-1. | ||
| AF | = | floor area over unconditioned space. | ||
| URC | = | the thermal transmittance value of the roof/ceiling area found in Table 5-1. | ||
| ARC | = | roof/ceiling area. | ||
| UCC | = | the thermal transmittance value of the cathedral ceiling area found in Table 5-1. | ||
| ACC | = | cathedral ceiling area. | ||
| UD | = | the thermal transmittance value of the opaque door area found in Table 5-1. | ||
| AD | = | opaque door area. | ||
| FS | = | concrete slab component F-factor found in Table 5-1. | ||
| PS | = | lineal ft. of concrete slab perimeter. | ||