Can any energy analysis software be used to produce a HERS rating? 
a) Yes, any energy analysis software can produce a HERS rating 
b) No, only software certified by the Residential Energy Services Network (RESNET) can produce a HERS rating 
c) It depends on the specific features of the software 
d) Only software approved by the U.S. Department of Energy (DOE) can produce a HERS rating