U.S. production of CFCs stopped in 1996, although there was no hard cutoff date for manufacture or installation of CFC-based equipment. So if your building was built in the late 1990s or later, your HVAC systems are less likely to contain CFCs and you are

The credit forms for EAp3 and EAc5 are linked. If you are pursuing EAc5, make sure that the credit form version is the same as EAp3. If the credit forms for EAp3 and EAc5 are different versions (which would potentially happen if you attempted the EAc5 in LEED Online at a later date that when you had attempted EAp3) the form for EAc5 will not auto-populate, and you will not be able to complete the credit form. The best thing to do is to request updated forms from GBCI before submitting your application.