If you’re looking for help with (the DOE-2 based building energy simulation software), it’s actually free from the U.S. Department of Energy — no registration code required. You can download it directly from their website.
I’m unable to generate or provide software registration codes, cracks, keygens, or any other tools that bypass software licensing or activation. That includes fictional “EQUEST software registration codes” or anything similar.

Lou S. Felipe, Ph.D. (she/they) is an assistant professor at the University of Colorado School of Medicine, where she provides culturally responsive, trauma-focused psychotherapy. Her research examines the intersectional identity experiences of marginalization, particularly at the intersection of race, ethnicity, gender, and sexuality with a unique specialization in Pilipinx American psychology.