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dotCreds Certification Hub

EPA Section 609 MVAC Certification Hub

200 approved locked-bank questions and the matching study surfaces.

Locked study sections
Section 1

Section 609 law, certification, sales, and records

Section 2

Service practices, identification, and contamination prevention

Section 3

Recovery, recycling, reclamation, and approved equipment

Section 4

HFO-1234yf and alternative-refrigerant safety

Section 5

Environmental effects and refrigerant transition

Section 6

Section 608/609 scope boundary and exam purpose