MACS 609 Certification / HVAC 210 Study Guide / EPA Section 609 / Score 100%
Master MACS 609 certification with this HVAC 210 study guide covering EPA Section 609 requirements for mobile A/C technicians. Learn Clean Air Act regulations, refrigerant handling for R-134a and HFO-1234yf, recovery procedures, leak detection standards, and required equipment. 25-question open-book...