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A2L Refrigerants: Field Guide for HVAC Professionals: Flammability Safety, Code Compliance, Tool Requirements, Diagnostic Procedures, and Contractor Liability Protection for the 2025–2030 Phase-Down A2L Refrigerants: Field Guide for HVAC Professionals: Flammability Safety, Code Compliance, Tool Requirements, Diagnostic Procedures, and Contractor Liability Protection for the 2025–2030 Phase-Down by JD K. Lawson
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