Master HVAC electrical fundamentals in 2026: systems, components, diagrams, safety, and troubleshooting for homeowners and techs. Start diagnosing now.
Earning an EPA 608 certification is essential for anyone pursuing a career in HVAC. It’s a legal requirement for handling refrigerants in air conditioning and refrigeration systems. Having this certification improves your chances of landing a high-paying job in HVAC and positions you as a professional who can safely manage environmentally regulated substances.