As the HVAC industry transitions away from R410A, installers are seeing increased use of R32 and R454B. Understanding how these refrigerants differ helps contractors plan equipment choices, installations, and future service work.

R410A has been widely used for years, but environmental regulations are driving the shift toward lower global warming potential refrigerants. R32 and R454B both fall under the A2L classification and are designed to meet modern efficiency and environmental standards.

For installers, the biggest change is awareness. These refrigerants require proper handling and adherence to updated manufacturer and code requirements, but they are designed to be safe and practical in real-world installations.

Lion HVAC supports contractors by stocking compliant systems and helping installers understand how these refrigerants fit into today's HVAC landscape.