Lennox announces the rollout of low GWP HVAC products, emphasizing sustainability, flexibility, and superior performance. RICHARDSON, Texas, May 9, 2024 /PRNewswire/ -- Lennox (NYSE: LII), a leading provider of innovative climate solutions, announced the rollout of low global warming potential (GWP) light commercial and ducted residential HVAC products to meet the 2025 low GWP Refrigerant regulations. The transition to low GWP refrigerants represents a positive step for the environment, as it significantly ...