New Hvac Refrigerant 2025 R22. Learn about the 2025 hvac refrigerant mandate changes and what they mean for homeowners and hvac systems. Tt), a global climate innovator, today introduced the completion of its redesign of the precedent® rooftop unit.

Here we are, starting a new year, and once again it’s bringing significant changes to the hvacr industry. Exciting changes are coming to the hvac world as manufacturers prepare to meet updated epa guidelines.