It’s warm outside now, but many building owners wait until winter to tackle HVAC replacements. If that’s your plan, here’s something you should know: the refrigerant in your future system may be flammable.

Why the change?

The HVAC industry is transitioning to low-GWP (global warming potential) refrigerants to meet environmental regulations. Many of these newer options, such as R-32 and R-454B, fall into the A2L category, meaning they are mildly flammable.

What this means for your project:

  • Safety Protocols: Installation crews must follow specific handling and ventilation practices.
  • Code Compliance: Building codes now include provisions for A2L refrigerants, which can affect equipment selection, placement and routing of refrigerant piping for split systems.
  • Training & Certification: Your contractor must be trained to work with flammable refrigerants.

Bottom line: If you’re planning an HVAC renovation or replacement, factor in these refrigerant changes early. Doing so ensures your project meets safety requirements, passes inspection, and avoids costly delays.