HFO-1234yf offers the best combination of energy efficiency, safety and ease of customer conversion. It offers a GWP of less than 1, which is 99.9 percent lower than the previous refrigerant, HFC-134a, and is even less than CO2, an alternative refrigerant with a GWP of 1. HFO-1234yf offers atmospheric lifetime and fuel efficiency benefits as well:
Comparison of Greenhouse Impact: HFO-1234yf vs. HFC-134a vs. CO2
Review our factsheet to see how the three refrigerants compare in their chemical, environmental, and safety profiles.