Which HVAC Refriqerants Are the Greenest?

摘要

There is not yet a clear replacement for hydrofluorocarbons (HFCs), which can contribute to global warming, according to a multi-year study recently completed by the National Institute of Standards and Technology (NIST). However, the research yielded valuable data that will help consumers determine what kinds of tradeoffs they should make when it comes to greener refrigerant replacements.