Which of the following is an approved refrigerant for new household refrigerators, freezers, and combination refrigeration/freezers? (A) A) \( R-1234 y f \) (B) B) \( R-170 \) (C) \( C \) R-1234zd (D) D) \( R-600 a \)

Did you know that R-600a, also known as Isobutane, is not only eco-friendly but also incredibly efficient? It's becoming a favorite choice for many manufacturers because it operates with lower energy consumption compared to traditional refrigerants, ultimately giving your energy bill a break while being gentle on the environment! In real-world applications, households using R-600a can enjoy the benefits of quiet operation and better cooling performance. This refrigerant boasts zero ozone depletion potential and a very low global warming potential, making your fridge not just a food-preserving machine, but also a champion for sustainability!