环保性能卓越R454A的全球变暖潜能值（GWP）仅为238（AR5标准），相比R404A（GWP 3943）降低约95%，且臭氧消耗潜值（ODP）为0。这一特性使其完全符合欧盟F-Gas法规等国际环保要求，成为应对气候变化的关键选择。 能效显著提升 制冷效率：实验数据显示，R454A的制冷 ...

而当前R22的首要代替工质包含HFCS类工质和天然工质。尽管关于HFCS类工质的研讨已比拟老练，由HFCS类工质组成的非共沸混合物理论上可利用各组分沸点不一样完成劳伦兹循环，进步制冷循环功率，但HFCS类工质依然存在必定的GWP值（全球变暖潜能值），与R22运用的 ...

2025 年第一季度 制冷剂 呈现价格上涨、供需两旺的走势。截至3月30日，R32市场均价为47000元/吨，较去年同期上涨67.86%； R22 ...

An international agreement to phase out hydrofluorocarbons (HFCs) with high global warming potential (GWP) ironically poses some complications for Canadian building owners contemplating the ...

LOUISVILLE, Ky. (WAVE) - Temperatures won’t drop as much overnight as clouds stick around through Wednesday morning. Lows will be in the 40s as you wake up, with a small shower chance by then as a ...

Under Washington law, your business will need to participate in the program if you own, operate, or service refrigeration or air conditioning systems that use at least 50 pounds of a refrigerant that ...

But, previous refrigerants, used so effectively to cool and heat our interior spaces, have a higher global warming potential (GWP) than R-32. 1 Conditioning indoor air takes energy. Inefficient ...

A pipeline company’s lawsuit against the environmental group could chill free speech, experts said. First Amendment issues are likely to figure prominently in an appeal. By Karen Zraick He ...

Mar. 28, 2025 — Why do some plants thrive in specific regions but not in others? A study explores the factors shaping plant distributions and how these patterns have changed over millions of ...