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Technician: "This old air conditioner unit uses an HFC refrigerant. We might need to convert it to a newer, more eco-friendly type soon."

Environmentalist: "HFCs, while better than CFCs, are still potent greenhouse gases contributing to climate change."

Product label: "Propellant: HFC-134a. For use in systems designed for this refrigerant."

Safety briefing: "In case of fire, the system will deploy an HFC-based extinguishing agent."

ISP representative: "Our high-speed internet service is delivered over an HFC network, offering excellent bandwidth."

Homeowner: "I'm looking to upgrade my internet; I heard HFC provides more stable connections than DSL."

Tech article: "The transition to an HFC architecture allows for greater data throughput and lower latency."

Installer: "We're running the new HFC cable to your house to boost your internet speeds."