October, 2024 | Callidus Engineering Skip to content
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  • ndustrial HVAC system with cooling fans and pipes for HVAC refrigerants used in temperature control.

    Navigating the Big Change in HVAC Refrigerants: What It Means for You

    By The Callidus Engineering Mechanical Team As of January 1, 2025, the HVAC industry is entering a new phase, with the widely-used R410A & other high global warming potential (GWP) […]

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