In a ductless mini split, R-454B flows through the copper lines — as it travels, it boils off and turns into vapor, helping deliver the perfect temperature right where you need it! 💨❄️🔥 #DuctlessMiniSplit #R454B #HVACLife #CoolingTechnology #ExtremeComfort #EnergyEfficient #CopperLines | GreenFoot Energy Solutions
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