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Evaporator defrosting: A key air-to-water heat pump function
Latest news Master Therm CZ 16.12. 2025
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Evaporator defrosting: A key air-to-water heat pump function

Your air-to-water heat pump stops heating for a moment and you see steam coming from the outdoor unit… Don’t worry — this is not a malfunction, but a normal defrosting cycle. In this article, we explain why this process is essential for reliable winter operation and how modern Master Therm control systems manage it efficiently.

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