Shelair
    ArticleApr 2026 4 min read

    Why Your Commercial Fridge Is Running Constantly

    Fridge running constantly? Learn what it means and how to fix it.

    Constant Operation Signals Inefficiency

    A commercial fridge that runs constantly is often assumed to be operating normally. In reality, continuous operation is usually a sign of inefficiency or system stress.

    Refrigerant issues are a common cause. Low refrigerant levels reduce cooling efficiency, forcing the system to run longer to maintain temperature.

    Dirty condensers and evaporators restrict heat exchange, increasing workload and run time.

    Door seals and insulation problems allow warm air to enter, requiring the system to work harder.

    High ambient temperatures, particularly in SE QLD, also increase system demand.

    Electrical and control issues can prevent proper cycling, leading to continuous operation.

    While the system may still be cooling, constant operation increases wear, energy consumption and the risk of failure.

    Addressing the underlying cause improves efficiency and extends equipment life.

    Shelair can diagnose inefficiencies and restore proper operation. Call 07 3204 9511.

    Need expert advice for your business?

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