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How Often Should a Heat Pump Run?

Published in Heat Pump Operation 2 mins read

A heat pump should typically run two or three cycles per hour at most.

Understanding the normal operational pattern of your heat pump is key to ensuring it's functioning efficiently. Based on standard performance expectations, a typical cycle involves the pump running for a period and then shutting down.

Normal Heat Pump Operation Frequency

According to reference information, a healthy heat pump usually follows this pattern:

  • Cycle Duration: A normal cycle typically lasts between 10 to 20 minutes.
  • Cycles Per Hour: Your heat pump should run two or three cycles per hour at most.

This cyclical behavior indicates that the system is maintaining the desired temperature effectively without constant operation.

What is a Cycle?

A 'cycle' refers to the period when the heat pump is actively running to heat or cool your home, followed by a period of being idle once the thermostat's target temperature is reached.

When Might a Heat Pump Run Constantly?

While constant operation is generally not the norm for a heat pump, there is a specific exception noted:

  • Below Freezing Temperatures: If the weather conditions are below freezing for long periods, your heat pump will run consistently to maintain the set temperature. This continuous operation under sustained cold is expected behavior for many heat pump models to prevent pipes from freezing and ensure consistent indoor comfort.
Condition Normal Operation Exception Condition
Typical Weather Cycles (2-3 per hour) -
Below Freezing (Long) - Runs Constantly
Cycle Duration 10-20 minutes (when cycling) Varies (continuous run time)

In summary, during average conditions, expect your heat pump to cycle on and off a few times per hour. However, don't be alarmed if it runs continuously during prolonged periods of freezing temperatures.

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