Under normal operating conditions and moderate weather, a properly functioning residential heat pump should cycle on and off approximately two to three times per hour, with each heating or cooling cycle lasting between fifteen and thirty minutes. Unlike traditional fossil fuel furnaces that produce intense bursts of hot air in very short cycles, heat pumps are designed for energy efficiency, utilizing long, steady runtimes to maintain stable indoor temperatures without placing excessive mechanical wear on the compressor motor. During extreme weather events, such as a severe summer heat wave or a freezing winter freeze, it is completely normal for a heat pump to run almost continuously. If your heat pump is cycling on and off rapidly every few minutes—a condition known as short cycling—it indicates a serious operational problem such as a clogged air filter, restricted airflow, or a safety limit switch trip. You can verify normal cycling by tracking runtimes.
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