Lennox Learning Solutions teaches you what causes high head pressure on a heat pump in the heating mode.

There is several factors that can cause hight pressure on heat pump on heating mode. One thing to considerate at first is the weather, it is important to make sure by using the temperature chart that the pressure is on a normal range regarding exterior temperature. A cause can also be a low airflow in the indoor unit. Check out out tutorial to understand heat pump system and easily identify the issue to achieve your AC repair.

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