Warm weather heatpump test

[Philip Pugh]

We all know that you can test a heatpump in the cooling mode if our temp is 65 degrees or higher for the last 12 or so hours. When our temperature is around 72 degrees plus is it protocal or even wise to also run the unit in the heat mode ?

[Scottpat]

In the heat mode (not the emergency heat mode) the pressure will build up in the system if it is warm outside. So yes you can damage a HP in warm weather. Some will not even cut on if they have an outside temperature sensor and it is too warm outside.

[Paul MacLean]

I only run heat pumps on one mode (heating or cooling) depending on the season and outdoor temperature. But I always test the emergency heat feature regardless of the outside temperature.

[Konrad]

By no means am I a heat pump expert, but shouldn't every heat pump have a high head-pressure over-ride shut off, to prevent damage as described above?

We don't have a lot of them here, I wish I were more versed with heat pump theory. [:-indifferent]