You can put a heat pump under a tree as long as the tree is more than 2-3 meters above the heat pump.
This is so that the air coming out of the heat pump (on vertical fan models) does not hit the leaves of the tree and then recirculate back into the heat pump. This would cause reduced efficiency.
While the heat pump is operating, the fan will prevent leaves from entering the heat pump.
In the winter, we recommend that you cover the heat pump using one of our specially designed winter covers.
This will prevent leaves from entering the heat pump in Autumn.