Most heat pumps also can run inside a cooling mode wherever the chilly refrigerant is moved through the indoor coils to chill the place air. By Urgent submit, I consent that my data be shared with Trane authorized affiliates and 3rd party associates, like connecting me with a local Trane https://purethermal.co.uk/media-news/q4-launch-lithium-large-capacity-r290-ashp-from-pure-thermal-and-enerblue/