4 ms·How does your heat pump do on cold days like today? Do you still use an AC in the summer?by beepboopboop 2y agoHow does your heat pump do on cold days like today? Do you still use an AC in the summer?sagarm 2y agoYou realize that heat pumps also cool, right? They're just ACs that can also work in reverse.dizhn 2y agoIt's really interesting. Around these parts you practically cannot buy an AC that is cooling only. All of them also heat.