With winter in full swing, it’s time to think about how to keep your heat pump running smoothly. Winter can be a tough time for the system and make it difficult to keep you warm and comfortable at home. The cold and the snow can wreak havoc on your system. So, your heat pump seems to be struggling during the winter months. What’s going on? Why is it having so much trouble now, when it seemed to work just fine during the summer? It might sound counter-intuitive, but this is all because of something that happens as a result of cold temperatures: Ice.