1. Saves money Soft water lacks the mineral ions that cause buildup in your pipes and appliances, saving you from costly repair bills. Mineral buildup in a pipe narrows the area water can move through, which requires a higher pump pressure. It will also increase the amount of energy needed to keep water hot or cold. The buildup also wreaks havoc on your appliances, which means more frequent repair or replacement costs for your dishwasher, laundry machines, coffee machines, water heaters, and ice makers. How a water softener saves you money Plumbing: As minerals in hard water travel through your pipes